제출 #1282397

#제출 시각아이디문제언어결과실행 시간메모리
1282397kawhiet3개의 봉우리 (IOI25_triples)C++20
8 / 100
2095 ms1968 KiB
#include <bits/stdc++.h>
#include "triples.h"
using namespace std;

long long count_triples(vector<int> h) {
  int n = h.size();
  long long res = 0;
  for (int i = 0; i < n; i++) {
    for (int j = i + 1; j < n; j++) {
      for (int k = j + 1; k < n; k++) {
        vector<int> a = {j - i, k - i, k - j};
        vector<int> b = {h[i], h[j], h[k]};
        sort(a.begin(), a.end());
        sort(b.begin(), b.end());
        if (a == b) {
          res++;
        }
      }
    }
  }
  return res;
}

vector<int> construct_range(int M, int K) {
  return {1, 1, 1};
}

// int main() {
//   ios::sync_with_stdio(false);
//   cin.tie(nullptr);
//   int n;
//   cin >> n;
//   vector<int> h(n);
//   for (int i = 0; i < n; i++) {
//     cin >> h[i];
//   }
//   cout << count_triples(h) << '\n';
//   return 0;
// }
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