Codeaforces 1335 A. Candies and Two Sisters Solution

1. Solution in C++:
2. ///**********ALLAH IS ALMIGHTY************///
3. ///AH Tonmoy
4. ///Department of CSE,23rd batch
5. ///Islamic University,Bangladesh
6. #include<bits/stdc++.h>
7. using namespace std;
8. int main()
9. {
10. int t,n,i,j;
11. while(cin>>t)
12. {
13. while(t--)
14. {
15. cin>>n;
16. if(n>2)
17. {
18. if(n%2==1)
19. {
20. cout<<n/2<<endl;
21. }
22. else
23. cout<<(n/2)-1<<endl;
24. }
25. else
26. cout<<"0"<<endl;
27. }
28. }
29. }