void
calculate_sudoku(void)
{
get_sudoku();
}
/****************MAIN************/
int main(int argc, char **argv){
clock_t start,end;
int row;
char line[100],filename[100];
int s_time;
srand(time(NULL));
start=clock();
/* get the puzzle*/
if(argc<2){
printf("Input a file name.\n");
fgets(line,sizeof(line),stdin);
sscanf(line,"%s",filename);
}
else
strcpy(filename,argv[1]);
fp=fopen(filename,"r");
if(!fp){
printf("File not found.\n");
exit(1);
}
get_sudoku(fp);
fclose(fp);
printf("The given solution:\n");
print_table(sudoku,stdout); // print the sudoku puzzle
/* Check if there is any conflict in the input puzzle.*/
if(check_conflict())
return 0;
if(argc>2){
limit_empty=atoi(argv[2]);
}
else{
printf("Please Enter number of empty grids you want.\n(MAXIMUM=%d)\n",LIMIT_EMPTY);
fgets(line,sizeof(line),stdin);
limit_empty=atoi(line);
}
while(limit_empty>LIMIT_EMPTY){
printf("Too large number.Input again!\n");
fgets(line,sizeof(line),stdin);
limit_empty=atoi(line);
}
if(limit_empty>=55){
norm=limit_empty-50;
}
else
norm=4;
max_empty=limit_empty-norm;
if(limit_empty>=55){
if(limit_empty==58){
printf("Please wait. Depend on the puzzle, this process may take up to several ten minutes.\n");
printf("Press Crl+C to terminate the process\n");
}
else
printf("Please wait a minute or less.\n");
}
create();
if(max_empty>=limit_empty){
printf("SUCCESS.\n");
printf("\nThe sudoku puzzle.\nNumber of empty grids=%d\n",max_empty);
print_table(result,stdout);
printf("Result is saved in result.txt.\n");
}
else
printf("FAILURE.\n");
if(max_empty==LIMIT_EMPTY){
system("cat result.txt best.txt>new_best.txt");
system("mv new_best.txt best.txt");
}
end=clock();
printf("Time elapsed: %e(s)\n",(double)(end-start)/CLOCKS_PER_SEC);
return 0;
}
