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poj 3619 Speed Reading
Speed Reading Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8431   Accepted: 3935 Description All K (1 ≤ K ≤ 1,000) of the cows are participating in Farm...
分类:其他好文   时间:2014-11-05 14:54:21    阅读次数:171
POJ 3267 The Cow Lexicon
The Cow LexiconTime Limit:2000MSMemory Limit:65536KTotal Submissions:7909Accepted:3711DescriptionFew know that the cows have their own dictionary with...
分类:其他好文   时间:2014-11-05 12:40:48    阅读次数:170
POJ3169 Layout 【差分约束系统】
Layout Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7468   Accepted: 3581 Description Like everyone else, cows like to stand close to their friends when...
分类:其他好文   时间:2014-11-05 09:20:39    阅读次数:156
BZOJ 1672: [Usaco2005 Dec]Cleaning Shifts 清理牛棚
题目1672: [Usaco2005 Dec]Cleaning Shifts 清理牛棚Time Limit:5 SecMemory Limit:64 MBDescriptionFarmer John's cows, pampered since birth, have reached new hei...
分类:其他好文   时间:2014-11-04 22:35:54    阅读次数:332
poj 2186 Popular Cows 【强连通】
题目:poj 2186 Popular Cows 题意:n头牛,其中存在一些牛相互崇拜,具有传递性,问有多少头牛是被其他所有牛崇拜的。 分析:建立一个有向图,然后强连通缩点,之后求出度为0的点,假如存在多个,那么ans = 0,因为缩点之后如果x崇拜y,x也崇拜z,那么肯定y和z不能互相崇拜,不满足。 然后求出度为0的这个点缩点前环上有多少个点就ans AC代码: ...
分类:其他好文   时间:2014-11-04 19:44:59    阅读次数:236
BZOJ 1684: [Usaco2005 Oct]Close Encounter
题目1684: [Usaco2005 Oct]Close EncounterTime Limit:5 SecMemory Limit:64 MBDescriptionLacking even a fifth grade education, the cows are having trouble w...
分类:其他好文   时间:2014-11-04 19:15:59    阅读次数:272
BZOJ 1677: [Usaco2005 Jan]Sumsets 求和
题目1677: [Usaco2005 Jan]Sumsets 求和Time Limit:5 SecMemory Limit:64 MBSubmit:617Solved:344[Submit][Status]DescriptionFarmer John commanded his cows to se...
分类:其他好文   时间:2014-11-04 10:41:29    阅读次数:200
POJ 3667 splay区间合并练习
Hotel Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 12446   Accepted: 5363 Description The cows are journeying north to Thunder Bay in Canada to gain cul...
分类:其他好文   时间:2014-11-01 16:20:08    阅读次数:127
POJ2431 Expedition
Expedition Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7349   Accepted: 2179 Description A group of cows grabbed a truck and ventured on an expedition...
分类:其他好文   时间:2014-10-31 20:42:45    阅读次数:160
BZOJ 1652: [Usaco2006 Feb]Treats for the Cows
题目1652: [Usaco2006 Feb]Treats for the CowsTime Limit:5 SecMemory Limit:64 MBSubmit:234Solved:185[Submit][Status]DescriptionFJ has purchased N (1 3 us....
分类:其他好文   时间:2014-10-31 18:37:47    阅读次数:309
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