An axis-aligned rectangle is represented as a list [x1, y1, x2, y2], where (x1, y1) is the coordinate of its bottom-left corner, and (x2, y2) is the coordinate of its top-right corner. Its top and bottom edges are parallel to the X-axis, and its left and right edges are parallel to the Y-axis.
Two rectangles overlap if the area of their intersection is positive. To be clear, two rectangles that only touch at the corner or edges do not overlap.
\n\nGiven two axis-aligned rectangles rec1 and rec2, return true if they overlap, otherwise return false.
\n
Example 1:
\nInput: rec1 = [0,0,2,2], rec2 = [1,1,3,3]\nOutput: true\n
Example 2:
\nInput: rec1 = [0,0,1,1], rec2 = [1,0,2,1]\nOutput: false\n
Example 3:
\nInput: rec1 = [0,0,1,1], rec2 = [2,2,3,3]\nOutput: false\n\n
\n
Constraints:
\n\nrect1.length == 4rect2.length == 4-109 <= rec1[i], rec2[i] <= 109rec1 and rec2 represent a valid rectangle with a non-zero area.矩形以列表 [x1, y1, x2, y2] 的形式表示，其中 (x1, y1) 为左下角的坐标，(x2, y2) 是右上角的坐标。矩形的上下边平行于 x 轴，左右边平行于 y 轴。
如果相交的面积为 正 ，则称两矩形重叠。需要明确的是，只在角或边接触的两个矩形不构成重叠。
\n\n给出两个矩形 rec1 和 rec2 。如果它们重叠，返回 true；否则，返回 false 。
\n\n
示例 1：
\n\n\n输入：rec1 = [0,0,2,2], rec2 = [1,1,3,3]\n输出：true\n\n\n
示例 2：
\n\n\n输入：rec1 = [0,0,1,1], rec2 = [1,0,2,1]\n输出：false\n\n\n
示例 3：
\n\n\n输入：rec1 = [0,0,1,1], rec2 = [2,2,3,3]\n输出：false\n\n\n
\n\n
提示：
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