Software Engineer Interview Questions

Anonymous Emu - "let str = 'this is a test of programs'; let obj={}; for (let s of str ) obj[s]?(obj[s]=obj[s]+1):(obj[s]=1) console.log(JSON.stringify(obj))"See full answer

Ali H. - "CIDR (Classless Inter-Domain Routing) -- also known as supernetting -- is a method of assigning Internet Protocol (IP) addresses that improves the efficiency of address distribution and replaces the previous system based on Class A, Class B and Class C networks."See full answer

Rudransh V. - "I got it right"See full answer

Sourav K. - "We can use a pool of memory where each index we can store the parent of current index then we can use same lca approach for array instead of pointers."See full answer

Relynn may silver B. - "import java.util.Arrays; import java.util.stream.Collectors; class Main { // Recursive function to print all combinations of numbers from \i\ to \n\ // having sum \n. The index\ denotes the next free slot in the output array \out\ public static void printCombinations(int i, int n, int[] out, int index) { // if the sum becomes n, print the combination if (n == 0) { System.out.println(Arrays.stream(out).limit(index) .boxed().collect(Collectors.toList())); } // start from the previous e"See full answer

Kwaku K. - "Use a min-heap or sort the array, either method works"See full answer