#include<stdio.h>
#include<time.h>
#include<string.h>

void questions_easy(void);
void s_table1(int [][9]);
void ans1(int [][9], int [], int []);


int o = 49, t = 50, tr = 51, f = 52, fv = 53, sx = 54, sn = 55, eg = 56, ne = 57;
int rand(void);

int main()
{
     questions_easy();


     getch();
     return 0;
}

void questions_easy(void)
{
     int i, r, r1[10], r2[10], v1 = 0, v2 = 0;
     int sudoku[9][9];
     srand((unsigned)time(NULL));

     sudoku[9][0] = tr;          //row 9
     sudoku[9][1] = t;
     sudoku[9][2] = eg;
     sudoku[9][3] = f;
     sudoku[9][4] = o;
     sudoku[9][5] = ne;
     sudoku[9][6] = fv;
     sudoku[9][7] = sx;
     sudoku[9][8] = sn;

     sudoku[8][0] = o;          //row 8
     sudoku[8][1] = sn;
     sudoku[8][2] = sx;
     sudoku[8][3] = eg;
     sudoku[8][4] = t;
     sudoku[8][5] = fv;
     sudoku[8][6] = f;
     sudoku[8][7] = tr;
     sudoku[8][8] = ne;

     sudoku[7][0] = ne;         //row 7
     sudoku[7][1] = f;
     sudoku[7][2] = fv;
     sudoku[7][3] = sx;
     sudoku[7][4] = tr;
     sudoku[7][5] = sn;
     sudoku[7][6] = o;
     sudoku[7][7] = eg;
     sudoku[7][8] = t;

     sudoku[6][0] = t;          //row 6
     sudoku[6][1] = ne;
     sudoku[6][2] = tr;
     sudoku[6][3] = o;
     sudoku[6][4] = sn;
     sudoku[6][5] = f;
     sudoku[6][6] = sx;
     sudoku[6][7] = fv;
     sudoku[6][8] = eg;

     sudoku[5][0] = sn;         //row 5
     sudoku[5][1] = fv;
     sudoku[5][2] = o;
     sudoku[5][3] = ne;
     sudoku[5][4] = sx;
     sudoku[5][5] = eg;
     sudoku[5][6] = tr;
     sudoku[5][7] = t;
     sudoku[5][8] = f;

     sudoku[4][0] = eg;          //row 4
     sudoku[4][1] = sx;
     sudoku[4][2] = f;
     sudoku[4][3] = tr;
     sudoku[4][4] = fv;
     sudoku[4][5] = t;
     sudoku[4][6] = sn;
     sudoku[4][7] = ne;
     sudoku[4][8] = o;

     sudoku[3][0] = fv;          //row 3
     sudoku[3][1] = o;
     sudoku[3][2] = ne;
     sudoku[3][3] = t;
     sudoku[3][4] = f;
     sudoku[3][5] = tr;
     sudoku[3][6] = eg;
     sudoku[3][7] = sn;
     sudoku[3][8] = sx;

     sudoku[2][0] = f;          //row 2
     sudoku[2][1] = eg;
     sudoku[2][2] = sn;
     sudoku[2][3] = fv;
     sudoku[2][4] = ne;
     sudoku[2][5] = sx;
     sudoku[2][6] = t;
     sudoku[2][7] = o;
     sudoku[2][8] = tr;

     sudoku[1][0] = sx;          //row 1
     sudoku[1][1] = tr;
     sudoku[1][2] = t;
     sudoku[1][3] = sn;
     sudoku[1][4] = eg;
     sudoku[1][5] = o;
     sudoku[1][6] = ne;
     sudoku[1][7] = f;
     sudoku[1][8] = fv;


     for(i = 0, r = 0; i<10; i++, v1++, v2++){
           r1[v1] = rand() % 9;
           r2[v2] = rand() % 9;
           sudoku[r1[v1]][r2[v2]] = ' ';
           }

     s_table1(sudoku);
     ans1(sudoku, r1, r2);
     }

void s_table1(int q[][9])
{
     int i, j, r = 1, row, col;


     printf("\t\t\t\t     SUDOKU(9x9)");
     printf("\n\n\n");
     printf("\t\t\t\t    A   B   C   D   E   F   G   H   I\n");

     for (row=18; row>=0; row--,r++)
         {
                 for (col=0; col<9; col++)
                 {
                     if (col==0)
                     { printf("\t\t\t\t");
                       if (row==0)
                         printf("  %c",200);
                       else if (row==18)
                         printf("  %c",201);
                       else if (row%2==0)
                         printf("  %c",204);
                       else
                         printf("%d ",(row%1 + r)/2);
                     }

                     else

                     {
                       if (row==18)
                          printf("%c",203);
                       else if (row==0)
                          printf("%c",202);
                       else if (row%2==0)
                          printf("%c",206);
                     }
                     if (row%2==0)
                        printf("%c%c%c",205,205,205);
                     else if (row%2==1)
                        printf("%c %c ",186,q[row/2][col]);

                     if (col==8)
                     {
                       if (row==18)
                         printf("%c",187);
                       else if (row==0)
                         printf("%c",188);
                       else if (row%2==1)
                         printf("%c",186);
                       else if (row%2==0)
                         printf("%c",185);

                       printf("\n");
                     }
                 }
         }
     printf("\t\t\t\t    A   B   C   D   E   F   G   H   I     \n");
     }


void ans1(int given[][9], int rand1[], int rand2[])
{
     int i, j, check1, check2, number, ycounter = 0, ncounter = 0;
     char letter;

     for(check1 = 0; check1<9; check1++){
                for(check2 = 0; check2<9; check2++){
                           if(given[check1][check2] == ' ')
                           ncounter++;
                           else if(given[check1][check2] != ' ')
                           ycounter++;
                           }
                           }


     printf("\nPlease input the letter which corresponds to the column: ");
     scanf("%c", &letter);

     if(letter == 'A' || 'a')
          j = 0;
     if(letter == 'B' || 'b')
          j = 1;
     if(letter == 'C' || 'c')
          j = 2;
     if(letter == 'D' || 'd')
          j = 3;
     if(letter == 'E' || 'e')
          j = 4;
     if(letter == 'F' || 'f')
          j = 5;
     if(letter == 'G' || 'g')
          j = 6;
     if(letter == 'H' || 'h')
          j = 7;
     if(letter == 'I' || 'i')
          j = 8;

     printf("\nPlease input the number which corresponds to the row: ");
     scanf("%d", &number);
     if(number == 1)
            i = 0;
     if(number == 2)
            i = 1;
     if(number == 2)
            i = 2;
     if(number == 2)
            i = 3;
     if(number == 2)
            i = 4;
     if(number == 2)
            i = 5;
     if(number == 2)
            i = 6;
     if(number == 2)
            i = 7;
     if(number == 2)
            i = 8;



     printf("test lng kung pila: ncounter: %d, ycounter: %d\n\n", ncounter, ycounter);



     for(i = 0, j = 0;i<10, j<10;i++, j++)
     {
           printf("[%d]", rand1[i]);
           printf("[%d]\n", rand2[j]);
           }


}