From b7a46c9431e065c5712379396fb46f30854efcb2 Mon Sep 17 00:00:00 2001
From: Nivedita-R <rainivedita511@gmail.com>
Date: Thu, 29 Sep 2022 18:24:19 +0530
Subject: [PATCH 1/5] Create Hello.txt

Create Hello.txt
---
 .../Getting Started/Hello.txt                                    | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Getting Started/Hello.txt

diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Getting Started/Hello.txt b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Getting Started/Hello.txt
new file mode 100644
index 00000000..46b8938e
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Getting Started/Hello.txt	
@@ -0,0 +1 @@
+Nivedita Rai

From 01fce850727e58436e6a47d7f144d7c895745b46 Mon Sep 17 00:00:00 2001
From: Nivedita-R <rainivedita511@gmail.com>
Date: Tue, 4 Oct 2022 00:07:16 +0530
Subject: [PATCH 2/5] module1

my first module of programs
---
 .../Getting Started/Hello.txt                 |  1 -
 .../GettingStarted/CountDigitsInANumber.cpp   | 18 +++++++++++
 .../GettingStarted/GradingSystem.cpp          | 22 +++++++++++++
 .../GettingStarted/IsANumberPrime.cpp         | 31 +++++++++++++++++++
 .../GettingStarted/PrintAllPrimesTillN.cpp    | 19 ++++++++++++
 .../PrintFibonacciNumbersTillN.cpp            | 19 ++++++++++++
 .../GettingStarted/PrintZ.cpp                 | 29 +++++++++++++++++
 7 files changed, 138 insertions(+), 1 deletion(-)
 delete mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Getting Started/Hello.txt
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/CountDigitsInANumber.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/GradingSystem.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/IsANumberPrime.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintAllPrimesTillN.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintFibonacciNumbersTillN.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintZ.cpp

diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Getting Started/Hello.txt b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Getting Started/Hello.txt
deleted file mode 100644
index 46b8938e..00000000
--- a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Getting Started/Hello.txt	
+++ /dev/null
@@ -1 +0,0 @@
-Nivedita Rai
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/CountDigitsInANumber.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/CountDigitsInANumber.cpp
new file mode 100644
index 00000000..515488bd
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/CountDigitsInANumber.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include<cmath>
+using namespace std;
+
+int main(){
+    int n;
+    cin >> n;
+    if(n>=1 && n<=pow(10.0,9.0)){
+    int d=0;
+    while(n!=0)
+    {
+        n=n/10;
+        d++;
+    }
+    cout<<d;
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/GradingSystem.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/GradingSystem.cpp
new file mode 100644
index 00000000..436636ca
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/GradingSystem.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int a;
+    cin>>a;
+    if(a>90)
+    cout<<"excellent"<<endl;
+    else if(a<=90 && a>80)
+    cout<<"good"<<endl;
+    else if(a>70 && a<=80)
+    cout<<"fair"<<endl;
+    else if(a>60 && a<=70)
+    cout<<"meets expectations"<<endl;
+    else
+    cout<<"below par"<<endl;
+    
+
+    return 0;
+}
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/IsANumberPrime.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/IsANumberPrime.cpp
new file mode 100644
index 00000000..9819e063
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/IsANumberPrime.cpp
@@ -0,0 +1,31 @@
+#include <iostream>
+#include<cmath>
+using namespace std;
+int main(){
+    int t,i,j,n,c;
+    cin >> t;
+    if(t>=1 && t<=10000)
+    {
+        for (i=0;i<t;i++)
+    {
+        c=0;
+        cin>>n;
+        if(n>=2 && n<=pow(10,9))
+        {
+    
+        for(j=1;j<=n;j++)
+        {
+            if(n%j==0)
+            c++;
+            
+        }
+        if(c==2)
+        cout<<"prime"<<endl;
+        else
+        cout<<"not prime"<<endl;
+        }
+    }
+
+    } 
+    
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintAllPrimesTillN.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintAllPrimesTillN.cpp
new file mode 100644
index 00000000..33d56ece
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintAllPrimesTillN.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+#include<cmath>
+using namespace std;
+int main(int argc, char **argv){
+    int low, high,  i,j,c=0;
+    cin >> low >> high;
+    for(i=low;i<=high;i++)
+    {c=0;
+        for(j=2;j<=sqrt(i);j++)
+        {
+            if(i%j==0)
+            c++;
+        }
+        if(c==0)
+        cout<<i<<endl;
+    }
+return 0;
+
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintFibonacciNumbersTillN.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintFibonacciNumbersTillN.cpp
new file mode 100644
index 00000000..94e6ad1c
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintFibonacciNumbersTillN.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv)
+{
+    int n,c;
+    cin >> n;
+    int a=0,b=1;
+    cout<<a<<endl<<b<<endl;
+    for(int i=0;i<n-2;i++)
+    {
+        c=a+b;
+        cout<<c<<endl;
+        a=b;
+        b=c;
+    }
+    
+    
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintZ.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintZ.cpp
new file mode 100644
index 00000000..cb3fff63
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/PrintZ.cpp
@@ -0,0 +1,29 @@
+
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+   int i,j,k;
+   for(i=0;i<5;i++)
+   {
+       for(j=4;j>=0;j--)
+       {
+           if(i==0 || i==4)
+           cout<<"*";
+           else
+           {
+               if(i==j)
+              cout<<"*";
+               else 
+               cout<<" ";
+           }
+          
+       }
+         cout<<endl;
+   }
+
+    return 0;
+}
+

