新月

Problem DescriptionContest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges' favorite time is guessing the most popular problem. When the contest i

Problem DescriptionArbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the same currency. For example, suppose that 1 US D

Problem DescriptionIgnatius is so lucky that he met a Martian yesterday. But he didn't know the language the Martians use. The Martian gives him a history book of Mars and a dictionary when it leave

Problem Description夏天来了~~好开心啊,呵呵,好多好多水果~~Joe经营着一个不大的水果店.他认为生存之道就是经营最受顾客欢迎的水果.现在他想要一份水果销售情况的明细表,这样Joe就可以很容易掌握所有水果的销售情况了. Input第一行正整数N(0每组测试数据的第一行是一个整数M(0 Output对于每一组测试数据,请你输出一

Problem Description小度熊拿到了一个无序的数组，对于这个数组，小度熊想知道是否能找到一个k 的区间，里面的 k 个数字排完序后是连续的。现在小度熊增加题目难度，他不想知道是否有这样的 k 的区间，而是想知道有几个这样的 k 的区间。 Input输入包含一组测试数据。第一行包含两个整数n，m，n代表数组中有多少个数字，m 代表

DescriptionMirko is a huge fan of chess and programming, but typical chess soon became boring for him, so he started having fun with rook pieces. He found a chessboard with N rows and N columns

Problem DescriptionThere are no days and nights on byte island, so the residents here can hardly determine the length of a single day. Fortunately, they have invented a clock with several pointers