Submission #1250554

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250554		nikd	Triple Peaks (IOI25_triples)	C++20	6 / 100	296 ms	1984 KiB

triples

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

long long count_triples(std::vector<int> H) {
  int n = H.size();
  ll sol = 0;
  vector<int> h(3);
  vector<int> d(3);
  for(int i = 0; i<n; i++){
    for(int k = i+2; k<=min(i+10, n-1); k++){
        for(int j = i+1; j<k; j++){
            h = {H[i], H[j], H[k]};
            d = {j-i, k-j, k-i};
            sort(h.begin(), h.end());
            sort(d.begin(), d.end());
            bool flag = 1;
            for(int ii = 0; ii<3; ii++) if(h[ii] != d[ii]) flag = 0;
            if(flag) sol++;
        }
    }   
  }
  return sol;
}

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

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