From c2ad0e8a35b020d1b9b595aa6fd33c3e478bac53 Mon Sep 17 00:00:00 2001
From: Nivedita-R <rainivedita511@gmail.com>
Date: Thu, 13 Oct 2022 00:29:55 +0530
Subject: [PATCH 3/5] more from getting started

some ques from getting started
---
 .../GettingStarted/DigitsOfANumber.cpp        | 25 +++++++++++++
 .../GettingStarted/GcdAndLcm.cpp              | 22 ++++++++++++
 .../GettingStarted/InverseOfANumber.cpp       | 35 +++++++++++++++++++
 .../GettingStarted/ReverseANumber.cpp         | 18 ++++++++++
 4 files changed, 100 insertions(+)
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/DigitsOfANumber.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/GcdAndLcm.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/InverseOfANumber.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/ReverseANumber.cpp

diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/DigitsOfANumber.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/DigitsOfANumber.cpp
new file mode 100644
index 00000000..358f74fd
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/DigitsOfANumber.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include<cmath>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n,c=0;
+    cin >> n;
+    int m,i,j;
+    m=n;
+    while(n != 0)
+    {
+        c++;
+        n = n / 10;
+    }
+    c = c - 1;
+    i = pow (10.0,c);
+    while(i!=0)
+    {
+        cout << m/i << endl;
+        m = m % i;
+        i = i / 10;
+        
+    }
+    
+}
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/GcdAndLcm.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/GcdAndLcm.cpp
new file mode 100644
index 00000000..3e101fb5
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/GcdAndLcm.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    int n1, n2, i;
+    int gcd = 1, lcm = 1;  
+
+
+    cin >> n1 >> n2;
+    for ( i = 1; i < 1000; i++)
+    {   if ((n1 % i == 0) && (n2 % i == 0))
+        {
+            gcd = i; 
+        }
+    }
+
+    lcm = (n1 * n2) / gcd;
+    cout << gcd << endl << lcm <<endl;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/InverseOfANumber.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/InverseOfANumber.cpp
new file mode 100644
index 00000000..66117204
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/InverseOfANumber.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+#include <math.h>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+  int d = 0 , lo,m,i,j,t,k=0;
+  int *arr,*arr2;
+  m = n;
+  while(m != 0)
+  {
+   d++;
+   m = m/10;
+   }
+   arr = (int*)malloc(d*sizeof(int));
+    arr2 = (int*)malloc(d*sizeof(int));
+   m = n;
+    while(m!=0)
+    {
+        arr[k] = m % 10;
+        m = m / 10; 
+        k++;
+    }
+    
+    for(j=0;j<d;j++)
+    {
+      int l = arr[j];
+      arr2[l-1] = j+1;
+    }
+   
+    for(j=d-1;j>=0;j--)
+    cout << arr2[j] ;
+    
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/ReverseANumber.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/ReverseANumber.cpp
new file mode 100644
index 00000000..91ad62df
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/GettingStarted/ReverseANumber.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include<cmath>
+using namespace std;
+
+int main(){
+    int n;
+    cin >> n;
+    
+    int d;
+    while(n != 0)
+    {
+        d = n % 10;
+        cout << d << endl;
+        n = n / 10;
+    }
+  return 0;  
+    
+}
\ No newline at end of file

