由数字0组成的方阵中，有一任意形状闭合圈，闭合圈由数字1构成，围圈时只走上下左右4个方向。现要求把闭合圈内的所有空间都填写成2.例如：6X6的方阵（n=6），涂色前和涂色后的方阵如下：00000000111101100111000110000111111100000000111101122111222112222111...

Eddy'spictureTimeLimit:2000/1000MS(Java/Others)   MemoryLimit:65536/32768K(Java/Others)TotalSubmission(s):11970   AcceptedSubmissi...

TimeLimit:2000/1000MS(Java/Others)   MemoryLimit:65536/32768K(Java/Others)TotalSubmission(s):5797   AcceptedSubmission(s):2913Prob...