제출 #231784

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
231784	2020-05-14 18:08:37	Haunted_Cpp	Just Long Neckties (JOI20_ho_t1)	C++17	100 / 100	297 ms	15096 KiB

ho_t1

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#include <bits/stdc++.h>
 
using namespace std;
#pragma GCC optimize ("Ofast")
#pragma GCC target("fma,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#pragma GCC optimize("unroll-loops")
int main () {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n;
  cin >> n;
  vector<pair<int, int> > a (n + 1);
  for (int i = 0; i <= n; i++) {
    cin >> a[i].first;
    a[i].second = i;
  }
  vector<int> pessoas (n);
  for (int i = 0; i < n; i++) cin >> pessoas[i];
  sort (a.begin(), a.end());
  sort (pessoas.begin(), pessoas.end());
  multiset<int> diff;
  for (int i = 0; i < n; i++) diff.insert( max (a[i].first - pessoas[i], 0) );
  vector<int> ans (n + 1, -1);
  ans[a[n].second] = *diff.rbegin();
  int last = a[n].first;
  for (int i = n - 1; i >= 0; i--) {
    int current = max (a[i].first - pessoas[i], 0);
    diff.erase(diff.lower_bound(current));
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 8 / 8
• Subtask 3: 91 / 91