摘要：
A Knight’s Tour https://www.tutorialspoint.com/The-Knight-s-tour-problem In chess, we know that the knight can jump in a special manner. It can move e 阅读全文
摘要：
B - Unbalanced Squares https://atcoder.jp/contests/arc142/tasks/arc142_b 思路 按照第一行，第二行， ......， 第n行的顺序，将所有元素排成一行 X11, X12, ...., X1N, X21, X22, ...., X 阅读全文