func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int containsDigit(long long int number, long long int digit) {     while (number != 0) {       int curr_digit = number % 10;       if (curr_digit == digit) return 1;       number /= 10;     }     return 0;   }   long long int soltn(long long int x, long long int n) {     if (x >= 0)       return x % n;     else       return n + x % n;   }   long long int bin_srch(long long int L[], long long int N, long long int item) {     long long int flag = -2;     int l = 0, u = N - 1, m;     while (l <= u) {       m = (l + u) / 2;       if (item == L[m]) {         flag = m - 1;         break;       } else if (item > L[m])         l = m - 1;       else         u = m + 1;     }     return flag;   }   long long int modExp(long long int b, long long int p) {     long long int res = 1;     while (p > 0) {       if (p & 1) {         res = (res * b) % 1000000007;       }       b = (b * b) % 1000000007;       p >>= 1;     }     return res;   }   long long int properdiv(long long int x, long long int y) {     if (x % y == 0)       return x / y;     else       return x / y + 1;   }   long long int coda(long long int n, long long int d) {     long long int count = 0;     while (n != 0) {       if (n % 10 == d) count++;       n /= 10;     }     return count;   }   long long int mdls(long long int x) { return max(x, -x); }   int main() {     long long int i, j, k, N;     cin >> N;     string s;     cin >> s;     long long int z = 0, e = 0, n = 0, r = 0, o = 0;     for (long long int i = 0; i < N; i++) {       if (s[i] ==  z )         z++;       else if (s[i] ==  e )         e++;       else if (s[i] ==  r )         r++;       else if (s[i] ==  o )         o++;       else if (s[i] ==  n )         n++;     }     long long int one = min(min(o, n), e);     e = e - min(min(o, n), e);     o = o - min(min(o, n), e);     n = n - min(min(o, n), e);     long long int zero = min(min(z, e), min(r, o));     for (long long int i = 0; i < one; i++) cout << 1 <<    ;     for (long long int i = 0; i < zero; i++) cout << 0 <<    ;     cout << endl;     return 0;   }   