Given scores ofNathletes, find their relative ranks and the people with the top three highest scores, who will be awarded medals: “Gold Medal”, “Silver Medal” and “Bronze Medal”.

假设一个二维的整数数组中每一行表示一个区间，每一行的第一个值表示区间的左边界，第二个值表示区间的右边界。现在要求返回一个整数数组，用来记录每一个边界右侧最邻近的区间。