From 946325f05b9b8cbe77a2623cbf96c40713f5ec9d Mon Sep 17 00:00:00 2001
From: Nivedita-R <rainivedita511@gmail.com>
Date: Sat, 15 Oct 2022 03:33:21 +0530
Subject: [PATCH 4/5] Module Patterns

completed module patterns.
---
 .../Patterns/Pattern1.cpp                     | 22 +++++++
 .../Patterns/Pattern10.cpp                    | 42 ++++++++++++
 .../Patterns/Pattern11.cpp                    | 16 +++++
 .../Patterns/Pattern12.cpp                    | 27 ++++++++
 .../Patterns/Pattern13.cpp                    | 22 +++++++
 .../Patterns/Pattern14.cpp                    | 12 ++++
 .../Patterns/Pattern15.cpp                    | 39 +++++++++++
 .../Patterns/Pattern16.cpp                    | 41 ++++++++++++
 .../Patterns/Pattern17.cpp                    | 36 +++++++++++
 .../Patterns/Pattern18.cpp                    | 36 +++++++++++
 .../Patterns/Pattern19.cpp                    | 64 +++++++++++++++++++
 .../Patterns/Pattern2.cpp                     | 22 +++++++
 .../Patterns/Pattern20.cpp                    | 27 ++++++++
 .../Patterns/Pattern3.cpp                     | 24 +++++++
 .../Patterns/Pattern4.cpp                     | 24 +++++++
 .../Patterns/Pattern5.cpp                     | 31 +++++++++
 .../Patterns/Pattern6.cpp                     | 35 ++++++++++
 .../Patterns/Pattern7.cpp                     | 22 +++++++
 .../Patterns/Pattern8.cpp                     | 22 +++++++
 .../Patterns/Pattern9.cpp                     | 23 +++++++
 20 files changed, 587 insertions(+)
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern1.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern10.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern11.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern12.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern13.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern14.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern15.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern16.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern17.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern18.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern19.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern2.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern20.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern3.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern4.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern5.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern6.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern7.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern8.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern9.cpp

diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern1.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern1.cpp
new file mode 100644
index 00000000..e674dac1
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern1.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+for(i=0;i<n;i++)
+{
+    for(j=0;j<n;j++)
+    {
+        if(j<=i)
+        {
+            cout<<"*\t";
+        }
+        
+
+    }
+    cout << endl;
+}
+   
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern10.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern10.cpp
new file mode 100644
index 00000000..9f87e732
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern10.cpp
@@ -0,0 +1,42 @@
+#include <iostream>
+using namespace std;
+int main(int argc, char** argv){
+    int n;
+    cin >> n;
+    int s1 = n / 2;     
+    int s2 = -1;        
+
+    for (int i = 1; i <= n; i++)
+    {
+      for (int j = 1; j <= s1; j++)   
+      {
+            cout << "\t";
+      }
+      cout << "*\t";
+
+      for (int j = 1; j <= s2; j++)
+      {
+        cout << "\t";
+      }
+    if ( i > 1 && i < n) 
+      {
+        cout << "*\t";
+      }
+
+      if (i <= n / 2)
+      {
+        s1--;
+        s2 = s2 + 2;
+      }
+      else
+      {
+        s1++;
+        s2 = s2 - 2;
+      }
+    cout<<"\n";
+    }
+  }
+
+  
+
+  
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern11.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern11.cpp
new file mode 100644
index 00000000..e31115db
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern11.cpp
@@ -0,0 +1,16 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n,i,j,k=1;
+    cin >> n;
+    for(i=1;i<=n;i++)
+    {
+        for(j=1;j<=i;j++)
+        {
+            cout<< k<<"\t";
+            k++;
+        }
+        cout<<endl;
+    }
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern12.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern12.cpp
new file mode 100644
index 00000000..23b1c525
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern12.cpp
@@ -0,0 +1,27 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n,*arr;
+    cin >> n;
+    arr=(int*)malloc((n*n)*sizeof(int));
+    int i,j,k,l=0;
+    int a=0,b=1;
+    arr[0]=0;arr[1]=1;
+    for(i=2;i<n*n;i++)
+    {
+        k=a+b;
+        arr[i]=k;
+        a=b;
+        b=k;
+    }
+    for(i=0;i<n;i++)
+    {
+        for(j=0;j<=i;j++){
+            {cout<<arr[l]<<"\t";
+            l++;}
+        }
+        cout<<"\n";
+    }
+    
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern13.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern13.cpp
new file mode 100644
index 00000000..4dd03603
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern13.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+    
+    int i,j,k,l;
+     for ( i=0; i <n ; i++)
+    {
+      int id = 1;
+      for ( j=0; j <= i; j++)
+      {
+        cout<< id << "\t" ;
+        int id1 = (id * (i - j)) / (j + 1);
+        id = id1;
+
+      }
+      cout<<"\n";
+    }
+    
+}
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern14.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern14.cpp
new file mode 100644
index 00000000..c796fbc6
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern14.cpp
@@ -0,0 +1,12 @@
+#include<iostream>
+using namespace std;
+int main(int agrc, char** argv){
+    int n;
+    cin >> n;
+    int i,j,k;
+    for(i=1;i<=10;i++)
+    {
+        cout << n << " * " << i << " = " <<i*n << endl;
+    }
+    
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern15.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern15.cpp
new file mode 100644
index 00000000..2f538444
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern15.cpp
@@ -0,0 +1,39 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+    int sp = n / 2, st = 1;
+    for (int i = 1; i <= n; i++)
+    { if(i <= n/2)
+     k=i;
+     else
+     k=n-i+1;
+      for (int j = 1; j <= sp; j++)
+      {
+        cout<<"\t";
+      }
+      for (int j = 1; j <= st; j++)   
+      {
+    cout<<k<<"\t";
+    if(j <=st / 2)
+      k++;
+      else 
+      k--;
+    }
+      
+      if ( i <= n / 2)
+      { sp--;                 
+        st += 2;        
+      }
+      else
+      {
+        sp++;               
+        st -= 2;                
+      }
+      cout<< endl;
+      
+    }
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern16.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern16.cpp
