链接：https://leetcode-cn.com/problems/random-flip-matrix/[https://leetcode...

链接：https://leetcode-cn.com/problems/sum-of-nodes-with-even-valued-grandp...

链接：https://leetcode-cn.com/problems/sum-of-absolute-differences-in-a-sor...

链接：https://leetcode-cn.com/problems/find-valid-matrix-given-row-and-colu...

链接：https://leetcode-cn.com/problems/minimum-score-triangulation-of-polyg...

原题：https://leetcode-cn.com/problems/pancake-sorting/[https://leetcode-cn...

原题链接：https://leetcode-cn.com/problems/stone-game/[https://leetcode-cn.co...

链接：https://leetcode-cn.com/problems/binary-tree-coloring-game/[https://l...