URAL 1011(枚举)

题意：黑书P12 售货员

思路：不能有半个人。

#include <cstdio>#include <cstring>#include <cmath>#include <iostream>#include <algorithm>#include <stack>#include <queue>using namespace std;const double EPS = 1e-12;double  l,r;bool zero(double t){    return -EPS<t&&t<EPS;}bool find(int k){    if((int)(l*k)<(int)(r*k)&&!zero((r*k)-(int)(r*k))) return true;    return false;}int main(){    freopen("in.txt","r",stdin);    while(~scanf("%lf%lf",&l,&r))    {        l/=100;r/=100;        for(int i=1;;i++)        {            if(find(i))            {                printf("%d\n",i);                break;            }        }    }    return 0;}