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add readme entries
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‎1301-1400/1389-create-target-array-in-the-given-order.js

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/*
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Author :- Rishabh Jain <contact@rishabh1403.com>
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Solution for :- https://leetcode.com/problems/create-target-array-in-the-given-order/
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blog for this code :- https://rishabh1403.com/posts/coding/leetcode/
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youtube video :- https://youtu.be/vZ6VpUJk7CU
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*/
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var createTargetArray = function(nums, index) {
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return index.reduce((acc,el,idx) => {

‎201-300/205-isomorphic-strings.js

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/*
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Author :- Rishabh Jain <contact@rishabh1403.com>
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Solution for :- https://leetcode.com/problems/isomorphic-strings/
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blog for this code :- https://rishabh1403.com/posts/coding/leetcode/
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youtube video :- https://youtu.be/h0O_iPBhxTs
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*/
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var isIsomorphic = function (s, t) {
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if (s.length !== t.length) return false;
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‎301-400/345-reverse-vowels-of-a-string.js

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/*
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Author :- Rishabh Jain <contact@rishabh1403.com>
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Solution for :- https://leetcode.com/problems/reverse-vowels-of-a-string/
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blog for this code :- https://rishabh1403.com/posts/coding/leetcode/
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youtube video :- https://youtu.be/5g6iV76aR-E
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*/
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var reverseVowels = function (s) {
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const arr = s.split("");
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let left = 0, right = arr.length;
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let left = 0, right = arr.length - 1;
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const vowels = ['A', 'E', 'I', 'O', 'U', 'a', 'e', 'i', 'o', 'u']
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‎301-400/349-intersection-of-two-arrays.js

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/*
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Author :- Rishabh Jain <contact@rishabh1403.com>
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Solution for :- https://leetcode.com/problems/intersection-of-two-arrays/
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blog for this code :- https://rishabh1403.com/posts/coding/leetcode/
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youtube video :- https://youtu.be/3OBr0wzEtWE
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*/
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var intersection = function (nums1, nums2) {
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const set1 = new Set(nums1);
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const set2 = new Set(nums2);

‎301-400/374-guess-number-higher-or-lower.js

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/*
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Author :- Rishabh Jain <contact@rishabh1403.com>
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Solution for :- https://leetcode.com/problems/guess-number-higher-or-lower/
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blog for this code :- https://rishabh1403.com/posts/coding/leetcode/
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youtube video :- https://youtu.be/h0uL59Z9Hoc
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*/
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var guessNumber = function (n) {
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if (guess(n) === 0) return n

‎301-400/383-ransom-note.js

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/*
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Author :- Rishabh Jain <contact@rishabh1403.com>
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Solution for :- https://leetcode.com/problems/ransom-note/
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blog for this code :- https://rishabh1403.com/posts/coding/leetcode/
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youtube video :- https://youtu.be/PkxRhIsvvf8
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*/
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var canConstruct = function (ransomNote, magazine) {
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const map = new Map();
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‎301-400/387-first-unique-character-in-a-string.js

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var firstUniqChar = function(s) {
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/*
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Author :- Rishabh Jain <contact@rishabh1403.com>
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Solution for :- https://leetcode.com/problems/first-unique-character-in-a-string/
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blog for this code :- https://rishabh1403.com/posts/coding/leetcode/
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youtube video :- https://youtu.be/rxVNTwf_zfg
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*/
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var firstUniqChar = function (s) {
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const map = new Map();
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for(let i=0;i<s.length;i++){
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if(map.has(s[i])){
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map.set(s[i],-1)
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}else{
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map.set(s[i],i)
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}
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for (let i = 0; i < s.length; i++) {
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if (map.has(s[i])) {
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map.set(s[i], -1)
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} else {
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map.set(s[i], i)
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}
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}
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for(let [key,value] of map){
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if(value !== -1){
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return value;
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}
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for (let [key, value] of map) {
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if (value !== -1) {
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return value;
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}
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}
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return -1;
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};

‎README.md

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- 169.Majority Element - [Question](https://leetcode.com/problems/majority-element/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/101-200/169-majority-element.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/04/leetcode-majority-element) | [Youtube Video](https://youtu.be/p0vvs4Gq8qY)
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- 205.Isomorphic Strings - [Question]() | [Source Code]() | [Blog]() | [Youtube Video]()
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- 217.Contains Duplicate - [Question](https://leetcode.com/problems/contains-duplicate/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/201-300/217-contains-duplicate.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/03/leetcode-contains-duplicate) | [Youtube Video](https://youtu.be/cuR5uyV8snc)
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- 219.Contains Duplicate II - [Question](https://leetcode.com/problems/contains-duplicate-ii/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/201-300/219-contains-duplicate-ii.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/03/leetcode-contains-duplicate-ii) | [Youtube Video](https://youtu.be/O4MF2wBOrTM)
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- 344.Reverse String - [Question](https://leetcode.com/problems/reverse-string/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/301-400/344-reverse-string.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/04/leetcode-reverse-string) | [Youtube Video](https://youtu.be/8j24rPjGBwU)
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- 345.Reverse Vowels of a String - [Question]() | [Source Code]() | [Blog]() | [Youtube Video]()
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- 349.Intersection of Two Arrays - [Question]() | [Source Code]() | [Blog]() | [Youtube Video]()
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- 374.Guess Number Higher or Lower - [Question]() | [Source Code]() | [Blog]() | [Youtube Video]()
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- 383.Ransom Note - [Question]() | [Source Code]() | [Blog]() | [Youtube Video]()
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- 387.First Unique Character in a String - [Question]() | [Source Code]() | [Blog]() | [Youtube Video]()
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- 509.Fibonacci Number - [Question](https://leetcode.com/problems/fibonacci-number/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/501-600/509-fibonacci-number.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/04/leetcode-fibonacci-number) | [Youtube Video](https://youtu.be/iyyhQfO_KKY)
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- 709.To Lower Case - [Question](https://leetcode.com/problems/to-lower-case/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/701-800/709-to-lower-case.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/03/leetcode-to-lower-case) | [Youtube Video](https://youtu.be/jFi7-YgIXJQ)
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- 1342.Number of Steps to Reduce a Number to Zero - [Question](https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/1301-1400/1342-reduce-numer-to-zero.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/03/leetcode-number-of-steps-to-reduce-a-number-to-zero) | [Youtube Video](https://www.youtube.com/watch?v=sQYhrMf1VMc)
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- 1365.How Many Numbers Are Smaller Than the Current Number - [Question](https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/1301-1400/1365-how-many-numbers-smaller-than-current-number.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/03/leetcode-how-many-numbers-smaller-than-current-number) | [Youtube Video](https://youtu.be/a2RWy9kqOhs)
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- 1365.How Many Numbers Are Smaller Than the Current Number - [Question](https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number/) | [Source Code](https://github.com/rishabh1403/leetcode-javascript-solutions/blob/master/1301-1400/1365-how-many-numbers-smaller-than-current-number.js) | [Blog](https://rishabh1403.com/posts/coding/leetcode/2020/03/leetcode-how-many-numbers-smaller-than-current-number) | [Youtube Video](https://youtu.be/a2RWy9kqOhs)
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- 1389.Create Target Array in the Given Order - [Question]() | [Source Code]() | [Blog]() | [Youtube Video]()

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