Given an array of n positive integers and a positive integer s , find the minimal length of a contiguous subarray of which the sum ≥ s . If there isn't one, return 0 instead.
For example, given the array [2,3,1,2,4,3]
and s = 7
,
the subarray [4,3]
has the minimal length under the problem constraint.
click to show more practice.
More practice:
If you have figured out the O (n ) solution, try coding another solution of which the time complexity is O (n log n ).
Credits: Special thanks to @Freezen for adding this problem and creating all test cases.
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