Someone

void solve(int array[9][9])
{
	int i, j;

		while (completed(array)==0 ) {
			for (i = 0;i <= 8; i++) {
				for(j = 0;j <= 8; j++) {
					if(input_number(array, i, j) == 1) {
					printf("(%d, %d) => %d\n", i, j, array[i][j]);
                        		}
                		}
        		}
		}		
		for (i=0 ; i<=8 ; i++) {
        			for (j=0 ; j<=8 ; j++)
        				printf("%d ",array[i][j]);
        			printf("\n");
	}
}