이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#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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