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2019年6月4日

Codeforces Round #563 (Div. 2) C. Ehab and a Special Coloring Problem

摘要：链接：https://codeforces.com/contest/1174/problem/C 题意： You're given an integer nn. For every integer ii from 22 to nn, assign a positive integer aiai su 阅读全文

posted @ 2019-06-04 12:48 YDDDD 阅读(262) 评论(0) 推荐(0)

Codeforces Round #563 (Div. 2) B. Ehab Is an Odd Person

摘要：链接：https://codeforces.com/contest/1174/problem/B 题意： You're given an array aa of length nn. You can perform the following operation on it as many time 阅读全文

posted @ 2019-06-04 12:46 YDDDD 阅读(214) 评论(0) 推荐(0)

Codeforces Round #563 (Div. 2) A. Ehab Fails to Be Thanos

摘要：链接：https://codeforces.com/contest/1174/problem/A 题意： You're given an array aa of length 2n2n. Is it possible to reorder it in such way so that the sum 阅读全文

posted @ 2019-06-04 12:44 YDDDD 阅读(164) 评论(0) 推荐(0)

HDU - 3966-Aragorn' Story(树链剖分+线段树)

摘要：链接：https://vjudge.net/problem/HDU-3966 题意： Our protagonist is the handsome human prince Aragorn comes from The Lord of the Rings. One day Aragorn find 阅读全文

posted @ 2019-06-04 08:38 YDDDD 阅读(170) 评论(0) 推荐(0)

2019年6月1日

I.Algorithm Choosing Mushrooms

摘要：链接：https://ac.nowcoder.com/acm/contest/908/I 题意： Baby bear and his good friends are very fond of mushrooms. On this day, they go to 402 mushroom field 阅读全文

posted @ 2019-06-01 17:51 YDDDD 阅读(298) 评论(0) 推荐(0)

G.Longest Palindrome Substring

摘要：链接：https://ac.nowcoder.com/acm/contest/908/G 题意： A palindrome is a symmetrical string, that is, a string read identically from left to right as well a 阅读全文

posted @ 2019-06-01 17:47 YDDDD 阅读(158) 评论(0) 推荐(0)

F.Cards with Numbers

摘要：链接：https://ac.nowcoder.com/acm/contest/908/F 题意： AFei has many cards. Each card has a number written on it. Now he wants to takes some out of his card 阅读全文

posted @ 2019-06-01 17:45 YDDDD 阅读(271) 评论(0) 推荐(0)

C.One Piece

摘要：链接：https://ac.nowcoder.com/acm/contest/908/C 题意： Luffy once saw a particularly delicious food, but he didn't have the money, so he asked Nami for mone 阅读全文

posted @ 2019-06-01 17:43 YDDDD 阅读(199) 评论(0) 推荐(0)

2019年5月27日

Codeforces Round #562 (Div. 2) C. Increasing by Modulo

摘要：链接：https://codeforces.com/contest/1169/problem/C 题意： Toad Zitz has an array of integers, each integer is between 00 and m−1m−1 inclusive. The integers 阅读全文

posted @ 2019-05-27 13:29 YDDDD 阅读(718) 评论(0) 推荐(0)

Codeforces Round #562 (Div. 2) B. Pairs

摘要：链接：https://codeforces.com/contest/1169/problem/B 题意： Toad Ivan has mm pairs of integers, each integer is between 11 and nn, inclusive. The pairs are ( 阅读全文

posted @ 2019-05-27 13:25 YDDDD 阅读(462) 评论(0) 推荐(0)

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