You are given an array of intervals, where intervals[i] = [starti, endi] and each starti is unique.
The right interval for an interval i is an interval j such that startj >= endi and startj is minimized. Note that i may equal j.
Return an array of right interval indices for each interval i. If no right interval exists for interval i, then put -1 at index i.
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Example 1:
\n\n\nInput: intervals = [[1,2]]\nOutput: [-1]\nExplanation: There is only one interval in the collection, so it outputs -1.\n\n\n
Example 2:
\n\n\nInput: intervals = [[3,4],[2,3],[1,2]]\nOutput: [-1,0,1]\nExplanation: There is no right interval for [3,4].\nThe right interval for [2,3] is [3,4] since start0 = 3 is the smallest start that is >= end1 = 3.\nThe right interval for [1,2] is [2,3] since start1 = 2 is the smallest start that is >= end2 = 2.\n\n\n
Example 3:
\n\n\nInput: intervals = [[1,4],[2,3],[3,4]]\nOutput: [-1,2,-1]\nExplanation: There is no right interval for [1,4] and [3,4].\nThe right interval for [2,3] is [3,4] since start2 = 3 is the smallest start that is >= end1 = 3.\n\n\n
\n
Constraints:
\n\n1 <= intervals.length <= 2 * 104intervals[i].length == 2-106 <= starti <= endi <= 106Compiled with clang 11 using the latest C++ 20 standard.
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Most standard library headers are already included automatically for your convenience.
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