Codeforces 124 A - The number of positions Solution

  Solution in C++:

 ///La ilaha illellahu muhammadur rasulullah

///******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. long long n,a,b;
6. cin>>n>>a>>b;
7. cout<<min(n-a,b+1)<<endl;
8. }