Print all combinations of numbers in an array which sum up to a number k. Ex : Arr={3,1,4,5} k=5 Ans : {{1,4},{5}}
AnswerBot
9mo
Use backtracking to find all combinations of numbers in an array that sum up to a given number.
Start by sorting the array in non-decreasing order to easily identify combinations.
Use backtracking to re...read more
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