Codeforces 1355A. Sequence with Digits Solution

 ///La ilaha illellahu muhammadur rasulullah

///******Bismillahir-Rahmanir-Rahim******///

///Abul Hasnat  Tonmoy

///Department of CSE,23rd batch

///Islamic University,Bangladesh

1. #include <bits/stdc++.h>
2. using namespace std;
3. int main()
4. {
5. long long t;
6. cin>>t;
7. while(t--)
8. {
9. long long a,k,x,y,n;
10. cin>>a>>k;
11. for(int i=2; i<=k; i++)
12. {
13. x=9,y=0,n=a;
14. while(n)
15. {
16. x=min(x,n%10);
17. y=max(y,n%10);
18. n=n/10;
19. }
20. if(x==0)
21. break;
22. a+=(x*y);
23. }
24. cout<<a<<endl;
25. }
26. }