func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, a[1005];   bool t[1005];   int main() {     scanf( %d , &n);     for (int i = 0; i < n; i++) scanf( %d , &a[i]);     memset(t, 0, sizeof(t));     int count = 0;     int taken = 0;     bool right = true;     while (1) {       if (right) {         for (int i = 0; i < n; i++) {           if (taken >= a[i] && !t[i]) {             t[i] = true;             taken++;           }         }       } else {         for (int i = n - 1; i >= 0; i--) {           if (taken >= a[i] && !t[i]) {             t[i] = true;             taken++;           }         }       }       if (taken == n) break;       count++;       right = !right;     }     printf( %d n , count);     return 0;   }   