Usage:
$ cd 01
$ make
cc 01.c -Wall -Wextra -o solution
./solution example1.txt
Answer: 142
./solution example2.txt 2
Answer: 281
./solution input.txt 1
Answer: 55816
./solution input.txt 2
Answer: 54980
$ make check
Usage:
$ cd 01
$ make
cc 01.c -Wall -Wextra -o solution
./solution example1.txt
Answer: 142
./solution example2.txt 2
Answer: 281
./solution input.txt 1
Answer: 55816
./solution input.txt 2
Answer: 54980
$ make check