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Q2161 added.
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class Solution {
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public int[] pivotArray(int[] nums, int pivot) {
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int[] ret= new int[nums.length];
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int left=0; int right=nums.length-1;
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int num_pivot=0;
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for(int i=0;i<nums.length;i++){
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if(nums[i]<=pivot){
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if(nums[i]==pivot)
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num_pivot++;
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else
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ret[left++]=nums[i];
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}
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if(nums[nums.length-1-i]>pivot){
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ret[right--]=nums[nums.length-1-i];
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}
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}
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for(int i=left; i<left+num_pivot;i++){
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ret[i]=pivot;
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}
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return ret;
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}
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}

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