func_code_string: #include <bits/stdc++.h>   #define ll long long   using namespace std;      int main() {            int t;       cin>>t;              int arra[10] = { 0,                       3,                       17,                       151,                       1117,                       11941,                       117653,                       1219837,                       12176537,                       132176537       };              int arrb[10] = {0,                       7,                       23,                       191,                       1181,                       12071,                       129837,                       1329837,                       13298373,                       143298373       };                     while(t--)       {           int a, b, c, x=0, y=0, z = 0;           cin>>a>>b>>c;                          if(a==c || b == c)               {                   x = pow(10, a- 1);                   y = pow(10, b- 1);               }               else               {                   z = arra[c];                   x = z * arra[a- c+ 1];                   y = z * arrb[b- c+ 1];               }                                             cout<<x<<   <<y<<endl;       }                             return 0;   }   