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core-pattern

Merge Intervals

Sort and combine overlapping intervals into the smallest set of disjoint ranges.

Problems

Problems in Merge Intervals

Practice problems that share this primary solution pattern and compare the clues that reveal it.

Detailed view of network cables plugged into a server rack in a data center.
intermediate
11 min read

Merge Intervals

Pairwise merging feels natural until one merge creates a new overlap with a third interval. Then the bookkeeping branches, earlier comparisons become…

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