https://kaoshi.wjx.top/vm/YDnBsBK.aspx#

//华容道
//author:Mitchell_Donovan
//Date:2021.3.13

#include<iostream>
#include<stdlib.h>
using namespace std;

class HUARONG {
private:
	int index;
	int* array;
public:
	HUARONG(int n) {
		index = n;
		array = new int [index * index];
		for (int i = 0; i < index * index; i++) {
			array[i] = i;
		}
		for (int i = 0; i < index * index; i++) {
			int x = array[i];
			int pos = rand() % (n * n);
			array[i] = array[pos];
			array[pos] = x;
		}
	}
	void print() {
		for (int i = 0; i < index * index; i++) {
			if (array[i] == 0) {
				cout.width(4);
				cout<<" ";
			}
			else {
				cout.width(4);
				cout << array[i];
			}
			if (i % index == index - 1) {
				cout << endl;
			}
		}
	}
	bool isCorrect(){
		for (int i = 0; i < index * index - 1; i++) {
			if (array[i] != i + 1) {
				return false;
			}
		}
		return true;
	}
	void play() {
		print();
		while (isCorrect() != true) {
			move();
			print();
		}
		cout << "成功！" << endl;
	}
	void move() {
		char a;
		do {
			cout << "请输入移动方向↑(w)↓(s)←(a)→(d)——";
			cin >> a;
		} while (!((a == 's' && (whereBlank() - index) >= 0) || (a == 'w' && (whereBlank() + index) < index * index) || (a == 'd' && (whereBlank() - 1) >= 0 && whereBlank() % index != 0) || (a == 'a' && (whereBlank() + 1) < index * index && (whereBlank() + 1) % index != 0)));
		if (a == 'w') {
			int pos = whereBlank();
			int x = array[pos];
			array[pos] = array[pos + index];
			array[pos + index] = x;
		}
		else if (a == 's') {
			int pos = whereBlank();
			int x = array[pos];
			array[pos] = array[pos - index];
			array[pos - index] = x;
		}
		else if (a == 'a') {
			int pos = whereBlank();
			int x = array[pos];
			array[pos] = array[pos + 1];
			array[pos + 1] = x;
		}
		else if (a == 'd') {
			int pos = whereBlank();
			int x = array[pos];
			array[pos] = array[pos - 1];
			array[pos - 1] = x;
		}
	}
	int whereBlank() {
		for (int i = 0; i < index * index; i++) {
			if (array[i] == 0 ) {
				return i;
			}
		}
	}

};

int main() {
	int n;
	cout << "请输入华容道的阶数：";
	cin >> n;
	HUARONG a(n);
	a.play();
}

#include <iostream>
#include <vector>

// 检查是否有玩家获胜
bool checkWin(const std::vector<std::vector<char>>& board, char player) {
    // 检查行
    for (int i = 0; i < 3; ++i) {
        if (board[i][0] == player && board[i][1] == player && board[i][2] == player) {
            return true;
        }
    }

    // 检查列
    for (int j = 0; j < 3; ++j) {
        if (board[0][j] == player && board[1][j] == player && board[2][j] == player) {
            return true;
        }
    }

    // 检查对角线
    if (board[0][0] == player && board[1][1] == player && board[2][2] == player) {
        return true;
    }
    if (board[0][2] == player && board[1][1] == player && board[2][0] == player) {
        return true;
    }

    return false;
}

// 检查棋盘是否已满
bool isBoardFull(const std::vector<std::vector<char>>& board) {
    for (const auto& row : board) {
        for (char cell : row) {
            if (cell == ' ') {
                return false;
            }
        }
    }
    return true;
}

// 打印棋盘
void printBoard(const std::vector<std::vector<char>>& board) {
    std::cout << "  0 1 2" << std::endl;
    for (int i = 0; i < 3; ++i) {
        std::cout << i << " ";
        for (int j = 0; j < 3; ++j) {
            std::cout << board[i][j];
            if (j < 2) {
                std::cout << "|";
            }
        }
        std::cout << std::endl;
        if (i < 2) {
            std::cout << "  -+-+-" << std::endl;
        }
    }
}

int main() {
    std::vector<std::vector<char>> board(3, std::vector<char>(3, ' '));
    char currentPlayer = 'X';

    while (true) {
        printBoard(board);

        int row, col;
        std::cout << "玩家 " << currentPlayer << " 的回合，请输入行和列 (例如: 0 1): ";
        std::cin >> row >> col;

        // 检查输入是否合法
        if (row < 0 || row >= 3 || col < 0 || col >= 3 || board[row][col] != ' ') {
            std::cout << "无效的输入，请重新输入。" << std::endl;
            continue;
        }

        // 更新棋盘
        board[row][col] = currentPlayer;

        // 检查是否有玩家获胜
        if (checkWin(board, currentPlayer)) {
            printBoard(board);
            std::cout << "玩家 " << currentPlayer << " 获胜！" << std::endl;
            break;
        }

        // 检查是否平局
        if (isBoardFull(board)) {
            printBoard(board);
            std::cout << "平局！" << std::endl;
            break;
        }

        // 切换玩家
        currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
    }

    return 0;
}

//24点2.0
#include<bits/stdc++.h>
using namespace std;
int a[10],b[10],x[10],y[10];
void sc()
{
	for(int i=1;i<=3;i++)
	{
		if(x[i]<y[i])swap(x[i],y[i]);
		cout<<x[i];
		if(b[i]==1)cout<<"+"<<y[i]<<"="<<x[i]+y[i];
		if(b[i]==2)cout<<"-"<<y[i]<<"="<<x[i]-y[i];
		if(b[i]==3)cout<<"*"<<y[i]<<"="<<x[i]*y[i];
		if(b[i]==4)cout<<"/"<<y[i]<<"="<<x[i]/y[i];
		cout<<"\n";
	}
}
bool ck()
{
	for(int i=1;i<=4;i++)if(a[i]==24)return 1;
	return 0; 
}
void dfs(int t)
{
	if(t>3)
	{
		if(ck())
		{
			sc();
			exit(0);
		}
		return;
	}
	for(int i=2;i<=4;i++)
	{
		for(int j=1;j<=4;j++)
		{
			if(i!=j&&a[j]!=-1&&a[i]!=-1)
			{
				for(int k=1;k<=4;k++)
				{
					x[t]=a[i];
					y[t]=a[j];
					int l=a[i],r=a[j];
					if(k==1)
					{
						b[t]=1;
						a[i]=l+r;
					}
					if(k==2)
					{
						b[t]=2;
						a[i]=abs(l-r);
					}
					if(k==3)
					{
						b[t]=3;
						a[i]=l*r;
					}
					if(k==4)
					{
						if(a[j]==0||l%r!=0)continue;
						b[t]=4;
						a[i]=l/r;
					}
					a[j]=-1;
					dfs(t+1);
					a[i]=l;
					a[j]=r;
				}			
			}
		}
	}
}
int main()
{
	//freopen("Poker.in","r",stdin);
	//freopen("Poker.out","w",stdout);
	cin>>a[1]>>a[2]>>a[3]>>a[4];
	dfs(1); 
	cout<<"No answer!";
	return 0;
}