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Doing Homework Problem Description Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives 阅读全文
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Description Now I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more difficult pro 阅读全文
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Star in Parentheses 题目描述 You are given a string S, which is balanced parentheses with a star symbol ' ' inserted. Any balanced parentheses can be cons 阅读全文
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Slimming Plan 题目描述 Chokudai loves eating so much. However, his doctor Akensho told him that he was overweight, so he finally decided to lose his weigh 阅读全文
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Progressive Scramble 题目描述 You are a member of a naive spy agency. For secure communication,members of the agency use a very simple encryption algorith 阅读全文
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Odd Gnome 题目描述 According to the legend of Wizardry and Witchcraft, gnomes live in burrows underground, known as gnome holes. There they dig up and eat 阅读全文
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GlitchBot 题目描述 One of our delivery robots is malfunctioning! The job of the robot is simple; it should follow a list of instructions in order to reach 阅读全文
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Canonical Coin Systems 题目描述 A coin system S is a finite (nonempty) set of distinct positive integers corresponding to coin values, also called denomin 阅读全文
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Bumped! 题目描述 Peter returned from the recently held ACM ICPC World finals only to find that his return flight was overbooked and he was bumped from the 阅读全文