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2019年12月17日

Codeforces Round #603 (Div. 2) C. Everyone is a Winner! （数学）

摘要：链接： https://codeforces.com/contest/1263/problem/C 题意： On the well known testing system MathForces, a draw of n rating units is arranged. The rating wi 阅读全文

posted @ 2019-12-17 12:43 YDDDD 阅读(184) 评论(0) 推荐(0) 编辑

Codeforces Round #603 (Div. 2) B. PIN Codes

摘要：链接： https://codeforces.com/contest/1263/problem/B 题意： A PIN code is a string that consists of exactly 4 digits. Examples of possible PIN codes: 7013, 阅读全文

posted @ 2019-12-17 12:40 YDDDD 阅读(155) 评论(0) 推荐(0) 编辑

Codeforces Round #603 (Div. 2) A. Sweet Problem(数学）

摘要：链接： https://codeforces.com/contest/1263/problem/A 题意： You have three piles of candies: red, green and blue candies: the first pile contains only red c 阅读全文

posted @ 2019-12-17 12:13 YDDDD 阅读(225) 评论(0) 推荐(0) 编辑

2019年12月15日

Codeforces Round #605 (Div. 3) E. Nearest Opposite Parity（最短路）

摘要：链接： https://codeforces.com/contest/1272/problem/E 题意： You are given an array a consisting of n integers. In one move, you can jump from the position i 阅读全文

posted @ 2019-12-15 23:53 YDDDD 阅读(416) 评论(2) 推荐(0) 编辑

Codeforces Round #605 (Div. 3) D. Remove One Element（DP）

摘要：链接： https://codeforces.com/contest/1272/problem/D 题意： You are given an array a consisting of n integers. You can remove at most one element from this 阅读全文

posted @ 2019-12-15 23:47 YDDDD 阅读(234) 评论(0) 推荐(0) 编辑

Codeforces Round #605 (Div. 3) C. Yet Another Broken Keyboard

摘要：链接： https://codeforces.com/contest/1272/problem/C 题意： Recently, Norge found a string s=s1s2…sn consisting of n lowercase Latin letters. As an exercise 阅读全文

posted @ 2019-12-15 23:44 YDDDD 阅读(247) 评论(0) 推荐(0) 编辑

Codeforces Round #605 (Div. 3) B. Snow Walking Robot（构造）

摘要：链接： https://codeforces.com/contest/1272/problem/B 题意： Recently you have bought a snow walking robot and brought it home. Suppose your home is a cell ( 阅读全文

posted @ 2019-12-15 23:42 YDDDD 阅读(304) 评论(0) 推荐(0) 编辑

Codeforces Round #605 (Div. 3) A. Three Friends(贪心)

摘要：链接： https://codeforces.com/contest/1272/problem/A 题意： outputstandard output Three friends are going to meet each other. Initially, the first friend st 阅读全文

posted @ 2019-12-15 23:41 YDDDD 阅读(309) 评论(0) 推荐(0) 编辑

2019年12月11日

HDU-2196-Computer(树上DP)

摘要：链接： http://acm.hdu.edu.cn/showproblem.php?pid=2196 题意： A school bought the first computer some time ago(so this computer's id is 1). During the recent 阅读全文

posted @ 2019-12-11 14:32 YDDDD 阅读(122) 评论(0) 推荐(0) 编辑

2019年12月10日

LightOJ - 1333 - Grid Coloring

摘要：链接： https://vjudge.net/problem/LightOJ 1333 题意： You have to color an M x N two dimensional grid. You will be provided K different colors for this. You 阅读全文

posted @ 2019-12-10 22:08 YDDDD 阅读(287) 评论(0) 推荐(0) 编辑

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