Update README.md

Author: TheCoderSingh

README.md

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 | 1672 | Richest Customer Wealth | You are given an m x n integer grid accounts where accounts[i][j] is the amount of money the ith customer has in the jth bank. Return the wealth that the richest customer has. A customer's wealth is the amount of money they have in all their bank accounts. The richest customer is the customer that has the maximum wealth. | [Solution](richest_customer_wealth.js) | |
 | 1683 | Invalid Tweets | Write a solution to find the IDs of the invalid tweets. The tweet is invalid if the number of characters used in the content of the tweet is strictly greater than 15. | [Solution](invalid_tweets.sql)  |
 | 1757 | Recyclable and Low Fat Products | Write a solution to find the ids of products that are both low fat and recyclable. | [Solution](recyclable_low_fat.sql) |
+| 1920 | Build Array from Permutation | Given a zero-based permutation nums (0-indexed), build an array ans of the same length where ans[i] = nums[nums[i]] for each 0 <= i < nums.length and return it. | [Solution](array_from_permutation.js)