BruteCoders

C++/Question-1.cpp

@@ -2,8 +2,8 @@
 #include <iostream>
 
 void bubbleSort(int arr[], int n) {
-    for (int i = 0; i < n; i++) {
-        for (int j = i; j < n - i - 1; j++) {
+    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];

C++/Question-2.cpp

@@ -24,7 +24,7 @@ int main() {
         double convertedAmount = usdToEur(amount);
         std::cout << "Amount in EUR: " << convertedAmount << std::endl;
     } else if (currency == "EUR") {
-        double convertedAmount = usdToEur(amount);
+        double convertedAmount = eurToUsd(amount);
         std::cout << "Amount in USD: " << convertedAmount << std::endl;
     } else {
         std::cout << "Invalid currency." << std::endl;

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

@@ -5,7 +5,20 @@
 #include <string>
 
 bool checkPassword(std::string password) {
-    return password.length() >= 8;
+    int l=0,u=0,s=0;
+    for(int i=0;i<password.size();++i){
+        int c=password[i];
+        if(c>=65&&c<=90){
+            ++u;
+        }
+        else if(c>=97&&c<=122){
+            ++l;
+        }
+        else{
+            ++s;
+        }
+    }
+    return (password.length() >= 8)&&(u>0)&&(l>0)&&(s>0);
 }
 
 int main() {
@@ -17,7 +30,7 @@ int main() {
     if (checkPassword(password)) {
         std::cout << "Password is valid." << std::endl;
     } else {
-        std::cout << "Password is too short." << std::endl;
+        std::cout << "Password is invalid" << std::endl;
     }
 
     return 0;

C++/Question-5.cpp

@@ -2,6 +2,9 @@
 
 // Function to calculate the factorial of a number
 int factorial(int n) {
+    if(n<=1){
+        return 1;
+    }
         return n * factorial(n - 1);
 }
 

C++/tempCodeRunnerFile.cpp

@@ -0,0 +1,3 @@
+if(n<=1){
+        return 1;
+    }