func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long n, m, k, minn = 10000, a[1000], temp = 0;     cin >> n >> m >> k;     for (long long i = 0; i < n; i++) {       cin >> a[i];       if (a[i] <= k && a[i] != 0) {         temp = abs(i + 1 - m) * 10;         if (temp < minn) minn = temp;       }     }     cout << minn;     return 0;   }   