func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long r;     vector<long long> a;     cin >> r;     for (int i = 0; i < r; i++) {       long long aux;       cin >> aux;       a.push_back(aux);     }     a.push_back(a[0]);     long long n = 0, m = 1;     long long min = abs(a[0] - a[1]);     for (int i = 1; i < r; i++) {       if (abs(a[i] - a[i + 1]) < min) {         n = i % r;         m = (i + 1) % r;         min = abs(a[i] - a[i + 1]);       }     }     cout << n + 1 <<     << m + 1;     return 0;   }   