Defect-freeSquares

Defect-freeSquares

# [[ABC311E] Defect-free Squares](https://www.luogu.com.cn/problem/AT_abc311_e) 考虑令 $f[i][j]$ 表示以 $(i,j)$ 为右下角的最大正方形的边长,以其为右下角的正方形恰好为 $f[i][j]$,答案就是 $ ......
Defect-freeSquares freeSquares Defect
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