Problem Description 为自行解决学费，chx勤工俭学收入10000元以1年定期存入银行，年利率为3.7% 。利率 按年计算，表示100元存1年的利息为3.7元.实际上有时提前有时推迟取，因此实际利息按天 计算，1年按365天计算，因此Q天的...

Problem Description Consecutive sum come again. Are you ready? Go ~~ 1 = 0 + 1 2+3+4 = 1 + 8

Problem Description 给定一系列2维平面点的坐标(x, y)，其中x和y均为整数，要求用一个最小的长方形框将所有点框在内。长方形框的边分别平行于x和y坐标轴，点落在边上也算是被框在内。...

Problem Description Many classmates said to me that A+B is must needs. If you can’t AC this problem, you would invite me for night meal. ^_^

Problem Description Happy new year to everybody! Now, I want you to guess a minimum number x betwwn 1000 and 9999 to let (1) x % a = 0; (2) (x+1) % b = ...

Problem Description Are you excited when you see the title “AC” ? If the answer is YES , AC it ;

Problem Description 挂盐水的时候，如果滴起来有规律，先是滴一滴，停一下；然后滴二滴，停一下；再滴三滴，停一下…，现在有一个问题：这瓶盐水一共有VUL毫升，每一滴是D毫升，每一滴的速度是一秒（假设最后一滴不到D毫升，则花费的时间也算...

Problem Description Jackson wants to know his rank in the class. The professor has posted a list of student numbers and marks. Compute Jackson’s rank in class...

Problem Description 大家提到LTC都佩服的不行，不过，如果竞赛只有这一个题目，我敢保证你和他绝对在一个水平线上！ 你的任务是： 计算方程x^2+y^2+z^2= num的一个正整数解。...

Problem Description As you know, Gardon trid hard for his love-letter, and now he’s spending too much time on choosing flowers for Angel. When Gardon entere...