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- package lists;
- import java.text.DecimalFormat;
- import java.util.Arrays;
- import java.util.List;
- import java.util.Scanner;
- import java.util.stream.Collectors;
- public class P01SumAdjacentEqualNumbers {
- public static void main(String[] args) {
- Scanner scanner = new Scanner(System.in);
- List<Double> numList = Arrays
- .stream(scanner.nextLine().split(" "))
- .map(Double::parseDouble)
- .collect(Collectors.toList());
- for (int i = 0; i < numList.size() - 1; i++) {
- if (numList.get(i).equals(numList.get(i + 1))) {
- numList.set(i, numList.get(i) + numList.get(i + 1));
- numList.remove(i + 1);
- i = -1;
- }
- }
- System.out.println(joinElementsByDelimiter(numList, " "));
- }
- public static String joinElementsByDelimiter (List<Double> list, String delimiter) {
- String output = "";
- for (Double item : list) {
- DecimalFormat df = new DecimalFormat("0.#");
- String numDf = df.format(item) + delimiter;
- output += numDf;
- }
- return output;
- }
- }
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