Codeforces Even Odds

116 阅读 0 评论 77 点赞

我是靠谱客的博主专注奇异果，这篇文章主要介绍Codeforces Even Odds，现在分享给大家，希望可以做个参考。

题目链接：http://codeforces.com/problemset/problem/318/A

复制代码

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

import java.util.Scanner;
public class EvenOdds {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
Long n = scanner.nextLong();
Long k = scanner.nextLong();
Long number = (long) 0;
if(n % 2 == 0) {
if(k > n/2) {
k -= n/2;
number = 2 * k;
} else {
number = 2 * k -1;
}
}
else {
if(k > n/2 + 1) {
k -= (n/2 + 1);
number = 2 * k;
} else {
number = 2 * k -1;
}
}
System.out.println(number);
}
}