제출 #1317369

#제출 시각아이디문제언어결과실행 시간메모리
1317369RgZg_LnEnBalloons (CEOI11_bal)C++20
0 / 100
1 ms428 KiB
//UPDATERA ARRAY STORLEKEN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #include <bits/stdc++.h> using namespace std; typedef long long ll; const ll INF=1e15; const ll MAXN=206;//UPDATERA ARRAY STORLEKEN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ll n; double ans[MAXN]; struct node{ double x,r; }lst[MAXN]; stack<ll> S; int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin>>n; for(int i=1;i<=n;i++) cin>>lst[i].x>>lst[i].r; cout<<setprecision(20); for(int i=1;i<=n;i++){ if(!S.empty()){ ans[i]=min((lst[S.top()].x-lst[i].x)*(lst[S.top()].x-lst[i].x)/(4*ans[S.top()]),lst[i].r); while(!S.empty()&&ans[i]>=ans[S.top()]){ S.pop(); ans[i]=min((lst[S.top()].x-lst[i].x)*(lst[S.top()].x-lst[i].x)/(4*ans[S.top()]),ans[i]); } }else{ ans[i]=lst[i].r; } S.push(i); cout<<ans[i]<<'\n'; } }
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