HOJ 2453 Nasty Hacks

http://acm.hit.edu.cn/hoj/problem/view?id=2453

计算收益

#include <stdio.h>
int main()
{
    int n, r, e, c;
    
    scanf("%d", &n);
    while (n--)
    {
        scanf("%d %d %d", &r, &e, &c);
        if(r == (e - c))
            printf("does not matter\n");
        if(r > ( e - c))
            printf("do not advertise\n");
        if(r < (e - c))
            printf("advertise\n");
    }
    
    return 0;
}