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  2. Regex
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  4. HackerRank Tweets
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HackerRank Tweets

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98 Discussions

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  • dalmanjunivanne
     + 0 comments

    Javascript one liner

    Showoff your array knowledge

    console.log(input.split("\n").slice(1).reduce((sum, val) => (/hackerrank/i.test(val) ? sum + 1 : sum), 0))

    Showoff your flags knowledge

    console.log(input.match(/hackerrank/gi).length);

  • preethiannjacob
     + 0 comments

    Java 15

    import java.io.*;
import java.util.*;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
public class Solution {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());
        Pattern pattern = Pattern.compile("hackerrank",Pattern.CASE_INSENSITIVE);
        int count=0;
        for(int i=0;i<n;i++)
        {   Matcher matcher = pattern.matcher(scanner.nextLine());
            if (matcher.find()) count++;
        }
        System.out.println(count);
    }
}

  • nhatminhlearnin1
     + 0 comments

    Python 3

    import re
n = int(input())
counter = 0
for _ in range(n):
    tweet = input()
    if re.search(r"hackerrank", tweet, re.IGNORECASE):
        counter += 1
print(counter)

  • warshout
     + 0 comments

    Javascript:

    const lines = input.match(/^.*?\bhackerrank\b.*?$/gmi);
console.log(lines.length);

  • kisqtya
     + 0 comments

    As a oneliner:

    print(sum(1 if 'hackerrank' in input().lower() else 0 for _ in range(int(input()))))