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Problem 1003
解释样例
slahser
| 2016-07-23 20:14:01
Author
2 2 1 1 1 1 为什么答案是4。。。不明白
admin
| 2016-07-23 20:16:19
# 1
只有4个1 x 1的矩阵有鞍点, 鞍点的值都是1
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