2021年8月5日
问题 A: Plus Matrix
摘要： 题目描述 Given is an N×N matrix C whose elements are non-negative integers. Determine whether there is a pair of sequences of non-negative integers A1,A2, 阅读全文
posted @ 2021-08-05 21:40 梨花满地 阅读(63) 评论(0) 推荐(0)
问题 L: Two Choices
摘要： 题目描述 N students took a test with M questions with two choices: 0 and 1. You are given N strings of length M each: S1,S2,…,SN. The k-th character of Si 阅读全文
posted @ 2021-08-05 20:35 梨花满地 阅读(49) 评论(0) 推荐(0)
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