本文探讨了如何用k×1的矩形覆盖n×n的正方形棋盘，证明了无论n和k的值如何，未覆盖到的方格数m(n, k)总是一个完全平方数。通过分析不同情况，展示了当n≥k时如何达到最优覆盖方案，并给出具体案例和代码实现。"
86500059,8246684,使用悲观锁与乐观锁解决并发超发现象,"['并发控制', '数据库', 'Java开发', '锁机制', '分布式系统']
Chessboard
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 799 Accepted Submission(s): 335
Problem Description
Consider the problem of tiling an n×n chessboard by polyomino pieces that are k×1 in size; Every one of the k pieces of each polyomino tile must align exactly with one of the chessboard squares. Your task is to figure out the maximum number of chessboard squares tiled.
Input
There are multiple test cases in the input file.
First line contain the number of cases T ( T≤10000 ).
In the next T lines contain T cases , Each case has two integers n and k. ( 1≤n,k≤100 )
First line contain the number of cases T ( T≤10000 ).
In the next T lines contain T cases , Each case has two integers n and k. ( 1≤n,k≤100 )
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