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Problem G. Birthday CakeBackgroundLucy and Lily are twins. Today is their birthday. Mother buys a birthday cake for them.Now we put the cake onto a De... 阅读全文
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Problem A. Minimum Scalar ProductThis contest is open for practice. You can try every problem as many times as you like, though we won't keep track of... 阅读全文
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Problem B.Cookie Clicker AlphaIntroductionCookie Clickeris a Javascript game by Orteil, where players click on a picture of a giant cookie. Clicking o... 阅读全文
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Problem A.Magic TrickSmall input6 pointsYou have solved this input set.Note:To advance to the next rounds, you will need to score 25 points. Solving just this problem will not give you enough points.ProblemRecently you went to a magic show. You were very impressed by one of the tricks, so you decide 阅读全文
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B. Ilya and Queriestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIlya the Lion wants to help all his friends with passing exams. They need to solve the following problem to pass the IT exam.You've got strings = s1s2...sn(nis the length of t 阅读全文
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A. Ilya and Bank Accounttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIlya is a very clever lion, he lives in an unusual city ZooVille. In this city all the animals have their rights and obligations. Moreover, they even have their own bank acco 阅读全文
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Red and BlackTime Limit:1000MSMemory Limit:30000KTotal Submissions:21102Accepted:11267DescriptionThere is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he can move to one of four adjacent tiles. But he can' 阅读全文
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D. Biridian Foresttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou're a mikemon breeder currently in the middle of your journey to become a mikemon master. Your current obstacle is go through the infamous Biridian Forest.The forestThe Biri 阅读全文
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B. Road Constructiontime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA country hasncities. Initially, there is no road in the country. One day, the king decides to construct some roads connecting pairs of cities. Roads can be traversed either way. 阅读全文
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A. Cakeminatortime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a rectangular cake, represented as anr × cgrid. Each cell either has an evil strawberry, or is empty. For example, a3 × 4cake may look as follows:The cakeminator 阅读全文