12 2017 档案
摘要:F. Restoring the Expression time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output F. Restoring
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摘要:Going Home Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6114 Accepted Submission(s): 3211 Pro
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摘要:时间限制:10000ms 单点时限:1000ms 内存限制:256MB 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 给定一个只包含括号和小写字母的字符串S,例如S="a(bc(de)fg)hijk"。 其中括号表示将里面的字符串翻转。(注意括号可能嵌套) 请你输出翻
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摘要:时间限制: 2.0 秒 空间限制: 512 MB 题目背景 SkyDec和YJQQQAQ都是Yazid的好朋友。他们都非常喜欢吃火锅。有一天,他们聚在一起,享受一场火锅盛宴。 题目描述 在这场火锅盛宴中,有一个麻辣浓汤锅底的火锅和n种食物,每种食物数量都是无限的。我们用1至n将这些食材编号。 每种食
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摘要:As we all know, machine scheduling is a very classical problem in computer science and has been studied for a very long history. Scheduling problems d
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摘要:Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains K asteroids
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摘要:学了几天,不会线代的我终于学会了高斯消元。 其实高斯消元只两步: 第一步:转化为上三角矩阵。通过加减消元实现( i 从 1 到 N 遍历,把第 j (j > i )行的 xi 消掉) 第二步:从底向上代入。 需要注意的是判断多解和无解的情况,还有减小误差的方法。 别的不说了,直接上板子,遇到题套进去
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摘要:Problem Description there are N ACMers in HDU team.ZJPCPC Sunny Cup 2007 is coming, and lcy want to select some excellent ACMers to attend the contest
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摘要:Description Have you ever read any book about treasure exploration? Have you ever see any film about treasure exploration? Have you ever explored trea
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摘要:Description The Global Aerial Research Centre has been allotted the task of building the fifth generation of mobile phone nets in Sweden. The most str
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