Rain sound Hacker Earth Solution in C

 #include<stdio.h>

int main()

{

    int t;

    scanf("%d",&t);

    while(t--)

    {

        int l,r,s;

        scanf("%d%d%d",&l,&r,&s);

        int min,max;

        min=l/s;

        if(min*s < l)

            min++;

        max=r/s;

        if(min<=max)

            printf("%d %d\n",min,max);

        else

            printf("-1 -1\n");

    }

}