diff options
| author | Adam Spragg <adam@spra.gg> | 2023-01-15 10:36:48 +0000 | 
|---|---|---|
| committer | Adam Spragg <adam@spra.gg> | 2023-01-15 10:36:48 +0000 | 
| commit | 8528013fb10ae7aedb6a40f5ece5ee08eb42e9df (patch) | |
| tree | c34f91708adef795a29a092395c49717940b246b /4b.c | |
| parent | 3dd30be057332cd764ee79a26673a775336322eb (diff) | |
Puzzle 4: Consolidate 4a/4b programs into `4` with `-p` option
Like the later puzzles
Diffstat (limited to '4b.c')
| -rw-r--r-- | 4b.c | 51 | 
1 files changed, 0 insertions, 51 deletions
@@ -1,51 +0,0 @@ - -#include <stdio.h> -#include <stdlib.h> - - -char * -getsect(int * dest, char * pch, char expect) -{ -	char * end; - -	if (!pch) -		return NULL; -	*dest = strtol(pch, &end, 10); -	if (*dest == 0 && end == pch) -		return NULL; -	if (*end != expect) -		return NULL; -	if (expect) -		++end; -	return end; -} - - -int -main() -{ -	char buf[BUFSIZ]; -	int overlaps = 0; - -	while (fgets(buf, sizeof(buf), stdin)) { -		int n[4]; -		char * pbuf; - -		pbuf = getsect(&n[0], buf, '-'); -		pbuf = getsect(&n[1], pbuf, ','); -		pbuf = getsect(&n[2], pbuf, '-'); -		pbuf = getsect(&n[3], pbuf, '\n'); -		if (!pbuf) { -			fprintf(stderr, "Unexpected line: %s\n", buf); -			return -1; -		} -		if (!(n[3] < n[0] || n[2] > n[1])) { -			++overlaps; -		} -	} - -	printf("Overlaps: %d\n", overlaps); - -	return 0; -} -  | 
