From e689239eef56e61e7016abb27898738509a29634 Mon Sep 17 00:00:00 2001
From: Nivedita-R <114609783+Nivedita-R@users.noreply.github.com>
Date: Mon, 17 Oct 2022 22:00:42 +0530
Subject: [PATCH] Completed Module Patterns (#208) [HF]

* Create Hello.txt

Create Hello.txt

* module1

my first module of programs

* more from getting started

some ques from getting started

* 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