#include "triples.h"
#include <bits/stdc++.h>
using namespace std;
long long count_triples(vector<int> v) {
long long res = 0;
int n = v.size();
for(int i = 0;i < n;i++){
if(v[i] == 1)continue;
int a = i + v[i];
if(a < n){
int b = a - v[a];
if(v[a] + v[b] == v[i]){
res++;
}
}
a = i - v[i];
if(a >= 0){
int b = a + v[a];
if(v[a] + v[b] == v[i]){
res++;
}
}
}
return res;
}
vector<int> construct_range(int M, int K) {
return {1, 1, 1};
}
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