Submission #1250495

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250495		fadyscube	Triple Peaks (IOI25_triples)	C++20	6.55 / 100	1171 ms	1972 KiB

triples

#include "triples.h"
#include <set>

using namespace std;

long long count_triples(std::vector<int> H) {
  long long ans = 0;
  int n = H.size();
  for (int i = 0; i < n-2; i++) {
    for (int j = i+1; j < min(i+11, n-1); j++) {
      for (int k = j+1; k < min(i+11, n); k++) {
        multiset<int> hs = {H[i], H[j], H[k]};
        multiset<int> ds = {j-i, k-i, k-j};
        if (hs == ds) ans++;
      }
    }
  }
  return ans;
}

std::vector<int> construct_range(int M, int K) {
  vector<int> v;
  for (int i = 0; i < 1666; i++) {
    v.push_back(1);
    v.push_back(1);
    v.push_back(2);
  }
  v.push_back(1);
  v.push_back(1);
  return v;
}

• 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: 0.4998 / 5
• Subtask 10: 0.0357 / 5
• Subtask 11: 0.0125 / 5
• Subtask 12: 0.0021 / 5