#2521. C++-GESP 2023-05认证二级-样题-单选题15(拓展01)

C++-GESP 2023-05认证二级-样题-单选题15(拓展01)

Background

Description

image

image

Format

Input

Output

Samples


42

Limitation

1s, 1024KiB for each test case.