Question

How to print 0000 111 22 3 using for loop in C++

Answer 1

#include <iostream>

int main() {
    int n = 0;
    
    for (int i = 4; i > 0; i--) {
        for (int j = 0; j < i; j++) {
           std::cout << n;
        }
        std::cout << '\n';
        n++;
    }
}
 
 
 
 
/*
run:
 
0000
111
22
3
 
*/

 

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