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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