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remove-element.js
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30 lines (21 loc) · 848 Bytes
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// https://leetcode.com/problems/remove-element/
// Given an array nums and a value val, remove all instances of that value in-place and return the new length.
// Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory.
// The order of elements can be changed. It doesn't matter what you leave beyond the new length.
// Example 1:
// Given nums = [3,2,2,3], val = 3,
// Your function should return length = 2, with the first two elements of nums being 2.
// It doesn't matter what you leave beyond the returned length.
/**
* @param {number[]} nums
* @param {number} val
* @return {number}
*/
var removeElement = function(nums, val) {
for (var i = 0; i < nums.length; i++) {
if (nums[i] === val) {
nums.splice(i, 1);
i -= 1;
}
}
};