why932346109的博客

转自：https://blog.youkuaiyun.com/u013480600/article/details/40652673Happy New Term!As having become a junior, xiaoA recognizes that there is not much time for her to AC problems, because there are some ot...

Recently, Dearboy buys a dart for his dormitory, but neither Dearboy nor his roommate knows how to play it. So they decide to make a new rule in the dormitory, which goes as follows:Given a numberN...

There are n points on the plane, Pi(xi, yi)(1 <= i <= n), and xi < xj (i<j). You begin at P1 and visit all points then back to P1. But there is a constraint:Before you reach the rightmos...

链接：https://acm.nowcoder.com/acm/problem/15362来源：牛客网题目描述给你一个长度为n且由a和b组成的字符串，你可以删除其中任意的部分（可以不删），使得删除后的子串“变化”次数小于等于m次且最长。变化：如果a[i]!=a[i+1]则为一次变化。（且新的字符串的首字母必须是'a'）如果初始串全为b，则输出0。输入描述:第一行...

链接：https://acm.nowcoder.com/acm/problem/21302来源：牛客网时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 524288K，其他语言1048576K64bit IO Format: %lld题目描述给你一个长度为50的数字串,问你有多少个子序列构成的数字可以被3整除答案对1e9+7取模输入描述:输入一个字符串，由...

链接：https://acm.nowcoder.com/acm/problem/21668来源：牛客网时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 524288K，其他语言1048576K64bit IO Format: %lld题目描述一个人如果在他很小的时候就自己赚过钱,他的一生都会过得非常节俭,因为他知道财富来之不易.作为一个勤俭节约的好孩子，牛牛决定...