Submission #1258100

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258100		avighna	Triple Peaks (IOI25_triples)	C++20	6 / 100	181 ms	1984 KiB

triples

#include <bits/stdc++.h>

long long count_triples(std::vector<int> H) {
  long long ans = 0;
  for (int i = 0; i < H.size(); ++i) {
    for (int j = i + 1; j < H.size() and j - i <= 10; ++j) {
      for (int k = j + 1; k < H.size() and k - j <= 10; ++k) {
        if (k - i > 10) {
          continue;
        }
        std::array<int, 3> a = {j - i, k - j, k - i};
        std::array<int, 3> b = {H[i], H[j], H[k]};
        std::sort(a.begin(), a.end());
        std::sort(b.begin(), b.end());
        ans += a == b;
      }
    }
  }
  return ans;
}

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

• Subtask 0: 0 / 0
• Subtask 1: 0 / 8
• Subtask 2: 6 / 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