C++-判断-闰年平年，输入四位整数的年份，判断该年是闰年还是平年
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Background
Description
C++-判断-闰年平年，输入四位整数的年份，判断该年是闰年还是平年
Format
Input
Output
Samples
2023
平年
2000
闰年
1900
平年
Limitation
1s, 1024KiB for each test case.
