随笔档案「2016年1月」 - cnxo

HDOJ 2076 夹角有多大(题目已修改,注意读题)

摘要：Problem Description 时间过的好快，一个学期就这么的过去了，xhd在傻傻的看着表，出于对数据的渴望，突然他想知道这个表的时针和分针的夹角是多少。现在xhd知道的只有时间，请你帮他算出这个夹角。注：夹角的范围[0，180]，时针和分针的转动是连续而不是离散的。Inp... 阅读全文

posted @ 2016-01-31 22:21 cnxo 阅读(136) 评论(0) 推荐(0)

HDOJ 2058 The sum problem

摘要：Problem Description Given a sequence 1,2,3,……N, your job is to calculate all the possible sub-sequences that the sum of the sub-sequence is M... 阅读全文

posted @ 2016-01-31 21:48 cnxo 阅读(136) 评论(0) 推荐(0)

HDOJ 2099 整除的尾数

摘要：Problem Description 一个整数，只知道前几位，不知道末二位，被另一个整数除尽了，那么该数的末二位该是什么呢？Input 输入数据有若干组，每组数据包含二个整数a，b（ 0=0)&&((b*i)-a<100)){ if((b*i... 阅读全文

posted @ 2016-01-28 21:38 cnxo 阅读(109) 评论(0) 推荐(0)

HDOJ 2075 A|B?

摘要：Problem Description 正整数A是否能被正整数B整除，不知道为什么xhd会研究这个问题，来帮帮他吧。Input 输入数据的第一行是一个数据T，表示有T组数据。每组数据有两个正整数A和B(A,B0){ int a = sc.nextInt();... 阅读全文

posted @ 2016-01-28 20:56 cnxo 阅读(89) 评论(0) 推荐(0)

HDOJ 2071 Max Num

摘要：Problem Description There are some students in a class, Can you help teacher find the highest student .Input There are some cases. The first ... 阅读全文

posted @ 2016-01-28 20:52 cnxo 阅读(180) 评论(0) 推荐(0)

HDOJ 2056 Rectangles

摘要：Problem Description Given two rectangles and the coordinates of two points on the diagonals of each rectangle,you have to calculate the area ... 阅读全文

posted @ 2016-01-28 20:20 cnxo 阅读(162) 评论(0) 推荐(0)

HDOJ 2055 An easy problem

摘要：Problem Description we define f(A) = 1, f(a) = -1, f(B) = 2, f(b) = -2, … f(Z) = 26, f(z) = -26; Give you a letter x and a number y , you sho... 阅读全文

posted @ 2016-01-27 17:22 cnxo 阅读(196) 评论(0) 推荐(0)

HDOJ 2053 Switch Game

摘要：Problem Description There are many lamps in a line. All of them are off at first. A series of operations are carried out on these lamps. On t... 阅读全文

posted @ 2016-01-27 16:33 cnxo 阅读(123) 评论(0) 推荐(0)

HDOJ 2052 Picture

摘要：Problem Description Give you the width and height of the rectangle,darw it.Input Input contains a number of test cases.For each case ,there a... 阅读全文

posted @ 2016-01-27 15:51 cnxo 阅读(133) 评论(0) 推荐(0)