func_code_string: #include <bits/stdc++.h>   int dx[] = {-1, 0, 1, 0};   int dy[] = {0, 1, 0, -1};   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     int n;     cin >> n;     int a[n];     for (int i = 0; i < n; i++) cin >> a[i];     bool flag = false;     for (int i = 1; i < n - 1; i++) {       if ((1ll * (a[i] - a[0]) * (a[i] - a[i + 1])) > 0) {         cout << 3 <<   n ;         cout << 1 <<     << (i + 1) <<     << (i + 2) <<   n ;         flag = true;         break;       }     }     if (!flag) cout << 0 <<   n ;   }   