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B. Chtholly's requesttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard output— Thanks a lot for today.— I experienced so many great things.— You gave

**A. Diversity** time limit per test :1 second memory limit per test: 256 megabytes input: standard input output: standard outputCalculate the minimum number of

B. Sorting the Coins time limit per test： 1 second memory limit per test： 512 megabytes input： standard input output： standard outputRecently, Dima met

Jamie loves sleeping. One day, he decides that he needs to wake up at exactly hh: mm. However, he hates waking up, so he wants to make waking up less painful by setting the alarm at a lucky time. He wi

题目：You are given a string A. Find a string B, where B is a palindrome and A is a subsequence of B.A subsequence of a string is a string that can be derived from it by deleting some (not necessarily con

题目：As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i like

题目：Eleven wants to choose a new name for herself. As a bunch of geeks, her friends suggested an algorithm to choose a name for her. Eleven wants her name to have exactly n characters. Her friend sug

这道题目很明显的就是一道翻译题 很简单没有坑 这里就不详细解释了，详解请看代码。题目：Dima has a hamsters farm. Soon N hamsters will grow up on it and Dima will sell them in a city nearby.Hamsters should be transported in boxes. If some box is

We consider a positive integer perfect, if and only if the sum of its digits is exactly 10. Given a positive integer k, your task is to find the k-th smallest perfect positive integer.Input A single l

题目时空门We often go to supermarkets to buy some fruits or vegetables, and on the tag there prints the price for a kilo. But in some supermarkets, when asked how much the items are, the clerk will say that

题目时空门Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use the

题目时空门Your friend has n cards.You know that each card has a lowercase English letter on one side and a digit on the other.Currently, your friend has laid out the cards on a table so only one side of eac

**A. The Meaningless Game** time limit per test: 1 second memory limit per test:256 megabytes input: standard input output: standard outputSlastyona and her loy