#include <bits/stdc++.h>
#include "triples.h"
using namespace std;
using ll = long long;
bool cmp(int a, int b, int c, int ab, int ac, int bc) {
int H[3] = {a, b, c},
D[3] = {ab, ac, bc};
sort(H, H+3);
sort(D, D+3);
return H[0] == D[0] && H[1] == D[1] && H[2] == D[2];
}
// i know, n^3, im just curious, dont judge tnx <33
long long count_triples(std::vector<int> H) {
ll res = 0;
int N = H.size();
for (int i = 0; i < N; i++) {
for (int j = i + 1; j < N; j++) {
for (int k = j + 1; k < N; k++) {
res += cmp(H[i], H[j], H[k], j - i, k - i, k - j);
}
}
}
return res;
}
std::vector<int> construct_range(int M, int K) {
return {1, 1, 1};
}
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