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Update Leetcode 题解 - 排序.md #1183

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Update Leetcode 题解 - 排序.md #1183

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41 changes: 26 additions & 15 deletions notes/Leetcode 题解 - 排序.md
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Original file line number Diff line number Diff line change
Expand Up @@ -224,21 +224,32 @@ Output: [0,0,1,1,2,2]

```java
public void sortColors(int[] nums) {
int zero = -1, one = 0, two = nums.length;
while (one < two) {
if (nums[one] == 0) {
swap(nums, ++zero, one++);
} else if (nums[one] == 2) {
swap(nums, --two, one);
} else {
++one;
int p0=0;
int p1=0;
for(int i=0;i<nums.length;i++)
{
if(nums[i]==1)
{
int temp=nums[i];
nums[i]=nums[p1];
nums[p1]=temp;
p1++;
}
else if(nums[i]==0)
{
int temp=nums[i];
nums[i]=nums[p0];
nums[p0]=temp;
if(p0<p1)
{
int k=nums[i];
nums[i]=nums[p1];
nums[p1]=k;

}
p0++;
p1++;
}
}
}
}

private void swap(int[] nums, int i, int j) {
int t = nums[i];
nums[i] = nums[j];
nums[j] = t;
}
```