64 lines
1.7 KiB
Java
64 lines
1.7 KiB
Java
import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Scanner;
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import java.io.File;
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import java.io.FileNotFoundException;
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class day6 {
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public static void main(String[] args) {
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File myFile = new File("input.txt");
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try {
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Scanner in = new Scanner(myFile);
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ArrayList<String> inputs = new ArrayList<String>();
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String line = "";
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String input = "";
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while (in.hasNext()) {
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input = "";
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input = in.nextLine();
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if (input.length() == 0) {
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inputs.add(line.substring(0, line.length() - 1));
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line = "";
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} else {
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line += input + ",";
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}
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}
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inputs.add(line.substring(0, line.length() - 1));
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int sum = 0;
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for (String current : inputs) {
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HashMap<Character, Integer> map = new HashMap<>();
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String[] currentSplit = current.split(",");
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for (String single : currentSplit) {
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for (char c : single.toCharArray()) {
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if (map.get(c) == null) {
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map.put(c, 1);
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} else {
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map.put(c, map.get(c) + 1);
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}
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}
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}
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for (char c : map.keySet()) {
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if (map.get(c) == currentSplit.length) sum++;
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}
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}
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System.out.printf("Total sum %d", sum);
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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}
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}
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} |