摘要: 2024.12.19 周四 Q1. 1000 Consider a $2 \times n$ grid, where $n$ is an even integer. You may place the integers $1, 2, \ldots, 2n$ on the grid, using ea 阅读全文
posted @ 2024-12-20 09:49 Jkke 阅读(15) 评论(0) 推荐(0)