rajatgoyal715

Ubuntu Boot Repair

https://help.ubuntu.com/community/Boot-Repair

sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair && boot-repair

rajatgoyal715

import java.util.*;

class PaintersPartitionProblem {

    public int paint(int A, int B, int[] C) {

		long low = getMax(C); // units to paint when there are infinte number of painters
		long high = getSum(C); // units to paint when there is only one painter

		while(low < high) {

rajatgoyal715

URL Regex

((?:ftp|https?):\/\/)?([a-z0-9_]+:[a-z0-9_]+@)?(([a-z0-9.-]+)\.(in|com|net|org|co\.in|co))(:[0-9]+)?(\/.*)?

Email Regex

/([A-Za-z0-9.+-_%/]+)@([A-Za-z0-9-.]+\.[A-Za-z]+)/g

Phone Regex

rajatgoyal715

import java.util.*;
class HashMapTest{
	static HashMap<Integer, Integer> map;
	public static void main(String args[]){
		map = new HashMap<>();
		addKey(1);
		deleteKey(1);
	}
	public static void addKey(int key){
		int count = 0;

rajatgoyal715

#include <stdio.h>
int main(void)
{
	FILE *fp;
	char c;
	fp = fopen(__FILE__, "r");
	do
	{ 
		c=fgetc(fp);
		putchar(c);

rajatgoyal715

import java.util.*;
import java.io.*;

import java.awt.*;
import java.awt.image.*;
import javax.imageio.*;

class Compare {
	public static void main(String args[]) throws IOException {
		File file1 = new File("new-10.bmp");

rajatgoyal715

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in).useDelimiter(", ");

rajatgoyal715

import java.io.*;
import java.util.*;

public class LeaveThisOne {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int l = in.nextInt();
        long arr[] = new long[l];
        for(int i=0;i<l;i++)

rajatgoyal715

public class Solution {
   
   public static void main(String []argv)
   {
      System.out.println("Hello World.");
      System.out.println("Hello Java.");
   }

}