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2019年10月6日

Codeforces Round #586 (Div. 1 + Div. 2) D. Alex and Julian

摘要：链接: https://codeforces.com/contest/1220/problem/D 题意: Boy Dima gave Julian a birthday present set B consisting of positive integers. However, he didn' 阅读全文

posted @ 2019-10-06 12:26 YDDDD 阅读(194) 评论(0) 推荐(0) 编辑

Codeforces Round #586 (Div. 1 + Div. 2) C. Substring Game in the Lesson

摘要：链接: https://codeforces.com/contest/1220/problem/C 题意: Mike and Ann are sitting in the classroom. The lesson is boring, so they decided to play an inte 阅读全文

posted @ 2019-10-06 10:29 YDDDD 阅读(212) 评论(0) 推荐(0) 编辑

Codeforces Round #586 (Div. 1 + Div. 2) B. Multiplication Table

摘要：链接: https://codeforces.com/contest/1220/problem/B 题意: Sasha grew up and went to first grade. To celebrate this event her mother bought her a multiplic 阅读全文

posted @ 2019-10-06 10:10 YDDDD 阅读(181) 评论(0) 推荐(0) 编辑

Codeforces Round #586 (Div. 1 + Div. 2) A. Cards

摘要：链接: https://codeforces.com/contest/1220/problem/A 题意: When Serezha was three years old, he was given a set of cards with letters for his birthday. The 阅读全文

posted @ 2019-10-06 09:48 YDDDD 阅读(285) 评论(0) 推荐(0) 编辑

2019年10月5日

Educational Codeforces Round 73 (Rated for Div. 2) D. Make The Fence Great Again(DP)

摘要：链接: https://codeforces.com/contest/1221/problem/D 题意: You have a fence consisting of n vertical boards. The width of each board is 1. The height of th 阅读全文

posted @ 2019-10-05 20:21 YDDDD 阅读(151) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 73 (Rated for Div. 2) B. Knights(构造)

摘要：链接: https://codeforces.com/contest/1221/problem/B 题意: You are given a chess board with n rows and n columns. Initially all cells of the board are empt 阅读全文

posted @ 2019-10-05 19:11 YDDDD 阅读(136) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 73 (Rated for Div. 2) C. Perfect Team

摘要：链接: https://codeforces.com/contest/1221/problem/C 题意: You may have already known that a standard ICPC team consists of exactly three members. The perf 阅读全文

posted @ 2019-10-05 15:25 YDDDD 阅读(144) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 73 (Rated for Div. 2) A. 2048 Game

摘要：链接: https://codeforces.com/contest/1221/problem/A 题意: You are playing a variation of game 2048. Initially you have a multiset s of n integers. Every i 阅读全文

posted @ 2019-10-05 15:23 YDDDD 阅读(180) 评论(0) 推荐(0) 编辑

2019年10月4日

Codeforces Round #587 (Div. 3) D. Swords

摘要：链接: https://codeforces.com/contest/1216/problem/D 题意: There were n types of swords in the theater basement which had been used during the plays. Moreo 阅读全文

posted @ 2019-10-04 20:25 YDDDD 阅读(194) 评论(0) 推荐(0) 编辑

Codeforces Round #587 (Div. 3) C. White Sheet

摘要：链接: https://codeforces.com/contest/1216/problem/C 题意: There is a white sheet of paper lying on a rectangle table. The sheet is a rectangle with its si 阅读全文

posted @ 2019-10-04 19:59 YDDDD 阅读(122) 评论(0) 推荐(0) 编辑

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