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>
using namespace std;
#define int int64_t
const int N = 500005;
int h[N],ans[N];
int ftable[N];
int f(int i,int j){
return ftable[abs(i-j)];
}
int32_t main(){
cin.tie(0); ios_base::sync_with_stdio(false);
for(int i=1,now=1;i<N;i++){
if(now*now<i) now++;
ftable[i] = now;
//if(i<10)cout << i << ' ' << ftable[i] << '\n';
}
int n;
cin >> n;
deque<pair<int,int> > dq;
for(int i=1;i<=n;i++) {
cin >> h[i];
while(!dq.empty() && h[i] > dq.back().first + f(i,dq.back().second)) dq.pop_back();
if(dq.empty() || h[i] > dq[0].first)dq.push_back({h[i],i});
while(dq.size() >= 2 && dq[0].first + f(i,dq[0].second) < dq[1].first + f(i,dq[1].second)) dq.pop_front();
ans[i] = dq[0].first + f(i,dq[0].second);
}
dq.clear();
for(int i=n;i>=1;i--){
while(!dq.empty() && h[i] > dq.back().first + f(i,dq.back().second)) dq.pop_back();
if(dq.empty() || h[i] > dq[0].first)dq.push_back({h[i],i});
while(dq.size() >= 2 && dq[0].first + f(i,dq[0].second) < dq[1].first + f(i,dq[1].second)) dq.pop_front();
ans[i] = max(ans[i],dq[0].first + f(i,dq[0].second));
}
for(int i=1;i<=n;i++) cout << ans[i] - h[i] << '\n';
// for(int i=1;i<=n;i++){
// int mx = 0;
// for(int j=1;j<=n;j++) mx = max(mx,h[j]+f(i,j));
// cout << mx-h[i] << ' ';
// }cout << '\n';
}
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