题目描述

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输入格式

As shown in the PDF.

输出格式

As shown in the PDF

样例

5 5 
1 0 0 1 0 
0 1 1 0 1 
0 1 0 1 1 
1 0 1 1 1 
0 1 1 1 1

14 31

提示

By 秦浩源