Sasa tin80122

## leetCode75.js
//use space
var sortColors1 = function(nums) {
    const pivot = nums[0];
    let left = [];
    let right = [];
    let i = 0;
    while(i < nums.length -1) {
      nums[i] < pivot ? left.push(nums[i]) : right.push(nums[i])
      i++;
    }

## leetCode347.js
var topKFrequent = function(nums, k) {
    let hash = {}
    nums.forEach(row => {
      if(hash[row] === undefined) {
        hash[row] = 1;
      }else {
        hash[row] += 1;
      }
    })
  let res = [...hash].sort((a,b) => a[1]-b[1])

## leetCode215.js
//Topic: find Kth elements

//quick sort use space
var qsort = function(nums,k) {
  if(nums.length <= 1) {
    return nums
  }

    let leftAry = [];
    let rightAry = [];

## leetCode709v1.js
var toLowerCase = function(str) {
    return str.toLowerCase();
};

## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
<style id="jsbin-css">
li.active {
  text-decoration: line-through;
}

## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
<style id="jsbin-css">
li.active {
  text-decoration: line-through;
}

## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
  <div id="app">
    <div v-if="loading">loading中</div>
	//use space
	var sortColors1 = function(nums) {
	const pivot = nums[0];
	let left = [];
	let right = [];
	let i = 0;
	while(i < nums.length -1) {
	nums[i] < pivot ? left.push(nums[i]) : right.push(nums[i])
	i++;
	}
	var topKFrequent = function(nums, k) {
	let hash = {}
	nums.forEach(row => {
	if(hash[row] === undefined) {
	hash[row] = 1;
	}else {
	hash[row] += 1;
	}
	})
	let res = [...hash].sort((a,b) => a[1]-b[1])
	//Topic: find Kth elements

	//quick sort use space
	var qsort = function(nums,k) {
	if(nums.length <= 1) {
	return nums
	}

	let leftAry = [];
	let rightAry = [];
	var toLowerCase = function(str) {
	return str.toLowerCase();
	};
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>JS Bin</title>
	<style id="jsbin-css">
	li.active {
	text-decoration: line-through;
	}