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authorAdam Spragg <adam@spra.gg>2023-01-15 10:34:50 +0000
committerAdam Spragg <adam@spra.gg>2023-01-15 10:34:50 +0000
commit3dd30be057332cd764ee79a26673a775336322eb (patch)
treecabb7c293fa2d587a217916b6e519f98e3cd7cb6 /3b.c
parent2b922997fb893a5bc14f157ad5db27ae77cec6a6 (diff)
Puzzle 3: Consolidate 3a/3b programs into `3` with `-p` option
Like the later puzzles
Diffstat (limited to '3b.c')
-rw-r--r--3b.c87
1 files changed, 0 insertions, 87 deletions
diff --git a/3b.c b/3b.c
deleted file mode 100644
index 84455e1..0000000
--- a/3b.c
+++ /dev/null
@@ -1,87 +0,0 @@
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-
-int
-chrcmp(void const * a, void const * b)
-{
- return (*(char const *) a) - *((char const *) b);
-}
-
-
-int
-priority(int c)
-{
- if (c >= 'A' && c <= 'Z')
- return 27 + c - 'A';
- if (c >= 'a' && c <= 'z')
- return 1 + c - 'a';
- fprintf(stderr, "Unexpected priority request: %c\n", c);
- return -1;
-}
-
-
-int
-min(int a, int b)
-{
- return a < b ? a : b;
-}
-
-
-int
-min3(int a, int b, int c)
-{
- return min(min(a, b), c);
-}
-
-
-int
-main()
-{
- char buf[3][BUFSIZ];
- int score = 0;
-
- while (fgets(buf[0], sizeof(buf[0]), stdin)
- && fgets(buf[1], sizeof(buf[1]), stdin)
- && fgets(buf[2], sizeof(buf[2]), stdin))
- {
- int n, i, j, k;
-
- for (n = 0; n < 3; ++n) {
- int len = strlen(buf[n]);
- if (len && buf[n][len - 1] == '\n') {
- --len;
- buf[n][len] = '\0';
- }
- if (len % 2 == 1)
- fprintf(stderr, "Unexpected length: %d\n", len);
-
- qsort(buf[n], len, 1, chrcmp);
- }
-
- i = 0; j = 0; k = 0;
- while (buf[0][i] != '\0' && buf[1][j] != '\0' && buf[2][k] != '\0') {
- int n = min3(buf[0][i], buf[1][j], buf[2][k]);
- if (buf[0][i] == n && buf[1][j] == n && buf[2][k] == n)
- break;
- if (buf[0][i] == n)
- ++i;
- if (buf[1][j] == n)
- ++j;
- if (buf[2][k] == n)
- ++k;
- }
- if (buf[0][i] == '\0' || buf[1][j] == '\0' || buf[2][k] == '\0') {
- fprintf(stderr, "No match found in %s/%s/%s\n", buf[0], buf[1], buf[2]);
- return -1;
- }
- score += priority(buf[0][i]);
- }
-
- printf("Score: %d\n", score);
-
- return 0;
-}
-