func_code_string: #include <bits/stdc++.h>   #pragma GCC optimize( -Ofast ,  -funroll-all-loops )   using namespace std;   long long a, k, res;   inline long long check(long long x) {     while (x) {       if (x % 10 == 0) return 1;       x /= 10;     }     return 0;   }   inline long long f(long long x) {     long long res = 0;     while (x) res = max(res, x % 10), x /= 10;     return res;   }   inline long long g(long long x) {     long long res = 10;     while (x) res = min(res, x % 10), x /= 10;     return res;   }   inline void solve() {     cin >> a >> k;     res = k;     if (k == 1) return printf( %lld n , a), void();     for (long long i = 2; i <= k; i++) {       if (check(a)) break;       a = a + f(a) * g(a);     }     printf( %lld n , a);   }   signed main() {     long long T;     cin >> T;     while (T--) solve();     return 0;   }   