codeforces contest 1082 E. Increasing Frequency

11-30

[Codeforces]Contest 1009 E. Intercity Travelling

07-15

[hihoCoder]1777 彩球

07-13

[POJ]1061 青蛙的约会

07-13

[POJ]1150 The Last Non-zero Digit

07-13

[Codeforces]Contest 1005 E2. Median on Segments (General Case Edition)

07-11

HDU 1711 Number Sequence ——KMP

03-14

CodeForces 891 A. Pride

02-27

CodeForces 699C Vacations——动态规划

02-08

HYSBZ 1216: [HNOI2003]操作系统

02-07