thmain

import java.util.Stack;

public class ReverseDLL {

    static class Node{
        int data;
        Node prev;
        Node  next;

        public Node(int data){

thmain

package main

import "fmt"

func findTwoRepeating(A []int) {
    fmt.Print("Repeated Elements: ")
    for i := 0; i < len(A); i++ {
        for j := i + 1; j < len(A); j++ {
            if A[i] == A[j] {
                fmt.Print(A[i], " ")

thmain

def find_two_repeating(A):
    print("Repeated Elements:")
    for i in range(len(A)):
        for j in range(i + 1, len(A)):
            if A[i] == A[j]:
                print(A[i], end=" ")

if __name__ == "__main__":
    A = [1, 5, 2, 4, 8, 9, 3, 1, 4, 0]
    find_two_repeating(A)

thmain

class MinimumCostStaircaseRecursion:
    def minCost(self, cost):
        stairs = len(cost) - 1
        return self.util(cost, -1, stairs)
    
    def util(self, cost, current, stairs):
        if current == stairs:
            return cost[current]
        
        if current > stairs:

thmain

import java.util.Stack;

public class ReverseLL {

    static class Node {
        int data;
        Node next;

        public Node(int data) {
            this.data = data;

thmain

import java.util.HashMap;
import java.util.Map;

public class RobotColoringProblem {

    public boolean isPossible(int row, int col, int [][] input){
        if(row>=0 && col>=0 && col<input.length && row<input[0].length)
            return true;
        return false;
    }

thmain

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

class Lecture {
    int startTime;
    int endTime;

    public Lecture(int startTime, int endTime) {
        this.startTime = startTime;

thmain

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

class Lecture {
    int startTime;
    int endTime;

    public Lecture(int startTime, int endTime) {

thmain

import java.util.Arrays;

public class WeightedJobSchedulingBinarySearch {

    static class Job {
        int start_time;
        int end_time;
        int weight;

        public Job(int start_time, int end_time, int weight) {

thmain

import java.util.Arrays;

class Job {
    int start_time;
    int end_time;
    int weight;

    public Job(int start_time, int end_time, int weight) {
        this.start_time = start_time;
        this.end_time = end_time;