func_code_string: #include <bits/stdc++.h>   using namespace std;   int ans[200002] = {0};   void fill() {     for (int i = 0; i < 200002; i++) ans[i] = 1e7;   }   int main() {     fill();     int n;     cin >> n;     int arr[200002];     queue<int> q;     stack<int> st;     for (int i = 0; i < n; i++) {       cin >> arr[i];       if (arr[i] == 0) q.push(i), st.push(i);     }     for (int i = 0; i < n; i++) {       if (q.size() != 0) {         if (q.front() >= i)           ans[i] = q.front() - i;         else {           q.pop();           if (q.size() != 0) ans[i] = q.front() - i;         }       }     }     for (int i = n - 1; i >= 0; i--) {       if (st.size() != 0) {         if (st.top() <= i)           ans[i] = min(ans[i], i - st.top());         else {           st.pop();           if (st.size() != 0) ans[i] = min(ans[i], i - st.top());         }       }     }     for (int i = 0; i < n; i++) cout << ans[i] <<    ;     return 0;   }   