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此题没有太大的技巧，就是图搜索，每次找颜色值最大的且全部相等的行或列（被消除的可以认为为任意值），存入堆栈，找到头完了，然后把堆栈输出Rt，也可以理解为拓扑排序，其实就是贪心。。。 Followed by: Post your reply here: |
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