C -循环,,浮动

#include <stdio.h>
#include <math.h>

int main()
{
    int i;
    int result;
    float f;

    while((result = scanf("%d", &i)) != EOF)
    {
        scanf("%f", &f);
        printf("%.0f %.0f %.0f\n", floor(f), round(f), ceil(f));
    }
    printf("Done.\n");

    return 0;
}
#include <stdio.h>
#include <math.h>

int main(