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2 changed files with 15 additions and 19 deletions

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@ -148,19 +148,4 @@ public class Solution {
} }
return strs[0]; return strs[0];
} }
//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。
//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。
//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。
public static int removeElement(int[] nums, int val) {
int i = 0;
for (int j = 0; j < nums.length; j++) {
if (nums[j] != val) {
nums[i] = nums[j];
i++;
}
}
return i;
}
} }

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@ -6,11 +6,22 @@ import java.util.stream.Collectors;
public class test { public class test {
public static void main(String[] args) { public static void main(String[] args) {
int[] nums = new int[]{3,2,2,3,1,2};
int[] nums1 = new int[]{1,2,3,0,0,0}; int[] nums1 = new int[]{1,2,3,0,0,0};
int length = Solution.removeElement(nums,3); // int m = 3;
System.out.println(nums); // int[] nums2 = new int[]{2,5,6};
System.out.println(length); // int n = 3;
// int[] nums1 = new int[]{1};
// int m = 1;
// int[] nums2 = new int[]{};
// int n = 0;
// Solution.merge(nums1,m,nums2,n);
// String[] strs = new String[]{"flower","flow","flight"};
// String[] strs = new String[]{"flower","flower","flower","flower"};
// String result = Solution.longestCommonPrefix(strs);
// System.out.println(result);
// int m = Solution.majorityElement(nums1);
// System.out.println(m);
} }
} }