1098 - URI - Sequência IJ 4 (Sequence IJ 4) in C

#include <stdio.h>
#include <math.h>
int main() {

    double i, j, nj;
    for(i=0; i<=2.0; i+=0.2){
        for(j=1.0; j<=3.0; j++){
            nj=j+i;
            if(nj == 1.0 || nj == 2.0 || nj == 3.0 || nj == 4.0 || nj == 5.0){
                printf("I=%.0lf J=%.0lf\n", i, nj);
            }
            else{
                printf("I=%.1lf J=%.1lf\n", i, nj);
            }
        }
    }
    return 0;
}