1716. 计算力扣银行的钱

题目链接：https://leetcode-cn.com/problems/number-of-rectangles-that-can-form-the-largest-square/

执行用时：196 ms, 在所有 Swift 提交中击败了100.00% 的用户
内存消耗：13.8 MB, 在所有 Swift 提交中击败了100.00% 的用户

class Solution {
    func countGoodRectangles(_ rectangles: [[Int]]) -> Int {
        var maxLen = 0
        var count = 0
        for nums in rectangles {
            let l = nums[0], r = nums[1]
            let k = min(l,r)
            if k == maxLen {
                count += 1
            } else if k > maxLen {
                maxLen = k
                count = 1
            }
        }
        return count
    }
}