제출 #434323

#제출 시각아이디문제언어결과실행 시간메모리
434323JovanK26새로운 문제 (POI11_pio)C++14
100 / 100
264 ms12824 KiB
#include <bits/stdc++.h> using namespace std; int n; int h[500005]; int f[500005]; void rec(int l,int r,int optl,int optr) { if(l>r)return; int i=(l+r)/2; int opt=optl; for(int j=optl;j<=min(i,optr);j++) { if(h[j]+sqrt(abs(i-j))>h[opt]+sqrt(abs(i-opt))) { opt=j; } } f[i]=max(f[i],h[opt]+(int)ceil(sqrt(abs(i-opt)))-h[i]); rec(l,i-1,optl,opt); rec(i+1,r,opt,optr); } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n; for(int i=1;i<=n;i++) { cin >> h[i]; } rec(1,n,1,n); reverse(h+1,h+n+1); reverse(f+1,f+n+1); rec(1,n,1,n); for(int i=n;i>=1;i--) { cout << f[i]<<'\n'; } return 0; }
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