题解 | 构造A+B
构造A+B
https://www.nowcoder.com/practice/953806d9f41a4d5fbbab002ed61923ff
n, k = map(int, input().split()) # 当n < 2时,无法形成任何对; 当n >= 2时,最大可能的对数是n-1 if n >= 2 and k <= n-1: print('YES') else: print('NO')
构造A+B
https://www.nowcoder.com/practice/953806d9f41a4d5fbbab002ed61923ff
n, k = map(int, input().split()) # 当n < 2时,无法形成任何对; 当n >= 2时,最大可能的对数是n-1 if n >= 2 and k <= n-1: print('YES') else: print('NO')
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