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AlphabetSymmetry.java
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AlphabetSymmetry.java
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package com.smlnskgmail.jaman.codewarsjava.kyu7;
import java.util.Arrays;
import java.util.stream.IntStream;
// https://www.codewars.com/kata/59d9ff9f7905dfeed50000b0
public class AlphabetSymmetry {
private final String[] input;
public AlphabetSymmetry(String[] input) {
this.input = input;
}
public int[] solution() {
int[] result = new int[input.length];
final int[] currentWordIndex = {0};
Arrays
.stream(input)
.forEach(s -> {
IntStream.range(0, s.length()).forEach(value -> {
char charAt = s.charAt(value);
String letter = String.valueOf(charAt);
int asciiOffset = letter.toLowerCase().equals(letter) ? 96 : 64;
if (charAt - asciiOffset == value + 1) {
result[currentWordIndex[0]]++;
}
});
currentWordIndex[0]++;
});
return result;
}
}