练36.1 矩阵对角线元素之和 - Problem Statistics - Hydro

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	long	713ms	4.1 MiB	Python 3	218 Bytes	2026-4-17 18:58:40

ID

143

Time

1000ms

Memory

64MiB

Difficulty

10

Tags

一本通编程启蒙

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