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2021年4月17日
hdu2058The sum problem(等差数列求和公式)
摘要： 传送门 题目描述: Given a sequence 1,2,3,......N, your job is to calculate all the possible sub-sequences that the sum of the sub-sequence is M. 思路:当然是滑动窗口啦,l 阅读全文
posted @ 2021-04-17 20:22 cono奇犽哒 阅读(137) 评论(0) 推荐(0)