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89860 篇文章 33 次评论编程题：Dripping Water Wears Through a Stone
Dripping water wears away stone is an idiom, which originated from the 《Chinese book • Meicheng biography》by Ban Gu of t…
编程题：Assign Cookies
Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most on…
编程题：Integer Solution
There are two integers $x$ and $y$. The sum of $x$ and $y$ equals an integer $n$ and $x$ multiplied by $y$ equal to anot…
编程题：A Mathematical Curiosity
Given two integers n and m, count the number of pairs of integers $(a,b)$ such that $0 < a < b < n$ and $(a^2+b…
编程题：Segment Tree
Today HH is learning a new data structure named segment tree, which is often used to solve segment problem, here comes…
编程题：Factor Difference
Cuber QQ is finding the minimal interesting number. An interesting number $x$ satisfies:$x$ is a positive integer;$x$ ha…
编程题：Here, Sign In
In geometry, a cuboid is a convex polyhedron bounded by six quadrilateral faces, whose polyhedral graph is the same as t…
编程题：Rabbit
What a cute rabbit! Mr.Gree has a lot of cute rabbits in the farm, and every rabbit has a number $a_1, a_2, a_3...a_n$.…
编程题：Apple
There are a box of apples,which contains N apples. You're going to give them to M person. It is required that everyone m…