제출 #467582

#제출 시각아이디문제언어결과실행 시간메모리
467582nicolaalexandraBalloons (CEOI11_bal)C++14
50 / 100
2098 ms9472 KiB
#include <bits/stdc++.h>
#define DIM 200010
using namespace std;

struct cerc{
    long long x;
    long double r;
} v[DIM];

int n,i,j;

int main (){

    //ifstream cin ("date.in");
    //ofstream cout ("date.out");

    cin>>n;
    for (i=1;i<=n;i++)
        cin>>v[i].x>>v[i].r;

    for (i=1;i<=n;i++){

        for (j=1;j<i;j++){
            v[i].r = min (v[i].r, 1.0*(v[j].x*v[j].x + v[i].x*v[i].x - 2*v[j].x*v[i].x) / (4.0*v[j].r) );
        }

        cout<<setprecision(3)<<fixed<<v[i].r<<"\n";
    }


    return 0;
}
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