func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int min1(long long int a) {     long long int mx = 0, mi = 10;     while (a) {       mx = max(mx, a % 10);       mi = min(mi, a % 10);       a /= 10;     }     return mi * mx;   }   int main() {     int t;     cin >> t;     while (t--) {       long long int a, k;       cin >> a >> k;       long long int tem = min1(a);       while (--k && tem != 0) {         a = a + tem;         tem = min1(a);       }       cout << a << endl;     }     return 0;   }   