Submission #244846

#	Time	Username	Problem	Language	Result	Execution time	Memory
244846		Nightlight	Just Long Neckties (JOI20_ho_t1)	C++14	100 / 100	120 ms	9336 KiB

ho_t1

#include <bits/stdc++.h>
#define pii pair<int, int>
using namespace std;

int N;
pii neck[200005];
int A[200005];
int bacc[200005];
int fron[200005];
int ans[200005];

int main() {
  ios_base::sync_with_stdio(0);
  cin >> N;
  for(int i = 1; i <= N + 1; i++) {
    cin >> neck[i].first;
    neck[i].second = i;
  }
  for(int i = 1; i <= N; i++) {
    cin >> A[i];
  }
  sort(neck + 1, neck + N + 2);
  sort(A + 1, A + N + 1);
  for(int i = 1; i <= N; i++) {
    int now = neck[i + 1].second;
    ans[now] = max(neck[i].first - A[i], 0);
    ans[now] = max(ans[neck[i].second], ans[now]);
  }
  int bef = 0;
  for(int i = N; i > 0; i--) {
    int now = neck[i].second;
    bef = max(neck[i + 1].first - A[i], bef);
    ans[now] = max(ans[now], bef);
  }
  for(int i = 1; i <= N + 1; i++) {
    cout << ans[i] << " ";
  }
  cin >> N;
}

• Subtask 1: 1 / 1
• Subtask 2: 8 / 8
• Subtask 3: 91 / 91