Blackops
初心易得,始终难守
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2018
04-08
CF Educational #41 A B C D E
02-03
CF Educational #37 A B C E F G
2017
11-23
POJ 3494 Largest Submatrix of All 1’s(单调栈入门题)
11-02
HDU 5952 Counting Cliques(DFS+剪枝)
10-30
HDU 1512 Monkey King(并查集+pd_ds库可并堆的应用)
10-30
HDU 5056 Boring count(尺取法)