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为什么会WA!请指点!
已通过测试数据。本程序未对分子分母化简,因为这没必要!
//******************************************************************
//********* *********
//********* *********
//wanpi0user
//
//******************************************************************
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<fstream>
#include<sstream>
#include<cstdlib>
#include<cstdio>
#include<cmath>
#include<string>
using namespace std;
int main(){
int d,L,p,i;
double eps=1.0;
double A,D,P;
cin>>A>>L;
for(i=1;i<L;i++){
D=i;
P=floor(D*A+0.5);
//if((P<L)&&(abs(P/D-A)<eps)){eps=abs(P/D-A);d=i;p=floor(D*A+0.5);}
if(P<L&&(fabs(P/D-A)<eps)){
eps=fabs(P/D-A);
d=i;p=floor(D*A+0.5);}
//cout<<(P/D-A)<<'\t'<<setw(10)<<eps<<'\t'<<A<<endl;
}
cout<<p<<" "<<d<<endl;
return 0;
}
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