75. Sort Colors

LeetCode

class Solution {
    public void sortColors(int[] nums) {
        int p0=0,curr=0,p2=nums.length-1;
        while(curr<=p2){
            if(nums[curr]==0){
                nums[curr]=nums[p0];
                nums[p0]=0;
                curr++;p0++;
            }
            else if(nums[curr]==2){
                nums[curr]=nums[p2];
                nums[p2]=2;
                p2--;
            }
            else{
                curr++;
            }
        }
    }
}