#A. 每月天数

    Type: Default 1000ms 256MiB

每月天数

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Background

Description

image

image

Format

Input

Output

Samples

2022
1
31
2020
2
29

Limitation

1s, 1024KiB for each test case.

试卷

Not Claimed
Status
Done
Problem
3
Open Since
2024-4-7 0:00
Deadline
2024-4-15 23:59
Extension
24 hour(s)