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A -AntsTime Limit:3000MSMemory Limit:0KB64bit IO Format:%lld & %lluSubmitStatusAppoint description:DescriptionYoung naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple trees. Each ant colony needs its own apple tree to feed itself.Bill has a map with coordina 阅读全文
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Warm upTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 955Accepted Submission(s): 193 Problem Description N planets are connected by M bidirectional channels that allow instant transportation. It's always possible to travel between any two pl 阅读全文
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GameTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 336Accepted Submission(s): 92 Problem Description Nowadays, there are more and more challenge game on TV such as 'Girls, Rush Ahead'. Now, you participate int a game like this. There are 阅读全文
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Palindrome Sub-ArrayTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 249Accepted Submission(s): 129 Problem Description A palindrome sequence is a sequence which is as same as its reversed order. For example, 1 2 3 2 1 is a palindrome sequence, bu. 阅读全文
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Warm up 2Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 449Accepted Submission(s): 225 Problem Description Some 1×2 dominoes are placed on a plane. Each dominoe is placed either horizontally or vertically. It's guaranteed the dominoes in 阅读全文
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DequeTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 613Accepted Submission(s): 180 Problem DescriptionToday, the teacher gave Alice extra homework for the girl weren't attentive in his class. It's hard, and Alice is going to turn to you f 阅读全文
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本次的题就看了5题，其它的有的看了，有的没看懂，不提也。这是第一次的多校，刚开始就随便看题。后来有个对1Y了Partition就马上去看了下，果断感觉能出，应该是个找规律的题，打表找规律。打表时，还遇到了障碍。于是有手推了会。终于找了点规律，不过是个递推式，暂时没实用价值，看到有人喊倒3是水题，一看还真是，于是乎开是敲了。由于看的太匆忙还以为是范围是10^5就想也没想暴利打了个表，发现代码过长了，10^5 不让了，于是就把暴力交了，果断RE，仔细一看是数据长度是10^5，这明显就是模拟，于是重写了一下交了次PE居然忘给回车了。改了就过了。失误啊，后来还有一题Park Visit这个就是树的最长 阅读全文
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SuccessorTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1779Accepted Submission(s): 426 Problem DescriptionSean owns a company and he is the BOSS.The other Staff has one Superior.every staff has a loyalty and ability.Some times Sean will fire one 阅读全文
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D -Draw and paintTime Limit:3000MSMemory Limit:98304KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 4363DescriptionShadow is interested in the four-color theorem, now he wants to draw some lines on a rectangle paper to divide it into some parts, and then paint these parts with four differ 阅读全文
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C -Dragon BallTime Limit:1500MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 4362DescriptionSean has got a Treasure map which shows when and where the dragon balls will appear. some dragon balls will appear in a line at the same time for each period.Since the time you 阅读全文