new file mode 100644
index 00000000..4889f82d
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern16.cpp
@@ -0,0 +1,41 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+
+ int i,j,k,l,m,n;
+ cin >> n;
+ for(i=1;i<=n;i++)
+ {
+     for(j=1;j<=i;j++)
+     {
+         cout<<j<<"\t";
+     }
+     for(k=n-1;k>=i;k--)
+     {
+         cout<<"\t";
+     }
+     for(k=n-2;k>=i;k--)
+     {
+         cout<<"\t";
+     }
+     for(m=i;m>=1;m--)
+     { 
+        if(i==n)
+        { 
+            cout<<m-1<<"\t";
+            if(m==2)
+            m--;
+        }
+        else
+        cout<<m<<"\t";
+     }
+     cout<<"\n";
+ }
+
+    return 0;
+}
+
+
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern17.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern17.cpp
new file mode 100644
index 00000000..aeaac378
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern17.cpp
@@ -0,0 +1,36 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+    int sp = n / 2, st = 1;
+    for (int i = 1; i <= n; i++)
+    {
+      for (int j = 1; j <= sp ; j++) 
+      {
+        if ( i == n / 2 + 1)    
+        {
+         cout<<"*\t";
+        }
+        else
+        {
+          cout<<"\t";
+        }
+      }
+      for (int j = 1 ; j <= st; j++) 
+      {
+        cout<<"*\t";
+      }
+      if ( i <= n / 2)   
+      {
+        st++;       
+      }
+      else {
+        st--;       
+      }
+      cout<<"\n";
+    }
+  }
+      
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern18.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern18.cpp
new file mode 100644
index 00000000..507e555e
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern18.cpp
@@ -0,0 +1,36 @@
+#include <iostream>
+using namespace std;
+int main(int agrc, char**argv){
+    int n;
+    cin >> n;
+int i,j,k,l;
+    int sp=0,st=n;
+    for(i=1;i<=n;i++)
+    {
+        for(j=1;j<=sp;j++)
+        cout<<"\t";
+       for (int j = 1; j <= st; j++)
+      {
+        if ( i > 1 && i <= n / 2 && j > 1 && j < st) 
+        { 
+          cout<<"\t";
+        }
+        else
+        {
+          cout<<"*\t";
+        }
+      }
+      cout<<"\n";
+    
+    if(i<=n/2)
+    {
+        sp=sp+1;
+        st=st-2;
+    }
+    else
+    {
+        sp=sp-1;
+        st=st+2;
+    }}
+    cout<<"\n";
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern19.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern19.cpp
new file mode 100644
index 00000000..9d83df49
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern19.cpp
@@ -0,0 +1,64 @@
+#include <iostream>
+using namespace std;
+int main(int argc, char** argv){
+    int n;
+    cin >> n;
+
+int i,j,k,l;
+for(i = 1;i <= n; i++)
+{
+    for (int j = 1 ; j <= n; j++)
+      {
+        if ( i == 1) 
+        {
+          if ( j == n || j <= (n +1) / 2)
+          {
+            cout<<"*\t";
+          }
+          else
+          {
+            cout<<"\t";
+          }
+        }
+        else if (i <= n / 2) 
+        {
+          if ( j == n || j == (n + 1)/ 2 )
+          {
+            cout<<"*\t";
+          }
+          else
+          {
+            cout<<"\t";
+          }
+        }
+        else if ( i == (n + 1) / 2 ) 
+        {
+          cout<<"*\t";
+        }
+        else if (i < n) 
+        {
+          if (j == 1 || j == (n +1) /2)
+          {
+            cout<<"*\t";
+          }
+          else
+          {
+            cout<<"\t";
+          }
+        }
+        else    
+        {
+          if (j == 1 || j >= (n +1) / 2)
+          {
+            cout<<"*\t";
+          }
+          else
+          {
+            cout<<"\t";
+          }
+        }
+      }
+      cout<<endl;
+    }
+
+  }
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern2.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern2.cpp
new file mode 100644
index 00000000..9f4d348c
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern2.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+for(i=0;i<n;i++)
+{
+    for(j=n-1;j>=0;j--)
+    {
+        if(j>=i)
+        {
+            cout<<"*\t";
+        }
+        
+
+    }
+    cout << endl;
+}
+   
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern20.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern20.cpp
new file mode 100644
index 00000000..5c7104e1
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern20.cpp
@@ -0,0 +1,27 @@
+#include <iostream>
+using namespace std;
