#include "triples.h"
#include <algorithm>
long long count_triples(std::vector<int> H) {
int N = (int) H.size();
if (N <= 100) {
long long ans = 0;
for (int i = 0; i < N; i++) {
for (int j = i + 1; j < N; j++) {
for (int k = j + 1; k < N; k++) {
if (H[i] == j - i && H[j] == k - j && H[k] == k - i) ++ans;
else if (H[i] == j - i && H[k] == k - j && H[j] == k - i) ++ans;
else if (H[j] == j - i && H[i] == k - j && H[k] == k - i) ++ans;
else if (H[j] == j - i && H[k] == k - j && H[i] == k - i) ++ans;
else if (H[k] == j - i && H[i] == k - j && H[j] == k - i) ++ans;
else if (H[k] == j - i && H[j] == k - j && H[i] == k - i) ++ans;
}
}
}
return ans;
}
return 0LL;
}
std::vector<int> construct_range(int M, int K) {
return {1, 1, 1};
}
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