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leetcode/array/RemoveElement.java
20 строк
741 B
Kevin Naughton Jr
add more problem solutions
30 мар 2018, 23:29
30 мар 2018, 23:29
10347c6
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//Given an array and a value, 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: //Given nums = [3,2,2,3], val = 3, //Your function should return length = 2, with the first two elements of nums being 2. class RemoveElement { public int removeElement(int[] nums, int val) { int index = 0; for(int i = 0; i < nums.length; i++) { if(nums[i] != val) { nums[index++] = nums[i]; } } return index; } }