Submission #1282409

#	Time	Username	Problem	Language	Result	Execution time	Memory
1282409		kawhiet	3개의 봉우리 (IOI25_triples)	C++20	0 / 100	2094 ms	1956 KiB

triples

#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;
  int x = 20;
  for (int i = 1; i < n - 1; i++) {
    for (int j = i - 1; j >= max(i - x, 0); j--) {
      for (int k = i + 1; k < min(n, i + x); k++) {
        vector<int> a = {h[i], h[j], h[k]};
        vector<int> b = {i - j, k - j, k - i};
        sort(a.begin(), a.end());
        sort(b.begin(), b.end());
        res += a == b;
      }
    }
  }
  return res;
}

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

• Subtask 0: 0 / 0
• Subtask 1: 0 / 8
• Subtask 2: 0 / 6
• Subtask 3: 0 / 10
• Subtask 4: 0 / 11
• Subtask 5: 0 / 16
• Subtask 6: 0 / 19
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 5
• Subtask 10: 0 / 5
• Subtask 11: 0 / 5
• Subtask 12: 0 / 5