Codeforces 1363A - Odd Selection Solution

  Solution in C++: 

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

///AH Tonmoy

///Department of CSE,23rd batch

///Islamic University,Bangladesh 

1. #include <bits/stdc++.h>
2. using namespace std;
3. int main()
4. {
5. int t;
6. cin>>t;
7. while(t--)
8. {
9. int n,i,c,a,e=0,o=0,in;
10. cin>>n>>c;
11. for( i=0; i<n; i++)
12. {
13. cin>>in;
14. if(in%2==0)
15. e++;
16. else
17. o++;
18. }
19. if(o==0||(e==0&&c%2==0)||(n==c&&o%2==0))
20. cout<<"no"<<endl;
21. else
22. cout<<"yes"<<endl;
23. }
24. }