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main.c
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main.c
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#include <stdio.h>
#include <stdlib.h>
#include "global.h"
#include "readsudoku.h"
#include "solver.h"
/**
* This program tries to resolve a given Sudoku file.
*
* @param argc Argument count
* @param argv Arguments
*/
int main(int argc, char** argv) {
if (argc != 2) {
printf("Usage: <solver> <sudoku file>\n");
exit(EXIT_FAILURE);
} else {
int ret;
// allocate matrix to read into
char** sudoku_array = allocate_sudoku();
// read input sudoku file
ret = readSudoku(argv[1], sudoku_array);
// abort if file is corrupt
if (ret != 0) {
printf("The read process failed - exiting\n");
exit(EXIT_FAILURE);
}
// print input sudoku
printf("<<INPUT SUDOKU>>\n");
print_sudoku(sudoku_array);
printf("-----------------\n");
// solve it
ret = solve_sudoku(sudoku_array);
// print output sudoku
printf("<<OUTPUT SUDOKU>>\n");
print_sudoku(sudoku_array);
printf("-----------------\n");
// print if the sudoku could be solved
if (ret == 0)
printf("The Sodoku was solved\n");
else
printf("The Sudoku is irresolvable\n");
// free allocated matrix
unallocate_sudoku(sudoku_array);
exit(EXIT_SUCCESS);
}
}