Is GTA V Online Cross Platform

#include<stdio.h>
int main()
{
    int a,b;
    for(a=1;a<=5;a++)
    {
        for(b=1;b<=5;b++)
        {
            if(b-1==a)
            printf("*");
            else
            printf(" ");            
        }
        printf("\n");
    }
}