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A 签到题 求出现次数最多的数的次数。 B. Binary String Constructing B. Binary String Constructing You are given three integers aa, bb and xx. Your task is to construct 阅读全文
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A. Balloons A. Balloons There are quite a lot of ways to have fun with inflatable balloons. For example, you can fill them with water and see what hap 阅读全文
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A. Nastya and an Array A. Nastya and an Array Nastya owns too many arrays now, so she wants to delete the least important of them. However, she discov 阅读全文
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C. Equal Sums C. Equal Sums You are given kk sequences of integers. The length of the ii-th sequence equals to nini. You have to choose exactly two se 阅读全文
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C. Three displays C. Three displays It is the middle of 2018 and Maria Stepanovna, who lives outside Krasnokamensk (a town in Zabaikalsky region), wan 阅读全文
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Bomb Game John and Jack, two mathematicians, created a game called “Bomb Game” at spared time. This game is played on an n*m chessboard. A pair of int 阅读全文