Commonly asked Data Structures and Algorithms Problems by big tech and different solution approaches with code in Java and C

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Wednesday, June 21, 2017

HackerRank in a String Solution


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

public class Solution {
public static String check(String s)
{
        String str = "hackerrank";
        if (s.length() < str.length()) {
            return "NO";
        }
        int j = 0;
        for (int i = 0; i < s.length(); i++) {
            if (j < str.length() && s.charAt(i) == str.charAt(j)) {
                    j++;
            }
        }
        return (j == str.length() ? "YES" : "NO");
}
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
            System.out.println(check(s));
        }
    }
}

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