HBC24748数学考试,组合数学[USACO 2010 Nov G]Cow Photographs题解 （farmerjohnwantstotakeapictureofhisentireherdofn） Farmer John wants to take a picture of his entire herd of N (1... 算法基础篇 2023-11-09 33 #HBC24748数学考试 #组合数学[USACO 2010 Nov G]Cow Photographs题解
![HBC24748数学考试,组合数学[USACO 2010 Nov G]Cow Photographs题解
（farmerjohnwantstotakeapictureofhisentireherdofn）](https://www.xxstcz.com/zb_users/cache/thumbs/94dc74ff182c5b449b0b60915e7e1d21-320-200-1.jpeg "HBC24748数学考试,组合数学[USACO 2010 Nov G]Cow Photographs题解
（farmerjohnwantstotakeapictureofhisentireherdofn）")