There are a number of spherical balloons spread in two-dimensional space. For each balloon, provided input is the start and end coordinates of the horizontal diameter. Since it’s horizontal, y-coordin
文章目录 一、题目二、题解 一、题目 There are some spherical balloons taped onto a flat wall that represents the XY-plane. The balloons are represented as a 2D integer array points where points[i] = [xstart,
452. Minimum Number of Arrows to Burst Balloons 题目描述和难度 题目描述: 在二维空间中有许多球形的气球。对于每个气球,提供的输入是水平方向上,气球直径的开始和结束坐标。由于它是水平的,所以y坐标并不重要,因此只要知道开始和结束的x坐标就足够了。开始坐标总是小于结束坐标。平面内最多存在104个气球。 一支弓箭可以沿着x轴从不