啊水题 Uva10167

#include <iostream>#include <cstdio>#include <cstring>#include <stdlib.h>#include <string.h>#include <queue>#include <fstream>#include <math.h>using namespace std;int num,cherry[105][2];bool line_ok(int a,int b){    int count =0;    for(int i=0;i<num*2;i++)    {        if(cherry[i][0]*a+cherry[i][1]*b>0){count++;}        else if(cherry[i][0]*a+cherry[i][1]*b==0){return false;}    }    if(count==num){return true;}    else {return false;}}void get_ans(){    for(int a=-500;a<=500;a++)    {        for(int b=-500;b<=500;b++)        {            if(line_ok(a,b)){cout<<a<<" "<<b<<endl;return;}        }    }}int main(){    //ifstream cin("ha.txt");    while(cin>>num&&num)    {        for(int i=0;i<2*num;i++)        {            cin>>cherry[i][0]>>cherry[i][1];        }        get_ans();    }}