Question

Write a program using a for loop to print the output below

1

12

123

1234

12345

Answer 1

#include <iostream>


using namespace std;


int main()
{
    for(int i=1;i<=5;i++){
        for(int j=1;j<=i;j++){
            cout<<j;
        }
        cout<<"\n";
    }


    return 0;
}