摘要: 先描述一下问题已知m,n求∑(i,j)=k1<=i<=m,1<=j<=n1 \sum_{(i,j)=k}^{1<=i<=m,1<=j<=n}1(i,j)=k∑1#include #include #includ... 阅读全文
posted @ 2018-12-07 17:39 akonoh 阅读(371) 评论(0) 推荐(0) 编辑