加減乘除=4

/*
A+B-C=4
+ - -
D-E*F=4
/ * -
G+H-I=4
= = =
4 4 4
by游照臨2015/7/6
*/
#include <omp.h>
#include <iostream>
using namespace std;
double i[9];
int index = 0;
int main()
{

    for (i[0] = 1;i[0] < 10; i[0]++)
    {
        for (i[1] = 1;i[1] < 10;i[1]++)
        {
            for (i[2] = 1;i[2] < 10;i[2]++)
            {
                for (i[3] = 1;i[3] < 10;i[3]++)
                {
                    for (i[4] = 1;i[4] < 10;i[4]++)
                    {
                        for (i[5] = 1;i[5] < 10;i[5]++)
                        {
                            for (i[6] = 1;i[6] < 10;i[6]++)
                            {
                                for (i[7] = 1;i[7] < 10;i[7]++)
                                {
                                    for (i[8] = 1;i[8] < 10;i[8]++)
                                    {
                                        if (
                                            (i[0] + i[1] - i[2] == 4) &&
                                            (i[3] - i[4] * i[5] == 4) &&
                                            (i[6] + i[7] - i[8] == 4) &&
                                            (i[0] + i[3] / i[6] == 4) &&
                                            (i[1] - i[4] * i[7] == 4) &&
                                            (i[2] - i[5] - i[8] == 4)
                                            )
                                        {
                                            index++;
                                            cout << "第" << index << "組：" << endl;
                                            cout << i[0] << i[1] << i[2] << i[3] << i[4] << i[5] << i[6] << i[7] <<i[8]<< endl;
                                            cout << i[0] << "+" << i[1] << "-" << i[2] << "=4" << endl;
                                            cout << "+ - -" << endl;
                                            cout << i[3] << "-" << i[4] << "*" << i[5] << "=4" << endl;
                                            cout << "/ * -" << endl;
                                            cout << i[6] << "+" << i[7] << "-" << i[8] << "=4" << endl;
                                            cout << "= = =" << endl;
                                            cout << "4 4 4" << endl << endl << endl;
                                        }

                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    system("PAUSE");
    return 0;
}