+int main(int argc, char** argv){
+    int n;
+    cin >> n;
+    for (int i = 1; i <= n; i++)
+    {
+      for (int j = 1; j <= n; j++)
+      {
+        if ( j == 1 || j == n) 
+        {
+          cout<<"*\t";
+        }
+        else if (i > n / 2 && (i == j || i + j == n + 1))  
+        {
+          cout<<"*\t";
+        }
+        else
+        {
+          cout<<"\t";
+        }
+      }
+       cout<< endl;
+    }
+  }
+
+  
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern3.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern3.cpp
new file mode 100644
index 00000000..f234e640
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern3.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+for(i=0;i<n;i++)
+{
+    for(j=n-1;j>=0;j--)
+    {
+        if(j>i)
+        {
+            cout<<"\t";
+        }
+        else
+        cout <<"*\t";
+        
+
+    }
+    cout << endl;
+}
+   
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern4.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern4.cpp
new file mode 100644
index 00000000..8f423c29
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern4.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+for(i=0;i<n;i++)
+{
+    for(j=0;j<n;j++)
+    {
+        if(j>=i)
+        {
+            cout<<"*\t";
+        }
+        else
+        cout <<"\t";
+        
+
+    }
+    cout << endl;
+}
+   
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern5.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern5.cpp
new file mode 100644
index 00000000..d5e2f315
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern5.cpp
@@ -0,0 +1,31 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+    int sp = n / 2, st = 1;
+    for (int i = 1; i <= n; i++)
+    {
+      for (int j = 1; j <= sp; j++)
+      {
+        cout<<"\t";
+      }
+      for (int j = 1; j <= st; j++)   
+      {
+    cout<<"*\t";
+      }
+      if ( i <= n / 2)
+      { sp--;                 
+        st += 2;        
+      }
+      else
+      {
+        sp++;               
+        st -= 2;                
+      }
+      cout<< endl;
+      
+    }
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern6.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern6.cpp
new file mode 100644
index 00000000..695dcca7
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern6.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+    int sp = (n+1)/ 2, st = 1;
+    for (int i = 1; i <= n; i++)
+    {
+      for (int j = 1; j <= sp; j++)
+      {
+        cout<<"*\t";
+      }
+      for (int j = 1; j <= st; j++)   
+      {
+    cout<<"\t";
+      }
+      for (int j = 1; j <= sp; j++)
+      {
+        cout<<"*\t";
+      }
+      if ( i <= n / 2)
+      { sp--;                 
+        st += 2;        
+      }
+      else
+      {
+        sp++;               
+        st -= 2;                
+      }
+      cout<< endl;
+      
+    }
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern7.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern7.cpp
new file mode 100644
index 00000000..3266a4ac
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern7.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+for(i=0;i<n;i++)
+{
+    for(j=0;j<n;j++)
+    {
+        if(j==i)
+        cout<<"*\t";
+        else
+        cout << "\t";
+        
+
+    }
+    cout << "\n";
+}
+   
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern8.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern8.cpp
new file mode 100644
index 00000000..39ae89fe
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern8.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+int i,j,k;
+for(i=0;i<n;i++)
+{
+    for(j=n-1;j>=0;j--)
+    {
+        if(j==i)
+        cout<<"*\t";
+        else
+        cout << "\t";
+        
+
+    }
+    cout << "\n";
+}
+   
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern9.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern9.cpp
new file mode 100644
index 00000000..7bcfc39d
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/Patterns/Pattern9.cpp
@@ -0,0 +1,23 @@
+#include <iostream>
+using namespace std;
+
+int main(int argc, char **argv){
+    int n;
+    cin >> n;
+    int i,j,k;
+    k = n-1;
+for(i=0;i<n;i++)
+{
+    for(j=0;j<n;j++)
+    {
+        if(i==j || j==k )
+            cout<<"*\t";
+        else
+            cout<< "\t";
+
+    }
+    k--;    
+    cout<<"\n";
+}
+
+}
\ No newline at end of file

