#2362. C++-GESP 2023-06认证二级-选择题13(拓展)

C++-GESP 2023-06认证二级-选择题13(拓展)

Background

Description

image

image

Format

Input

Output

Samples


3 51
6 54
105
57
i
9

Limitation

1s, 1024KiB for each test case.