Pyramid Problem No. 77

 Q.77 Write the 1 and 0 number pyramid program as:

1
01
101
0101
10101

Solving in C:

#include <stdio.h>
    int main(){
        int n=5,row,col;
        for(row=1; row<=n; row++){
            for(col=1;col<=row; col++){
                if((row%2==0 && col%2==1) || (row%2==1 && col%2==0)) printf("0");
                else printf("1");
            }
            printf("\n");
        }
        return 0;
    }