1751: [Usaco2005 qua]Lake Counting Time Limit: 5 Sec  Memory Limit: 64 MB Submit: 168  Solved: 130 [Submit][Status] Description Due to recent rains, water has pooled in various places in Farmer John's field, which is represented by a rectangle of N x…

1751: [Usaco2005 qua]Lake Counting Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 190  Solved: 150[Submit][Status][Discuss] Description Due to recent rains, water has pooled in various places in Farmer John's field, which is represented by a rectangle…

来之不易的2017第一发ac http://poj.org/problem?id=2386 Lake Counting Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 31474   Accepted: 15724 Description Due to recent rains, water has pooled in various places in Farmer John's field, which is repr…

Lake Counting Time Limit: 1000MS     Memory Limit: 65536K Total Submissions: 17917     Accepted: 9069 Description Due to recent rains, water has pooled in various places in Farmer John's field, which is represented by a rectangle of N x M (1 <= N <=…

Lake Counting Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 28966   Accepted: 14505 Description Due to recent rains, water has pooled in various places in Farmer John's field, which is represented by a rectangle of N x M (1 <= N <= 10…

1754: [Usaco2005 qua]Bull Math Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 374  Solved: 227[Submit][Status] Description Bulls are so much better at math than the cows. They can multiply huge integers together and get perfectly precise answers ... o…

2023: [Usaco2005 Nov]Ant Counting 数蚂蚁 Time Limit: 4 Sec  Memory Limit: 64 MBSubmit: 56  Solved: 16[Submit][Status] Description     有一天,贝茜无聊地坐在蚂蚁洞前看蚂蚁们进进出出地搬运食物．很快贝茜发现有些蚂蚁长得几乎一模一样,于是她认为那些蚂蚁是兄弟,也就是说它们是同一个家族里的成员．她也发现整个蚂蚁群里有时只有一只出来觅食,有时是几只,有时干脆整个蚁群一起出来．这…

题目 3385: [Usaco2004 Nov]Lake Counting 数池塘 Time Limit: 1 Sec  Memory Limit: 128 MB Description     农夫约翰的农场可以表示成N×M(1≤N,M≤100)个方格组成的矩形．由于近日的降雨, 在约翰农场上的不同地方形成了池塘．每一个方格或者有积水(’W’)或者没有积水(’．’)．农夫约翰打算数出他的农场上共形成了多少池塘．一个池塘是一系列相连的有积水的方格,每一个方格周围的八个方格都被认为是与这个方格相连…

1755: [Usaco2005 qua]Bank Interest Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 187  Solved: 162[Submit][Status][Discuss] Description Farmer John made a profit last year! He would like to invest it well but wonders how much money he will make. He kn…

1753: [Usaco2005 qua]Who's in the Middle Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 290  Solved: 242[Submit][Status][Discuss] Description FJ is surveying his herd to find the most average cow. He wants to know how much milk this 'median' cow gives…