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64af01a85d
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64af01a85d | |
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959157e587 |
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@ -148,4 +148,19 @@ public class Solution {
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}
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return strs[0];
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}
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//给你一个数组 nums 和一个值 val,你需要 原地 移除所有数值等于 val 的元素,并返回移除后数组的新长度。
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//不要使用额外的数组空间,你必须仅使用 O(1) 额外空间并 原地 修改输入数组。
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//元素的顺序可以改变。你不需要考虑数组中超出新长度后面的元素。
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public static int removeElement(int[] nums, int val) {
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int i = 0;
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for (int j = 0; j < nums.length; j++) {
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if (nums[j] != val) {
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nums[i] = nums[j];
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i++;
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}
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}
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return i;
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}
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}
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@ -6,22 +6,11 @@ import java.util.stream.Collectors;
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public class test {
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public static void main(String[] args) {
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int[] nums = new int[]{3,2,2,3,1,2};
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int[] nums1 = new int[]{1,2,3,0,0,0};
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// int m = 3;
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// int[] nums2 = new int[]{2,5,6};
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// int n = 3;
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// int[] nums1 = new int[]{1};
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// int m = 1;
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// int[] nums2 = new int[]{};
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// int n = 0;
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// Solution.merge(nums1,m,nums2,n);
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// String[] strs = new String[]{"flower","flow","flight"};
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// String[] strs = new String[]{"flower","flower","flower","flower"};
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// String result = Solution.longestCommonPrefix(strs);
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// System.out.println(result);
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// int m = Solution.majorityElement(nums1);
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// System.out.println(m);
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int length = Solution.removeElement(nums,3);
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System.out.println(nums);
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System.out.println(length);
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}
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}
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