제출 #718834

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
718834		Ahmed57	Lightning Conductor (POI11_pio)	C++14	27 / 100	382 ms	15948 KiB

pio

#include <bits/stdc++.h>

using namespace std;
long long dp[500001];
long long arr[500001];
void dc(int l,int r,int optl,int optr){
    if(l>r)return ;
    int mid = (l+r)/2;
    long long best = optl;
    for(int cut = optl;cut<=min(mid,optr);cut++){
        if(arr[best]+ceil(sqrt(mid-best))<arr[cut]+ceil(sqrt(mid-cut))){
            best = cut;
        }
    }
    dp[mid]=max(dp[mid],arr[best]+(long long)ceil(sqrt(mid-best)));
    int opt = best;
    dc(l,mid-1,optl,opt);
    dc(mid+1,r,opt,optr);
}
int main(){
    //ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    for(int i = 1;i<=n;i++){
        cin>>arr[i];
    }
    for(int i = 0;i<=n;i++)dp[i] = 0;
    dc(1,n,0,n-1);
    reverse(arr+1,arr+n+1);
    reverse(dp+1,dp+n+1);
    dc(1,n,0,n-1);
    reverse(dp+1,dp+n+1);
    reverse(arr+1,arr+n+1);
    for(int i = 1;i<=n;i++){
        cout<<dp[i]-arr[i]<<"\n";
    }
}

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