first commit

.vscode/c_cpp_properties.json

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+{
+    "configurations": [
+        {
+            "name": "Win32",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE"
+            ],
+            "cStandard": "c17",
+            "cppStandard": "c++17",
+            "intelliSenseMode": "windows-msvc-x64"
+        }
+    ],
+    "version": 4
+}

question1.cpp

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+//1. Print Hello world! in reverse
+#include<bits/stdc++.h>
+using namespace std;
+
+ int main(){
+    string str="Hello World";
+    for(int i=n-1;i>=0;i--){
+        cout<<str[i];
+
+    }
+    cout<<endl;
+    return 0;
+ }
+
+

question2.cpp

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+//2. Print 1 to 100 skipping every multiples of 5 and 2
+#include<bits/stdc++.h>
+using namespace std;
+
+ int main(){
+
+    for(int i=1;i<=100;i++){
+        if(i%2==0&&i%5==0){
+            continue;
+        }else{
+            cout<<i<<endl;
+        }
+
+    }
+    cout<<endl;
+    return 0;
+ }

question3.cpp

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+//3.Check for n-digit arm-strong number
+
+#include <iostream>
+using namespace std;
+
+int main() {
+    int num, originalNum, remainder, result = 0;
+    cout << "Enter a three-digit integer: ";
+    cin >> num;
+    originalNum = num;
+
+    while (originalNum != 0) {
+        // remainder contains the last digit
+        remainder = originalNum % 10;
+
+        result += remainder * remainder * remainder;
+
+        // removing last digit from the orignal number
+        originalNum /= 10;
+    }
+
+    if (result == num)
+        cout << num << " is an Armstrong number.";
+    else
+        cout << num << " is not an Armstrong number.";
+
+    return 0;
+}