제출 #756657

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
756657	2023-06-12 03:57:53	SanguineChameleon	Pairs (IOI07_pairs)	C++17	100 / 100	103 ms	7984 KiB

pairs

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#include <bits/stdc++.h>
using namespace std;
void just_do_it();
int main() {
  #ifdef KAMIRULEZ
    freopen("kamirulez.inp", "r", stdin);
    freopen("kamirulez.out", "w", stdout);
  #endif
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  just_do_it();
  return 0;
}
namespace sub1 {
  const int maxN = 1e5 + 20;
  int pos[maxN];
  int N, D, M;
  void solve() {
    cin >> N >> D >> M;
    for (int i = 1; i <= N; i++) {
      cin >> pos[i];
    }
    sort(pos + 1, pos + N + 1);
    long long res = 0;
    for (int i = 1; i <= N; i++) {
      res += upper_bound(pos + 1, pos + N + 1, pos[i] + D) - lower_bound(pos + 1, pos + N + 1, pos[i] - D);
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 6 / 6
• Subtask 3: 6 / 6
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• Subtask 11: 10 / 10
• Subtask 12: 10 / 10
• Subtask 13: 10 / 10