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Lightoj 1297 - Largest Box
Memory Limit: 32 MB In the following figure you can see a rectangular card. Thewidth of the card is W and length of the card is L and thicknessis zero. Four (x*x) squares are cut from the...
分类:其他好文   时间:2015-08-16 16:46:15    阅读次数:121
LightOJ 1275 - Internet Service Providers
1275 - Internet Service Providers PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB A group of N Internet Service Provider c...
分类:Web程序   时间:2015-08-16 15:17:26    阅读次数:126
LightOJ 1214 - Large Division (大数取余)
1214 - Large Division PDF (English) Statistics Forum Time Limit: 1 second(s) Memory Limit: 32 MB Given two integers, a and b, you should checkwhether...
分类:其他好文   时间:2015-08-16 13:51:38    阅读次数:188
Light 1078 Integer Divisibility (取模运算)
1078 - Integer Divisibility PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB If an integer is not divisible by 2 or 5, some...
分类:其他好文   时间:2015-08-16 12:24:25    阅读次数:118
Light OJ 1116 Ekka Dokka
1116 - Ekka Dokka PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB Ekka and his friend Dokka decided to buy a cake. They both love c...
分类:其他好文   时间:2015-08-16 12:17:48    阅读次数:199
Light 1008
H - 字 Time Limit:500MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1008 Description Fibsieve had a fantabulous (yes, it's an actual wo...
分类:其他好文   时间:2015-08-15 23:11:27    阅读次数:163
周赛C题 LightOJ 1047 (DP)
C -CTime Limit:500MSMemory Limit:32768KB64bit IO Format:%lld & %lluDescriptionThe people ofMohammadpurhave decided to paint each of their houses red, ...
分类:其他好文   时间:2015-08-15 17:51:47    阅读次数:100
LightOJ 1258 Making Huge Palindromes (回文&KMP)
http://lightoj.com/volume_showproblem.php?problem=1258 A string is said to be a palindrome if it remains same when read backwards. So, 'abba', 'madam' both are palindromes, but 'adam' is not. Now...
分类:其他好文   时间:2015-08-14 11:49:37    阅读次数:201
LightOj_1408 Batting Practice
题目链接题意: 击球训练中, 你击中一个球的概率为p,连续击中k1个球, 或者连续击空k2个球, 则训练结束。 求结束训练所击球次数的期望。思路: 设f[x]为连续击中x个球, 距离结束训练所需要的期望 设g[x]为连续击空x个球, 距离结束训练所需要的期望 f[x] = p * (f...
分类:其他好文   时间:2015-08-13 13:45:41    阅读次数:102
LightOj_1287 Where to Run
题目链接题意: 有n个街口和m条街道, 你后边跟着警察,你需要进行大逃亡(又是大爱的抢银行啊),在每个街口你都有≥1个选择, 1)停留在原地5分钟。 2)如果这个街口可以到xi这个街口, 并且, 通过xi可以遍历完所有未走过的街口,那么就加入选择。 每个选择都是等概率的。 求警察抓住你所用...
分类:其他好文   时间:2015-08-13 11:52:42    阅读次数:111
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