摘要：一直以来都没有比赛完写总结的习惯，导致前面几次比赛都没有写过总结。 这是我写的第一场总结把，有时间有想法还记得细节的话再把前面几次比赛的总结给补上把。 热身赛： 热身赛的时候，写的比较急想着快点做出题，队友B看懂了A题发现是一个水题当时过的人也挺多的，就想着赶紧写完交，写完后过了样例就提交了，然后就 阅读全文

摘要：You are given two positive integer numbers a and b. Permute (change order) of the digits of a to construct maximal number not exceeding b. No number i 阅读全文

摘要：Classy Numbers time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Let's call some positive 阅读全文

摘要：Ryuji is not a good student, and he doesn't want to study. But there are n books he should learn, each book has its knowledge a[i]a[i]. Unfortunately, 阅读全文

摘要：A prime number (or a prime) is a natural number greater than 11 that cannot be formed by multiplying two smaller natural numbers. Now lets define a nu 阅读全文

摘要：There's a beach in the first quadrant. And from time to time, there are sea waves. A wave ( xx , yy) means the wave is a rectangle whose vertexes are 阅读全文

摘要：Morgana is learning computer vision, and he likes cats, too. One day he wants to find the cat movement from a cat video. To do this, he extracts cat f 阅读全文