gauravbansal74

// Complete the countingValleys function below.
    static int countingValleys(int n, String s) {
        int noOfValleys = 0;
        int currentLevel = 0;
        for(char c: s.toCharArray()){
            if(c == 'U') ++currentLevel;
            if(c == 'D') --currentLevel;
            if(currentLevel == 0 && c == 'U') ++noOfValleys;
        }
        return noOfValleys;

gauravbansal74

    static int sockMerchant(int n, int[] arr) {
        Set<Integer> colors = new HashSet<>();
        int pairs = 0;
        if(n == arr.length){
            for (int i = 0; i < n; i++) {
                if (colors.remove(arr[i])) {
                    pairs++;
                } else {
                    colors.add(arr[i]);
                }

gauravbansal74

var input = `1
30 8 10 15 16 18 30`;

function start(input){
  if(input !== ""){
    var inputSplittedByLine = input.split("\n");
    var noOfStatements = inputSplittedByLine[0];
    if(noOfStatements == inputSplittedByLine.length-1){
        for(var i =1; i < inputSplittedByLine.length; i++){
          var currentStatementSplitted = inputSplittedByLine[i].split(" ");

gauravbansal74

var input = `2 
5 16
9 7 2 16 4
7 98
1 22 57 47 34 18 66`;

function searchNumber(digit, input){
	var output = -1;
	for(var i=0; i <input.length; i++){
		if(digit == input[i]){

gauravbansal74

// you can also use imports, for example:
import java.util.*;

// you can write to stdout for debugging purposes, e.g.
// System.out.println("this is a debug message");

class Solution {
    public int solution(int[] A) {
        // write your code in Java SE 8
        int len = A.length;

gauravbansal74

import java.util.*;

// you can write to stdout for debugging purposes, e.g.
// System.out.println("this is a debug message");

class Solution {
    public int solution(int[] A) {
        // write your code in Java SE 8
        int length = A.length;
        int min = 0;

gauravbansal74

// you can also use imports, for example:
import java.util.*;

// you can write to stdout for debugging purposes, e.g.
// System.out.println("this is a debug message");

class Solution {
    public int solution(int N) {
        // write your code in Java SE 8
        int count = 0;

gauravbansal74

import java.util.*;

class IsAnagramPalindrome{

	public static boolean isAnagramOfPalindrome(String s){

        if(s.length() == 0){
        	return false;
        }
        if(s.length() == 1){

gauravbansal74

class FizzBuzz {
    public static void solution(int N) {
        // write your code in Java SE 8
        int count = 0;
        int contCount = 0;

        for(int i = 1; i<=N;i++){

            if((i % 3 == 0) && (i % 5 == 0) && (i % 7 == 0)){
                System.out.println("FizzBuzzWoof");

gauravbansal74

import java.util.Arrays;

public class BinarySearchIndex {

	public static int binarySearchIndex(int[] arr, int item) {

		int length = arr.length;

		int hi = length-1;
		int lo = 0;