Submission #1251126

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251126		aryan12	Triple Peaks (IOI25_triples)	C++20	8 / 100	2096 ms	1964 KiB

triples

#include "triples.h"
#include <bits/stdc++.h>
using namespace std;

long long count_triples(std::vector<int> H) {
  long long ans = 0;
  int N = H.size();
  for(long long i = 0; i < N; i++) {
    for(long long j = i + 1; j < N; j++) {
      for(long long k = j + 1; k < N; k++) {
        std::vector<long long> index_diff = {j - i, k - i, k - j};
        sort(index_diff.begin(), index_diff.end());
        std::vector<long long> heights = {H[i], H[j], H[k]};
        sort(heights.begin(), heights.end());
        if(index_diff[0] == heights[0] && index_diff[1] == heights[1] && index_diff[2] == heights[2]) {
          ans += 1;
        }
      }
    }
  }
  return ans;
}

std::vector<int> construct_range(int M, int K) {
  // std::mt19937_64 RNG(std::chrono::steady_clock::now().time_since_epoch().count());
  // std::vector<int> peak_range;
  // for(int i = 0; i < M; i++) {
  //   peak_range.push_back(RNG() % 10 + 5);
  // }
  // return peak_range;
  return {};
}

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• Subtask 12: 0 / 5