meekyan - 博客园

2015年12月28日

摘要： Archaeologists have discovered a new set of hidden caves in one of the Egyptian pyramids. The decryption of ancient hieroglyphs on the walls nearby sh... 阅读全文

posted @ 2015-12-28 21:46 meekyan 阅读(236) 评论(0) 推荐(0)

UVA 11401 - Triangle CountingTriangle Counting 数学

摘要： You are given n rods of length 1,2, . . . , n. You have to pick any 3 of them and build a triangle. Howmany distinct triangles can you make? Note that... 阅读全文

posted @ 2015-12-28 19:53 meekyan 阅读(248) 评论(0) 推荐(0)

UVA 11806 Cheerleaders dp+容斥

摘要： In most professional sporting events, cheerleaders play a major role in entertaining the spectators. Theirroles are substantial during breaks and prio... 阅读全文

posted @ 2015-12-28 17:04 meekyan 阅读(385) 评论(0) 推荐(0)

Educational Codeforces Round 4 D. The Union of k-Segments 排序

摘要： D. The Union of k-SegmentsYou re givennsegments on the coordinate axisOxand the numberk. The point issatisfiedif it belongs to at leastksegments. Find... 阅读全文

posted @ 2015-12-28 14:37 meekyan 阅读(307) 评论(0) 推荐(0)

2015年12月27日

Codeforces Round #337 (Div. 2) C. Harmony Analysis 数学

摘要： C. Harmony AnalysisThe semester is already ending, so Danil made an effort and decided to visit a lesson on harmony analysis to know how does the prof... 阅读全文

posted @ 2015-12-27 22:35 meekyan 阅读(316) 评论(1) 推荐(1)

Codeforces Round #337 (Div. 2) B. Vika and Squares 水题

摘要： B. Vika and SquaresVika hasnjars with paints of distinct colors. All the jars are numbered from1tonand thei-th jar containsailiters of paint of colori... 阅读全文

posted @ 2015-12-27 22:29 meekyan 阅读(297) 评论(1) 推荐(0)

Codeforces Round #337 (Div. 2) A. Pasha and Stick 水题

摘要： A. Pasha and StickPasha has a wooden stick of some positive integer lengthn. He wants to perform exactly three cuts to get four parts of the stick. Ea... 阅读全文

posted @ 2015-12-27 22:25 meekyan 阅读(252) 评论(0) 推荐(0)

POJ2402/UVA 12050 Palindrome Numbers 数学思维

摘要： A palindrome is a word, number, or phrase that reads the same forwards as backwards. For example,the name “anna” is a palindrome. Numbers can also be ... 阅读全文

posted @ 2015-12-27 15:25 meekyan 阅读(367) 评论(0) 推荐(0)

2015年12月26日

UVA 11076 Add Again 计算对答案的贡献+组合数学

摘要： A pair of numbers has a unique LCM but a single number can be the LCM of more than one possiblepairs. For example 12 is the LCM of (1, 12), (2, 12), (... 阅读全文

posted @ 2015-12-26 17:50 meekyan 阅读(248) 评论(0) 推荐(0)

UVA 10892 LCM Cardinality 数学

摘要： A pair of numbers has a unique LCM but a single number can be the LCM of more than one possiblepairs. For example 12 is the LCM of (1, 12), (2, 12), (... 阅读全文

posted @ 2015-12-26 17:45 meekyan 阅读(302) 评论(0) 推荐(0)

Meek

Time to sleep! again.

公告