Submission #3817193

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define elif else if
#define rep(i,n) for((i)=(0);(i)<(n);++(i))
#define str string
#define Cout(a) cout<<(a)<<endl;
int a,b,c,i,j,k,n,m,x,y,cnt=0,ans=0;
str s,t;

int main(){
  cin>>a>>b;
  cout<< min(b-1,a-b) <<endl;
  
  return 0;
}

Submission Info

Judge Result