1510: ZZ love Cookies
Time Limit: 1 Sec Memory Limit: 64 MBSubmit: 228 Solved: 139
Description
One day, ZZ came to visit her friend LL and DD and saw that they have many cookies. The cookies are distributed into bags, As there are many cookies, ZZ decided that it’s no big deal if she steals a bag. However, she doesn’t want to her friends to quarrel because of nothing when they divide the cookies. That’s why ZZ wants to steal a bag with cookies so that the number of cookies in the remaining bags was even, that is, so that LL and DD could evenly divide into two (even 0 remaining cookies will do, just as any other even number). How many ways there are to steal exactly one cookies bag so that the total number of cookies in the remaining bags was even?
Input
The first line contains the only integer n (1
上一篇：C++ STL
