2015年3月30日

codeforces 339C Xenia and Bit Operations(线段树水题)

摘要: 转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudXenia and Bit OperationsXenia the beginner programmer has a sequencea, consisting of2nnon-negative int... 阅读全文

posted @ 2015-03-30 00:56 xyiyy 阅读(269) 评论(0) 推荐(0) 编辑

codeforces 339C Xenia and Weights(dp或暴搜)

摘要: 转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudXenia and WeightsXenia has a set of weights and pan scales. Each weight has an integer weight from 1 t... 阅读全文

posted @ 2015-03-30 00:53 xyiyy 阅读(340) 评论(0) 推荐(0) 编辑

codeforces 340E Iahub and Permutations(错排or容斥)

摘要: 转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudIahub and PermutationsIahub is so happy about inventing bubble sort graphs that he's staying all day l... 阅读全文

posted @ 2015-03-30 00:46 xyiyy 阅读(467) 评论(0) 推荐(0) 编辑

codeforces 340D Bubble Sort Graph(dp,LIS)

摘要: 转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudBubble Sort GraphIahub recently has learned Bubble Sort, an algorithm that is used to sort a permutati... 阅读全文

posted @ 2015-03-30 00:21 xyiyy 阅读(437) 评论(0) 推荐(0) 编辑

codeforces 340C Tourist Problem(公式题)

摘要: 转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudTourist ProblemIahub is a big fan of tourists. He wants to become a tourist himself, so he planned a t... 阅读全文

posted @ 2015-03-30 00:18 xyiyy 阅读(290) 评论(0) 推荐(0) 编辑

codeforces 342C Cupboard and Balloons(公式题)

摘要: 转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudC. Cupboard and BalloonsA girl named Xenia has a cupboard that looks like an arc from ahead. The arc i... 阅读全文

posted @ 2015-03-30 00:13 xyiyy 阅读(255) 评论(0) 推荐(0) 编辑

codeforces 342D Xenia and Dominoes(状压dp+容斥)

摘要: 转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudD. Xenia and DominoesXenia likes puzzles very much. She is especially fond of the puzzles that consist... 阅读全文

posted @ 2015-03-30 00:10 xyiyy 阅读(440) 评论(0) 推荐(0) 编辑

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