func_code_string: #include <bits/stdc++.h>   using namespace std;   const int M = 1e5 + 10;   char s[M];   map<char, int> mp;   int main() {     int n;     scanf( %d , &n);     scanf( %s , s);     for (int i = 0; i < n; i++) {       mp[s[i]]++;     }     int minn1 = M;     if (mp[ o ] && mp[ n ] && mp[ e ]) {       minn1 = min(minn1, mp[ o ]);       minn1 = min(minn1, mp[ n ]);       minn1 = min(minn1, mp[ e ]);       mp[ o ] -= minn1;       mp[ e ] -= minn1;     }     int minn2 = M;     if (mp[ z ] && mp[ e ] && mp[ r ] && mp[ o ]) {       minn2 = min(minn2, mp[ z ]);       minn2 = min(minn2, mp[ e ]);       minn2 = min(minn2, mp[ r ]);       minn2 = min(minn2, mp[ o ]);     }     if (minn1 == M) minn1 = 0;     if (minn2 == M) minn2 = 0;     for (int i = 1; i <= minn1; i++) printf( 1  );     for (int i = 1; i <= minn2; i++) printf( 0  );     return 0;   }   