david123

UID: 42015, Registered at 2026-5-26 23:12:03, last login at 2026-5-29 21:51:48, currently offline.

Solved 3 problems, RP: 19.1 (No. 13591)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4836
P4978
P4979
Recent Activities

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

哈希表: 2
模拟: 1
贪心算法: 1