This is due in a few hours I don't know if I did this correctly can you double check my code to see if my return statements are fine and I follow the instructions accurately. Thank you!!!
Modify my code if anything return statement seems misplaced or inaccurately called.
Here is my code:
int write_sudoku_board(const char file_name[ ], int board[9][9]) { int number; int i,j; int a = 9; FILE* fp = fopen("sudoku.txt", "w"); int count = 0; for(i = 0; i < a; i++){ for(j = 0; j < 9; j++) { if (board[i][j] == 0) fprintf(fp, "-"); else { fprintf(fp, "%d", board[i][j]); } } fprintf(fp,"\n"); count++; } number = is_valid_board(board); if(number == 1) return 0; else if(count != a-1) return -1; else return -2; }
int is_valid_board(int board[9][9]) { int array[10]; int array_box[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0}; int i, j, k, x, y; //rows=i, columns =j for (i=0; i<9; i++) { //Reset test array for (x = 0; x < 10; x++) { array[x] = 0; } //Checking for columns for (j=0; j<9; j++) { k = board[j][i]; if (board[j][i] >= 0 && board[j][i]<= 9 && k != 0 && array[k]) { //ensuring values are between 1-9 print_sudoku_board(board); return 0; } array[k]++; } //Reset test array for (x = 0; x < 10; x++) { array[x] = 0; } //Checking for columns for (j=0; j<9; j++) { k = board[i][j]; if (board[i][j] >= 0 && board[j][i]<= 9 && k != 0 && array[k]) { //ensuring values are between 1-9 print_sudoku_board(board); return 0; } array[k]++; } } for (i=0; i<3; i++) { for (j=0; j<3; j++) { //Reseting array for box for (x = 0; x < 10; x++) { array_box[x] = 0; } for (x = i * 3; x < i * 3 + 3; x++) { for (y = j*3; y < j * 3 + 3; y++) { k = board[x][y]; if (k != 0 && array_box[k]) { print_sudoku_board(board); return 0; } array_box[k]++; } } } } return 1; }
Your code seems fine to me . You have put all return statements at correct positions like if board is valid you are returning is 0 and if invqlid you are returning -2 . Also if there is any file input error then count wont be a-1 hence you are returning -1 which is according to conditions given in the question.
One thing i want to mention that you should close your file after all opeartions using fclose function as it is a good practice to close it.
Also you are passing correct errors in is_valid_board function by passing 0 for invalid board and 1 for valid board.
This is due in a few hours I don't know if I did this correctly can you double check my code to see if my return statements are fine and I follow the instructions accurately. Thank you!!! Modify m...
Help due in a few hours I need to clean this up can you help me clean up this code to accomplish the same task but with fewer lines/ more elegantly. Thank you! My code for the function is below: int is_valid_board(int board[9][9]) { int array[10]; int array_box[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0}; int i, j, k, x, y; //rows=i, columns =j for (i=0; i<9; i++) { //Reset test array for (x = 0; x...
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