随笔分类 -  编程题解

摘要:1987: 绚丽的手链 Submit Page Summary Time Limit: 6 Sec Memory Limit: 512 Mb Submitted: 13 Solved: 2 Description 小X的妹妹马上就要过生日了,作为哥哥,小X打算买一些手链送给妹妹。 采购完礼物回到家的 阅读全文
posted @ 2017-08-31 19:33 红雨520 阅读(163) 评论(0) 推荐(0)
摘要:Duizi and Shunzi Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 0 Accepted Submission(s): 0 Prob 阅读全文
posted @ 2017-08-31 19:22 红雨520 阅读(207) 评论(0) 推荐(0)
摘要:CS Course Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 0 Accepted Submission(s): 0 Problem Des 阅读全文
posted @ 2017-08-31 19:12 红雨520 阅读(181) 评论(0) 推荐(0)
摘要:Covering Time Limit: 5000/2500 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 0 Accepted Submission(s): 0 Problem Desc 阅读全文
posted @ 2017-08-31 19:07 红雨520 阅读(156) 评论(0) 推荐(0)
摘要:Color it Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 0 Accepted Submission(s): 0 Problem 阅读全文
posted @ 2017-08-31 19:01 红雨520 阅读(169) 评论(0) 推荐(0)
摘要:A Math Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 0 Accepted Submission(s): 0 Proble 阅读全文
posted @ 2017-08-31 18:54 红雨520 阅读(208) 评论(0) 推荐(0)
摘要:Clock Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5870 Accepted Submission(s): 1872 Problem D 阅读全文
posted @ 2017-03-17 11:34 红雨520 阅读(183) 评论(0) 推荐(0)
摘要:排序 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 56209 Accepted Submission(s): 16422 Problem De 阅读全文
posted @ 2017-03-17 11:16 红雨520 阅读(127) 评论(0) 推荐(0)
摘要:As Easy As A+B Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 60774 Accepted Submission(s): 2613 阅读全文
posted @ 2017-03-17 10:44 红雨520 阅读(164) 评论(0) 推荐(0)
摘要:Ignatius and the Princess IV Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32767 K (Java/Others)Total Submission(s): 30075 Accepted Submi 阅读全文
posted @ 2017-03-17 10:42 红雨520 阅读(144) 评论(0) 推荐(0)
摘要:Problem G Repairing a Road You live in a small town with R bidirectional roads connecting C crossings and you want to go from crossing 1 to crossing C 阅读全文
posted @ 2016-09-05 07:57 红雨520 阅读(551) 评论(0) 推荐(0)
摘要:Problem F Biggest Number You have a maze with obstacles and non-zero digits in it: You can start from any square, walk in the maze, and finally stop a 阅读全文
posted @ 2016-09-05 07:23 红雨520 阅读(313) 评论(0) 推荐(0)
摘要:题目E 内部收益率 在金融中,我们有时会用内部收益率IRR来评价项目的投资财务效益,它等于使得投资净现值NPV等于0的贴现率。换句话说,给定项目的期数T、初始现金流CF0和项目各期的现金流CF1, CF2, ...,CFT,IRR是下面方程的解: 为了简单起见,本题假定:除了项目启动时有一笔投入(即 阅读全文
posted @ 2016-09-04 23:39 红雨520 阅读(641) 评论(0) 推荐(0)
摘要:题目D 台球碰撞 在平面直角坐标系下,台球桌是一个左下角在(0,0),右上角在(L,W)的矩形。有一个球心在(x,y),半径为R的圆形母球放在台球桌上(整个球都在台球桌内)。受撞击后,球沿极角为a的射线(即:x正半轴逆时针旋转到此射线的角度为a)飞出,每次碰到球桌时均发生完全弹性碰撞(球的速率不变, 阅读全文
posted @ 2016-09-04 23:21 红雨520 阅读(397) 评论(0) 推荐(0)
摘要:题目C 数字整除 定理:把一个至少两位的正整数的个位数字去掉,再从余下的数中减去个位数的5倍。当且仅当差是17的倍数时,原数也是17的倍数 。 例如,34是17的倍数,因为3-20=-17是17的倍数;201不是17的倍数,因为20-5=15不是17的倍数。输入一个正整数n,你的任务是判断它是否是1 阅读全文
posted @ 2016-09-04 23:01 红雨520 阅读(311) 评论(0) 推荐(0)
摘要:题目B 弟弟的作业 你的弟弟刚做完了“100以内数的加减法”这部分的作业,请你帮他检查一下。每道题目(包括弟弟的答案)的格式为a+b=c或者a-b=c,其中a和b是作业中给出的,均为不超过100的非负整数;c是弟弟算出的答案,可能是不超过200的非负整数,也可能是单个字符"?",表示他不会算。 输入 阅读全文
posted @ 2016-09-04 22:51 红雨520 阅读(399) 评论(0) 推荐(0)
摘要:题目A 汽水瓶 有这样一道智力题:“某商店规定:三个空汽水瓶可以换一瓶汽水。小张手上有十个空汽水瓶,她最多可以换多少瓶汽水喝?”答案是5瓶,方法如下:先用9个空瓶子换3瓶汽水,喝掉3瓶满的,喝完以后4个空瓶子,用3个再换一瓶,喝掉这瓶满的,这时候剩2个空瓶子。然后你让老板先借给你一瓶汽水,喝掉这瓶满 阅读全文
posted @ 2016-09-04 22:32 红雨520 阅读(228) 评论(0) 推荐(0)