# HackerRank in a String! in Algorithm | HackerRank Programming Solutions | HackerRank Problem Solving Solutions in Java [💯Correct]

Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank, Algorithm Solutions of Problem Solving Section in Java. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for HackerRank in a String! in Java-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

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#### Introduction To Algorithm

The word Algorithm means “a process or set of rules to be followed in calculations or other problem-solving operations”. Therefore Algorithm refers to a set of rules/instructions that step-by-step define how a work is to be executed upon in order to get the expected results.

• It is easy to understand.
• Algorithm is a step-wise representation of a solution to a given problem.
• In Algorithm the problem is broken down into smaller pieces or steps hence, it is easier for the programmer to convert it into an actual program.

Link for the ProblemHackerRank in a String! – Hacker Rank Solution

`HackerRank in a String! – Hacker Rank Solution`

### Problem:

We say that a string contains the word `hackerrank` if a subsequence of its characters spell the word `hackerrank`. Remeber that a subsequence maintains the order of characters selected from a sequence.

More formally, let  be the respective indices of `h``a``c``k``e``r``r``a``n``k` in string . If  is true, then  contains `hackerrank`.

For each query, print `YES` on a new line if the string contains `hackerrank`, otherwise, print `NO`.

Example

This contains a subsequence of all of the characters in the proper order. Answer `YES`

This is missing the second ‘r’. Answer `NO`.

There is no ‘c’ after the first occurrence of an ‘a’, so answer `NO`.

Function Description

Complete the hackerrankInString function in the editor below.

hackerrankInString has the following parameter(s):

• string s: a string

Returns

• string: `YES` or `NO`

Input Format

The first line contains an integer , the number of queries.
Each of the next  lines contains a single query string .

Constraints

Sample Input 0

```2
hereiamstackerrank
hackerworld
```

Sample Output 0

```YES
NO
```

Explanation 0

We perform the following  queries:

1. The characters of `hackerrank` are bolded in the string above. Because the string contains all the characters in `hackerrank` in the same exact order as they appear in `hackerrank`, we return `YES`.
2.  does not contain the last three characters of `hackerrank`, so we return `NO`.

Sample Input 1

```2
hhaacckkekraraannk
rhbaasdndfsdskgbfefdbrsdfhuyatrjtcrtyytktjjt
```

Sample Output 1

```YES
NO```
`HackerRank in a String! – Hacker Rank Solution`
```import java.util.Scanner;
public class LCS {
public static void main(String[] args) throws Exception {
Scanner scan = new Scanner(System.in);
int q = scan.nextInt();
while (q-- > 0) {
String s1 = scan.next();
String s2 = "hackerrank";
int m = s1.length();
int n = s2.length();
char a[] = s1.toCharArray();
char b[] = s2.toCharArray();
int c[][] = new int[n + 1][m + 1];
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (b[i - 1] == a[j - 1]) {
c[i][j] = c[i - 1][j - 1] + 1;
} else {
c[i][j] = Math.max(c[i - 1][j], c[i][j - 1]);
}
}
}
int count = c[n][m];
if(count == n) {
System.out.println("YES");
} else {
System.out.println("NO");
}
}
}
}```

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