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UID: 9723, Registered at 1 year ago, last login at 2 months ago, currently offline.

Solved 13 problems, RP: 22.6 (No. 192)

This person is lazy and didn't write anything.

P1593

P1573

P1523

This person is lazy and didn't join any contests or homework.

This person is lazy and didn't write any solutions.

DFS: 2
其他: 1
排序: 1
拓扑排序: 1