func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAX_N = 100005;   int n;   int m;   int cnt[MAX_N];   int a[MAX_N];   int main() {     scanf( %d %d , &m, &n);     for (int i = 1; i <= n; i++) {       scanf( %d , &a[i]);     }     int diff = 0;     for (int i = 1; i <= n; i++) {       cnt[a[i]]++;       if (cnt[a[i]] == 1) {         diff++;       }       if (diff == m) {         cout << 1;         for (int j = 1; j <= m; j++) {           cnt[j]--;           if (cnt[j] == 0) {             diff--;           }         }       } else {         cout << 0;       }     }     return 0;   }   