Team Initiators

C++/.cph/.Question-4.cpp_0a513efc3b867a523dc1467ab4314b5a.prob

@@ -0,0 +1 @@
+{"name":"Local: Question-4","url":"d:\\CodeQuest-2\\CODEQUEST-2\\C++\\Question-4.cpp","tests":[{"id":1714803881806,"input":"","output":""}],"interactive":false,"memoryLimit":1024,"timeLimit":3000,"srcPath":"d:\\CodeQuest-2\\CODEQUEST-2\\C++\\Question-4.cpp","group":"local","local":true}

C++/Question-1.cpp

@@ -2,9 +2,9 @@
 #include <iostream>
 
 void bubbleSort(int arr[], int n) {
-    for (int i = 0; i < n; i++) {
-        for (int j = i; j < n - i - 1; j++) {
-            if (arr[j] < arr[j + 1]) {
+    for (int i = 0; i < n-1; i++) {
+        for (int j = 0; j < n - i - 1; j++) {
+            if (arr[j] > arr[j + 1]) {
                 int temp = arr[j];
                 arr[j] = arr[j + 1];
                 arr[j + 1] = temp;

C++/Question-2.cpp

@@ -3,15 +3,18 @@
 #include <iostream>
 #include <string>
 
-double usdToEur(double amount) {
+double usdToEur(double amount)
+{
     return amount * 0.8;
 }
 
-double eurToUsd(double amount) {
+double eurToUsd(double amount)
+{
     return amount * 1.2;
 }
 
-int main() {
+int main()
+{
     double amount;
     std::string currency;
 
@@ -20,15 +23,19 @@ int main() {
     std::cout << "Enter currency (USD/EUR): ";
     std::cin >> currency;
 
-    if (currency == "USD") {
+    if (currency == "USD")
+    {
         double convertedAmount = usdToEur(amount);
         std::cout << "Amount in EUR: " << convertedAmount << std::endl;
-    } else if (currency == "EUR") {
-        double convertedAmount = usdToEur(amount);
+    }
+    else if (currency == "EUR")
+    {
+        double convertedAmount = eurToUsd(amount);
         std::cout << "Amount in USD: " << convertedAmount << std::endl;
-    } else {
+    }
+    else
+    {
         std::cout << "Invalid currency." << std::endl;
     }
-
     return 0;
 }

C++/Question-3.cpp

@@ -11,9 +11,9 @@ void guessNumber() {
         std::cout << "Guess the number (between 1 and 100): ";
         std::cin >> guess;
 
-        if (guess > number) {
+        if (guess < number) {
             std::cout << "Too low! Try again." << std::endl;
-        } else if (guess <= number) {
+        } else if (guess > number) {
             std::cout << "Too high! Try again." << std::endl;
         } else {
             std::cout << "Congratulations! You guessed the number." << std::endl;

C++/Question-4.cpp

@@ -4,21 +4,49 @@
 #include <iostream>
 #include <string>
 
-bool checkPassword(std::string password) {
-    return password.length() >= 8;
+bool checkPassword(std::string password)
+{
+    int flag1 = 0, flag2 = 0, flag3 = 0;
+    if (password.length() < 8)
+    {
+        std ::cout << "Password is too short.\n";
+        return 0;
+    }
+
+    else if (password.length() >= 8)
+    {
+        for (int i = 0; i < password.length(); i++)
+        {
+            if (password[i] >= 65 && password[i] <= 90)
+                flag1 = 1;
+            if (password[i] >= 97 && password[i] <= 122)
+                flag2 = 1;
+            if (!(password[i] >= 97 && password[i] <= 122) && !(password[i] >= 65 && password[i] <= 90) && !(password[i] >= 48 && password[i] <= 57))
+                flag3 = 1;
+        }
+        if (flag1 == 1 && flag2 == 1 && flag3 == 1)
+            return true;
+        else
+            return false;
+    }
+    else
+        return 0;
 }
 
-int main() {
+int main()
+{
     std::string password;
 
     std::cout << "Enter a password: ";
     std::getline(std::cin, password);
 
-    if (checkPassword(password)) {
+    if (checkPassword(password))
+    {
         std::cout << "Password is valid." << std::endl;
-    } else {
-        std::cout << "Password is too short." << std::endl;
     }
-
+    else
+    {
+        std::cout << "Password is invalid" << std::endl;
+    }
     return 0;
 }

C++/Question-5.cpp

@@ -1,19 +1,23 @@
 #include <iostream>
 
 // Function to calculate the factorial of a number
-int factorial(int n) {
-        return n * factorial(n - 1);
+int factorial(int n)
+{
+    if (n == 0)
+        return 1;
+    return n * factorial(n - 1);
 }
 
-int main() {
+int main()
+{
     int number;
-    
+
     std::cout << "Enter a number: ";
     std::cin >> number;
-    
+
     int result = factorial(number);
-    
+
     std::cout << "The factorial of " << number << " is " << result << std::endl;
-    
+
     return 0;
 }