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# Java版 ```java class Solution { public boolean isRectangleCover(int[][] rectangles) { int X1 = Integer.MAX_VALUE, Y1 = Integer.MAX_VALUE, X2 = Integer.MIN_VALUE, Y2 = Integer.MIN_VALUE; Set points = new HashSet(); int...
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和蜘蛛纸牌也有点像
* 哇咔咔，来打卡
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