qq_35874992的博客

题目：In this problem, your task is to calculate SUM(n) = 1 + 2 + 3 + … + n.Input 杭电OJ1001

题目：I have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B. HDOJ1002，易错点，解题思路。

题目：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. ^_^Input Input may contain multiple test cases. Each case contains A and B in o

题目：Given a sequence a[1],a[2],a[3]……a[n], your job is to calculate the max sum of a sub-sequence. For example, given (6,-1,5,4,-7), the max sum in this sequence is 6 + (-1) + 5 + 4 = 14. 杭电oj_1003_max sum

HDOJ_1004_Let the Balloon Rise

题目：A number sequence is defined as follows:f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7.Given A, B, and n, you are to calculate the value of f(n). 杭电oj1005

杭电oj2005, 题目： 给定一个日期，输出这个日期是该年的第几天。Input 输入数据有多组，每组占一行，数据格式为YYYY/MM/DD组成