[해커랭크] Designer PDF Viewer

https://www.hackerrank.com/challenges/designer-pdf-viewer/problem?isFullScreen=true

Designer PDF Viewer | HackerRank

 

 

 

 

 

 

When a contiguous block of text is selected in a PDF viewer, the selection is highlighted with a blue rectangle. In this PDF viewer, each word is highlighted independently. For example:

There is a list of  character heights aligned by index to their letters. For example, 'a' is at index  and 'z' is at index . There will also be a string. Using the letter heights given, determine the area of the rectangle highlight in  assuming all letters are  wide.

Example
 

The heights are  and . The tallest letter is  high and there are  letters. The hightlighted area will be  so the answer is .

Function Description

Complete the designerPdfViewer function in the editor below.

designerPdfViewer has the following parameter(s):

• int h[26]: the heights of each letter
• string word: a string

Returns

• int: the size of the highlighted area

Input Format

The first line contains  space-separated integers describing the respective heights of each consecutive lowercase English letter, ascii[a-z].
The second line contains a single word consisting of lowercase English alphabetic letters.

Constraints

• , where  is an English lowercase letter.
•  contains no more than  letters.

Sample Input 0

1 3 1 3 1 4 1 3 2 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
abc

Sample Output 0

9

Explanation 0

We are highlighting the word abc:

Letter heights are ,  and . The tallest letter, b, is  high. The selection area for this word is .

Note: Recall that the width of each character is .

Sample Input 1

1 3 1 3 1 4 1 3 2 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 7
zaba

Sample Output 1

28

Explanation 1

The tallest letter in  is  at . The selection area for this word is .

 

 

 

 

풀이

답 = 글자 길이 x 글자별 최대값

 

import java.io.*;

import java.math.*;

import java.security.*;

import java.text.*;

import java.util.*;

import java.util.concurrent.*;

import java.util.function.*;

import java.util.regex.*;

import java.util.stream.*;

import static java.util.stream.Collectors.joining;

import static java.util.stream.Collectors.toList;

class Result {

    /*

     * Complete the 'designerPdfViewer' function below.

     *

     * The function is expected to return an INTEGER.

     * The function accepts following parameters:

     *  1. INTEGER_ARRAY h

     *  2. STRING word

     */

    public static int designerPdfViewer(List<Integer> h, String word) {

    // Write your code here

        int max = 1;

        for(int i=0; i<word.length(); i++){

            int index = word.charAt(i)-'a';

            max = (h.get(index) > max) ? h.get(index) : max;

        }

        return max * word.length();

    }

}

public class Solution {

    public static void main(String[] args) throws IOException {

        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));

        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        List<Integer> h = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))

            .map(Integer::parseInt)

            .collect(toList());

        String word = bufferedReader.readLine();

        int result = Result.designerPdfViewer(h, word);

        bufferedWriter.write(String.valueOf(result));

        bufferedWriter.newLine();

        bufferedReader.close();

        bufferedWriter.close();

    }

}