#2521. C++-GESP 2023-05认证二级-样题-单选题15（拓展01）
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ID: 2521
Type: Default
1000ms
256MiB
Tried: 7
Accepted: 7
Difficulty: 9
Uploaded By:
吴泽宏 (wuzehong)
Tags> C++-GESP 2023-05认证二级-样题-单选题15（拓展01）
Background
Description
Format
Input
Output
Samples
42
Limitation
1s, 1024KiB for each test case.