AndrewBystrov

import java.util.Arrays;
import java.util.function.IntPredicate;
import java.util.stream.IntStream;

class Scratch {
	public static void main(String[] args) {
		out(solve(new int[]{1, 2, 3, 4, 5, 6}));
		out(solve(new int[]{0, 0, 0, 0, 0, 0}));
		out(solve(new int[]{0, 0, 0, 1, 2, 3}));
		out(solve(new int[]{1, 2, 3, 0, 0, 0}));

AndrewBystrov

import java.util.Arrays;

class Scratch {
	public static void main(String[] args) {
		System.out.println(solve(new int[]{1, 2, 3, 1}, 3));
		System.out.println(solve(new int[]{1, 0, 1, 1}, 1));
		System.out.println(solve(new int[]{1, 2, 3, 1, 2, 3}, 2));
		System.out.println(solve(new int[]{1, 2, 3, 1, 2, 3}, 3));
		System.out.println(solve(new int[]{-1, -2, -3, 1, 2, 3}, 3));
		System.out.println(solve(new int[]{-1, 2, -3, 1, 2, -3}, 3));

AndrewBystrov

import java.util.Arrays;
import java.util.stream.Collectors;

class Scratch {
	public static void main(String[] args) {
		solve(5);
	}

	private static void solve(int h) {
		int w = 2 * h - 1;			// ширина основания нашей пирамиды

AndrewBystrov

class Scratch {
	public static void main(String[] args) {
		solve(new int[][]{
				new int[]{6, 4, 10, 11},
				new int[]{2, 9, 9, 3},
				new int[]{5, 4, 5, 4},
		}); //25

		solve(new int[][]{
				new int[]{1, 1, 1},

AndrewBystrov

class Scratch {
	public static void main(String[] args) {
		System.out.println(solve("A1-A1")); //false
		System.out.println(solve("K1-H2"));	//false
		System.out.println(solve("H9-H2"));	//false
		System.out.println(solve("A1-K2"));	//false
		System.out.println(solve("A1-A9"));	//false

		System.out.println(solve("A1-B3"));	//true
		System.out.println(solve("B3-A1"));	//true

AndrewBystrov

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

class Scratch {
	public static void main(String[] args) {
		out(new int[]{-1, 2, -1, 3, -4}); // -1 -1 -4
		out(new int[]{-1, -2, -1, 13, -4}); // 13
		out(new int[]{-1, -2, -1, -3, -4}); // -1 -2 -1 -3 -4
		out(new int[]{-1, 2}); // 2

AndrewBystrov

import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.stream.Collectors;

public class Task137 {
	public static void main(String[] args) {
		System.out.println("1		= " + solve(1));		// 1
		System.out.println("2		= " + solve(2));		// 2
		System.out.println("10		= " + solve(10));		// 25

AndrewBystrov

class Scratch {
	public static void main(String[] args) {
		System.out.println(findDeletedChar(new char[]{'a', 'b', 'c'}, new char[]{'c', 'b'})); // a
		System.out.println(findDeletedChar(new char[]{'a', 'b', 'c'}, new char[]{'a', 'b'})); // c
		System.out.println(findDeletedChar(new char[]{'a', 'b', 'c'}, new char[]{'a', 'c'})); // b
		System.out.println(findDeletedChar(new char[]{'a', 'b', 'c'}, new char[]{'a', 'b'})); // c
		System.out.println(findDeletedChar(new char[]{'a', 'b', 'c'}, new char[]{'b', 'c'})); // a
		System.out.println(findDeletedChar(new char[]{'a', 'b', 'c', 'd'}, new char[]{'b', 'a', 'c'})); // d
	}

AndrewBystrov

class Scratch {
	public static void main(String[] args) {
		System.out.println(solve(3, 2, 1)); // 6
		System.out.println(solve(3, 1, 1)); // 1
		System.out.println(solve(3, 1, 3)); // 3
		System.out.println(solve(3, 2, 3)); // 4
		System.out.println(solve(1, 1, 1)); // 1
		System.out.println(solve(3, 3, 3)); // 9
		System.out.println(solve(3, 3, 1)); // 7

AndrewBystrov

class Scratch {
	public static void main(String[] args) {
		System.out.println(solve(3, 2, 1)); // 6
		System.out.println(solve(3, 1, 1)); // 1
		System.out.println(solve(3, 1, 3)); // 3
		System.out.println(solve(3, 2, 3)); // 4
		System.out.println(solve(1, 1, 1)); // 1
		System.out.println(solve(3, 3, 3)); // 9
		System.out.println(solve(3, 3, 1)); // 7