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- package list;
- import java.text.DecimalFormat;
- import java.util.ArrayList;
- 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);
- String input = scanner.nextLine();
- List<Double> numbersList = Arrays
- .stream(input.split(" "))
- .map(Double::parseDouble)
- .collect(Collectors.toList());
- for (int i = 0; i < numbersList.size() - 1; i++) {
- double currentNum = numbersList.get(i);
- double nextNum = numbersList.get(i + 1);
- if (currentNum == nextNum) {
- double sum = currentNum + nextNum;
- numbersList.set(i, sum);
- numbersList.remove(i + 1);
- i = -1;
- }
- }
- System.out.println(joinElementsByDelimiter(" ", numbersList));
- }
- public static String joinElementsByDelimiter(String delimiter, List<Double> list) {
- DecimalFormat df = new DecimalFormat("0.#");
- String result = "";
- for (double item : list) {
- String numDf = df.format(item) + delimiter;
- result += numDf;
- }
- return result;
- }
- }
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