|贴子

2016-09-06
代数+数论题，求助！数学竞赛吧
已知k为正整数,求满足下列两个条件的不超过10^k的非负整数n的个数 1. 3|n 2.n的各位数...
2016-08-01
rt_sigprocmask是什么错误?noip吧
rt
2016-07-28
SRM566 500PTS 求解topcoder吧
即PENGUIN EMPERORS这题，本渣渣不会，求教！
2016-07-28
topcoder srm 566 500 pts求解noip吧
Percy would like to become the Penguin Emperor. First, he must go on a long jour...