"changes"

Author: ganeshGhode2002

Recursion/one.cpp

@@ -0,0 +1,43 @@
+#include <iostream>
+#include <math.h>
+using namespace std;
+
+// bool checkPal(string str, int start, int end)
+// {
+//     if (str[start] > str[end])
+//     {
+//         return 1;
+//     }
+//     if (str[start] != str[end])
+//     {
+//         return 0;
+//     }
+//     else
+//         return checkPal(str, start + 1, end - 1);
+// }
+
+int count(string str, int index)
+{
+    if (index == -1)
+    {
+        return 0;
+    }
+    if (str[index] == 'a' || str[index] == 'e' || str[index] == 'i' || str[index] == 'o' || str[index] == 'u')
+    {
+        return 1 + count(str, index - 1);
+    }
+    else
+    {
+        return count(str, index - 1);
+    }
+}
+
+int main()
+{
+    string name;
+    cout << "enter a number: " << endl;
+    cin >> name;
+
+    // cout << checkPal(name, 0, 4);
+     cout << count(name,4);
+}

strings/one.cpp

@@ -1,14 +1,62 @@
-#include<iostream>
+// #include<iostream>
+// using namespace std;
+
+// int main(){
+//     // string name;
+//     // cout<<"enter the name: ";
+//     // cin>>name;
+//     // cout<<"the name is : "<<name;
+
+//     string sentance;
+//     cout<<"enter data: ";
+//    getline(cin,sentance,'\n');
+//    cout<<sentance;
+// }
+
+#include <iostream>
 using namespace std;
 
-int main(){
-    // string name;
-    // cout<<"enter the name: ";
-    // cin>>name;
-    // cout<<"the name is : "<<name;
+// int factorial(int n)
+// {
+
+//     if (n == 0 || n == 1)
+//         return 1;
+
+//     return n * factorial(n - 1);
+// }
+// int fibo(int n)
+// {
+//     if (n <= 1)
+//     {
+//         return n;
+//     }
+
+//     return fibo(n - 1) + fibo(n - 2);
+// }
+int gcd(int n1, int n2)
+{
+    if (n2 == 0)
+    {
+        return n1;
+    }
+    return gcd(n2, n1 % n2);
+}
+int main()
+{
+    // cout << "hello world!" << endl;
+    int num1, num2, ans;
+    // numbers from 1 to n;
+    cout << "enter number1: " << endl;
+    cin >> num1;
+    cout << "enter number2: " << endl;
+    cin >> num2;
+    // ans = factorial(num);
+    // cout << "The factorial of " << num << " is: " << ans;
+
+    //    ans = fibo(num);
+    //     cout << "The ans:" << " " << ans << endl;
+
+    ans = gcd(num1, num2);
 
-    string sentance;
-    cout<<"enter data: ";
-   getline(cin,sentance,'\n');
-   cout<<sentance;
+    cout << "the Gcd is : " << ans << endl;
 }