题解
2020-12-10
CF 1310D Tourism(随机化)
2020-12-03
CF 1188C Array Beauty(DP)
2020-11-05
CF 966C Big Secret(数论,贪心)
2020-11-04
HDU 6231 Kth number(二分,双指针)
2020-11-03
Luogu P2633 Count on a tree(主席树,树剖)
2020-10-31
CF 759C Nikita and stack(线段树)
2020-10-31
CF 264C Choosing Balls(DP)
2020-10-31
CF 264B Good Sequences(DP,数论)
2020-10-29
BZOJ 3653 谈笑风生(主席树)
2020-10-28
CF 1436E Complicated Computations(线段树)
2020-10-28
Luogu P1972 [SDOI2009] HH的项链(主席树)
2020-10-27
HDU 5807 Keep In Touch(DP)
2020-10-26
CF 292E Copying Data(线段树)
2020-10-25
HDU 6074 Phone Call(并查集)
2020-10-23
HDU 6071 Lazy Running(同余最短路)
2020-10-23
Luogu P6852 Mex(思维)
2020-10-20
Luogu P3939 数颜色(主席树)
2020-10-10
HDU 4349 Xiao Ming's Hope(组合数学,卢卡斯定理)
2020-10-05
Luogu P2051 [AHOI2009]中国象棋(DP)
2020-10-05
Luogu P6293 [eJOI2017]经验(树形 DP)
2020-09-30
Luogu P3401 洛谷树(树链剖分)
2020-09-28
Luogu P3891 [GDOI2014]采集资源(DP)
2020-09-23
Luogu P4329 [COCI2006-2007#1] Bond(状态压缩,DP)