2021 年 4月 20 日随笔档案 - Laurance

2021年4月20日

摘要：原题链接 https://codeforces.ml/contest/1514/problem/C Now you get Baby Ehab's first words: "Given an integer n, find the longest subsequence of [1,2,…,n−1 阅读全文

posted @ 2021-04-20 17:31 Laurance 阅读(229) 评论(0) 推荐(0) 编辑

B. AND 0, Sum Big

摘要：原题链接 https://codeforces.ml/contest/1514/problem/B Baby Badawy's first words were "AND 0 SUM BIG", so he decided to solve the following problem. Given 阅读全文

posted @ 2021-04-20 16:27 Laurance 阅读(103) 评论(0) 推荐(0) 编辑

A. Perfectly Imperfect Array

摘要：原题链接 https://codeforces.ml/contest/1514/problem/A Given an array a of length n, tell us whether it has a non-empty subsequence such that the product o 阅读全文

posted @ 2021-04-20 16:13 Laurance 阅读(132) 评论(0) 推荐(0) 编辑