A. The number of positions1000 / 思维

Posted 2021-10-07 幽殇默

https://codeforces.com/problemset/problem/124/A

#include<bits/stdc++.h>
using namespace std;
int main(void)
{
	int n,a,b; cin>>n>>a>>b;
	int ans1=n-a;
	int ans2=b+1;
	cout<<min(ans1,ans2); 
	return 0;
}