05-08

uva 550 - Multiplying by Rotation

05-07

uva 107 - The Cat in the Hat

05-04

uva 10025 - The ? 1 ? 2 ? ... ? n = k problem

05-03

uva 10014 - Simple calculations

05-02

uva 10061 - How many zero's and how many digits ?

04-14

uva 10177 - (2/3/4)-D Sqr/Rects/Cubes/Boxes?

11-24

POJ百练 - 1183:反正切函数的应用

11-20

CSU OJ - 1207: 镇管的难题(判断一正整数是否可能是直角边)