Problem statment There are two people on different sides of the bridge. The only way they can communicate is via Flash lights. One person wants to communicate the numbers, came up with roll of...
Problem Given an integer array, increment its numeric value by one. For example, increment([2, 7, 3]) returns [2, 7, 4] Solution
Algorithm get two characters from the input string at a time and convert it to the integer For example let hex = ‘ff00ff’; let r = parseInt(hex.substring(0, 2), 16) // 255 concat all the...
Problem Write a function Array.prototype.map() which can accept one additional argument. function mul(x) { return x * x; } console.log([1, 2, 3].map(mul)); // [1, 4, 9] Modify the function so that it can accept...
Problem : Given a string and an array of words, find out if the input string can be broken into a space-separated sequence of one or more words. For example, inputDict = [“I” ,...
A permutation is a rearrangement of the elements in a list. A string/array of length n has n! permutation. Input: An array // [‘A’, ‘B’, ‘C’] Output: [‘A’, ‘B’, ‘C’] [‘A’, ‘C’, ‘B’], [‘B’,...
Input : [ 1, 2, 3 ] Output : [ ‘ ‘, 1, 2, 12, 3, 13, 23, 123 ] Logic : There are 2^n possible combinations for the array of...
Problem : Number list compressing. Given an sorted array. Input: sorted number list [ 1, 2, 3,10, 25, 26, 30, 31, 32, 33] Output: find consecutive segments print: 1-3, 10, 25-26, 30-33 Logic :...
Below are some of the test strings with their expected output. Input: aaabc Output: abaca Input: aa Output: No valid output Input: aaaabc Output: No valid output Logic : Create frequency map of the...
