func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     int t;     t = 1;     while (t--) {       int n, k, mx = 0, mn = 101, j;       cin >> n >> k;       int a[n];       for (int i = 0; i < n; i += 1) {         cin >> a[i];         mx = max(mx, a[i]);         mn = min(mn, a[i]);       }       if (mx - mn > k)         cout <<  NO ;       else {         cout <<  YES  <<   n ;         for (int i = 0; i < n; i += 1) {           for (j = 0; j < a[i] - 1; j++) {             cout << (j % k) + 1 <<    ;           }           cout << (j % k) + 1 <<   n ;         }       }     }     return 0;   }   