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int length = scanner.nextInt();
int[] array = new int[length];
System.out.println("Введите элементы массива:");
for (int i = 0; i < length; i++) {
array[i] = scanner.nextInt();
}
System.out.println("Введите число для сравнения:");
int target = scanner.nextInt();
int[] indexes = findIndexes(array, target);
System.out.print("Индексы чисел в массиве, сумма которых равна " + target + ": ");
for (int index : indexes) {
System.out.print(index + " ");
}
}
public static int[] findIndexes(int[] array, int target) {
int[] indexes = new int[2];
for (int i = 0; i < array.length; i++) {
for (int j = i + 1; j < array.length; j++) {
if (array[i] + array[j] == target) {
indexes[0] = i;
indexes[1] = j;
break;
}
}
}
return indexes;
}
2 file
System.out.println("Введите строку:");
String input = scanner.nextLine();
input = input.trim();
int firstWordLength = input.indexOf(' ');
int lastWordLength = input.lastIndexOf(' ');
if (firstWordLength == -1) {
firstWordLength = input.length();
}
if (lastWordLength == -1) {
lastWordLength = input.length();
} else {
lastWordLength = input.length() - lastWordLength - 1;
}
System.out.println("Количество букв в первом слове: " + firstWordLength);
System.out.println("Количество букв в последнем слове: " + lastWordLength);
}
Main.java:
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
2
StringOperations.java:
import java.util.Scanner;
public class StringOperations {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
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