Submission #20155377

---

Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main(){
	long long int b,c;
	cin >> b >> c;
	if(b==0){
		cout << c;
	}
	else if(c==1){
		cout << 2;
	}
	else{
	if(c>=2*b){
		if(c%2==1){
			cout << (abs(b)+(c-1)/2)*2;
		}
		else{
			if(b<0){
			cout << (abs(b)+c/2)*2;
			}
			else{
				cout << (abs(b)+c/2)*2-1;
			}
		}
	}
	else{
		if(b<0){
		cout << c*2;
		}
		else{
			cout << c*2-1;
		}
	}
}
	return 0;
}

Submission Info

Judge Result