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- import java.util.Scanner;
- public class OldBooks_01 {
- public static void main(String[] args) {
- Scanner scanner = new Scanner(System.in);
- //Всички комбинации
- //първо число -> [start, end]
- //второ число -> [start, end]
- int start = Integer.parseInt(scanner.nextLine());
- int end = Integer.parseInt(scanner.nextLine());
- int magicNumber = Integer.parseInt(scanner.nextLine());
- int count = 0;
- boolean isFound = false; //нямаме намерена комбинация
- for (int firstNumber = start; firstNumber <= end; firstNumber++) { //първо
- for (int secondNumber = start; secondNumber <= end; secondNumber++) { //второ
- //всички двойки числа
- count++;
- if (firstNumber + secondNumber == magicNumber) {
- //намерили сме валидна комбинация
- isFound = true;
- System.out.printf("Combination N:%d (%d + %d = %d)", count, firstNumber, secondNumber, magicNumber);
- break;
- }
- }
- if (isFound) {
- break;
- }
- }
- if (!isFound) { //търсим isFound да е false
- //не е намерена комбинация
- System.out.printf("%d combinations - neither equals %d", count, magicNumber);
- }
- }
- }
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