func_code_string: #include <bits/stdc++.h>   #pragma comment(linker, ”/ STACK : 38777216“   using namespace std;   const int N = 200005;   const int inf = 1000 * 1000 * 1000;   const int mod = 1000 * 1000 * 1000 + 7;   int n, a[N];   set<int> q;   set<int>::iterator it;   int main() {     scanf( %d , &n);     for (int i = 1; i <= n; i++) {       scanf( %d , &a[i]);       if (a[i] == 0) q.insert(i);     }     for (int i = 1; i <= n; i++) {       if (a[i] == 0)         printf( 0  );       else {         int answ = inf;         q.insert(i);         it = q.find(i);         ++it;         if (it != q.end()) answ = min(answ, *it - i);         --it;         if (it != q.begin()) {           --it;           answ = min(answ, i - *it);           ++it;         }         q.erase(i);         printf( %d  , answ);       }     }     cout << endl;     return 0;   }   