From 35c29cf51ba56a7d9b0c636c05fb3c585fade048 Mon Sep 17 00:00:00 2001
From: Nivedita-R <rainivedita511@gmail.com>
Date: Sun, 23 Oct 2022 11:29:04 +0530
Subject: [PATCH 5/5] programs of function and array

---
 .../FunctionandArrays/AnyBaseToDecimal.cpp    | 21 +++++++++++++++
 .../FunctionandArrays/DecimaltoAnyBase.cpp    | 22 ++++++++++++++++
 .../FunctionandArrays/DigitFrequency.cpp      | 26 +++++++++++++++++++
 .../FindElementInAnArray.cpp                  | 19 ++++++++++++++
 .../FunctionandArrays/SpanOfArray.cpp         | 25 ++++++++++++++++++
 5 files changed, 113 insertions(+)
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/AnyBaseToDecimal.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/DecimaltoAnyBase.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/DigitFrequency.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/FindElementInAnArray.cpp
 create mode 100644 IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/SpanOfArray.cpp

diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/AnyBaseToDecimal.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/AnyBaseToDecimal.cpp
new file mode 100644
index 00000000..d7532303
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/AnyBaseToDecimal.cpp
@@ -0,0 +1,21 @@
+#include<iostream>
+#include<cmath>
+using namespace std;
+int AnyToDec(int n, int b) {
+int d,r,s=0,i=0,t;
+while(n!=0){
+t=pow(b,i);
+r=n%10;
+s=s+(r*t);
+i++;
+n=n/10;}
+return s;
+}
+int main() {
+  int n;
+  int b;
+  cin >> n;
+  cin >> b;
+  int res = AnyToDec(n, b);
+  cout << res << endl;
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/DecimaltoAnyBase.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/DecimaltoAnyBase.cpp
new file mode 100644
index 00000000..8511e5d4
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/DecimaltoAnyBase.cpp
@@ -0,0 +1,22 @@
+#include<iostream>
+#include<cmath>
+using namespace std;
+int DecToAny(int n, int b) {
+    int i=0,d,r,s=0;
+    while(n != 0)
+    {
+        d = n % b;
+        s = s + d * pow(10.0,i);
+        n = n / b;
+        i++;
+    }
+return s;
+}
+int main() {
+  int n;
+  int b;
+  cin >> n;
+  cin >> b;
+  int res = DecToAny(n, b);
+  cout << res << endl;
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/DigitFrequency.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/DigitFrequency.cpp
new file mode 100644
index 00000000..31e51014
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/DigitFrequency.cpp
@@ -0,0 +1,26 @@
+#include<iostream>
+#include<cmath>
+using namespace std;
+int digFreq(int n,int d)
+{
+    int r, c = 0;
+    while(n != 0)
+    {
+        r = n % 10;
+        if(r == d)
+            c++;
+        n=n/10;
+    }
+    return c;
+}
+int main() {
+  int n, d;
+  cin >> n >> d;
+  long int r;
+  r=pow(10.0,9.0);
+  if(n >= 0 && n <= r && d >= 0 && d <= 9)
+  {
+  int res = digFreq(n, d);
+  cout << res << endl;
+}
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/FindElementInAnArray.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/FindElementInAnArray.cpp
new file mode 100644
index 00000000..ed07a83d
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/FindElementInAnArray.cpp
@@ -0,0 +1,19 @@
+#include<iostream>
+#include <cstdlib>
+using namespace std;
+int main() {
+	int x, n,i,j,el,k=-1;
+	cin >>n;
+	int *arr ;
+	arr = (int*)malloc(n*sizeof(int));
+	for (x = 0; x < n; x++) {
+		cin >> arr[x];
+	}
+	cin >> el;
+	for(i=0;i<n;i++)
+	{
+	    if(arr[i]==el)
+	    k=i;
+	}
+	cout<<k;
+}
\ No newline at end of file
diff --git a/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/SpanOfArray.cpp b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/SpanOfArray.cpp
new file mode 100644
index 00000000..0bd7b5f7
--- /dev/null
+++ b/IOT/Nivedita-R_NiveditaRai_2125it1079_2/FunctionandArrays/SpanOfArray.cpp
@@ -0,0 +1,25 @@
+#include<iostream>
+#include <cstdlib>
+using namespace std;
+int main() {
+	int x, n,i,k,max,min;
+	cin >>n;
+	int *arr ;
+	arr = (int*)malloc(n*sizeof(int));
+	for (x = 0; x < n; x++) {
+		cin >> arr[x];
+	}
+	min=arr[0];
+	max=arr[0];
+	for(i=1;i<n;i++)
+	{
+	    if(min>arr[i])
+	    min = arr[i];
+	    
+	    if(max<arr[i])
+	    max = arr[i];
+	}
+	k = max - min;
+	cout << k;
+	return 0;
+}
\ No newline at end of file