Question

C++ only.

Must use loops. Please do not use sequence of if statements.

Given as input string and an int N, set result a string made of N repetitions of the last N characters of the string. You may assume that N is between 0 and the length of the string, inclusive.  

• for input of "Hello", 3 → "llollollo"

• for input of "Hello", 2 → "lolo"

• for input of "Hello", 1 → "o"

Answer 1

#include<iostream>
using namespace std;
int main() 
{
    string s;
    int n;
    
    cout<<"Enter a string: ";
    cin>>s;
    
    cout<<"Enter number: ";
    cin>>n;
    
    for(int j = 0;j<n;j++){
       for(int i = s.length()-n;i<s.length();i++){
          cout<<s[i];
      }
   }
    return 0;
}