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Programming Exercises

Write a function to find the second smallest number in an array.

Medium

Problem Statement

Write a function to find the second smallest number in an array.

Sample Input

[4, 2, 9, 7, 5]

Sample Output

4

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
// Find the second smallest number in an array function secondSmallest(arr) { return sortedArr[]; } console.log(secondSmallest([4, 2, 9, 7, 5]));
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Input
[4, 2, 9, 7, 5]
Expected Output
4