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-rw-r--r--advent-of-code/2022/03/2.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/advent-of-code/2022/03/2.c b/advent-of-code/2022/03/2.c
deleted file mode 100644
index f91ea46..0000000
--- a/advent-of-code/2022/03/2.c
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-#define BUFSZ 1024
-
-char buf[BUFSZ + 1] = {0};
-
-int table[53] = {0};
-
-int decode(char c) {
- if (c >= 'A' && c <= 'Z') {
- return 26 + c - 'A' + 1;
- }
- if (c >='a' && c <= 'z') {
- return c - 'a' + 1;
- }
- return -1;
-}
-
-int process(char *buf, int len, int n) {
- if (n == 1) memset(table, 0, 53 * sizeof(int));
- for (int i = 0; i < len; i++) {
- int code = decode(buf[i]);
- if (table[code] == n - 1) {
- if (n == 3) return code;
- table[code] = n;
- }
- }
- return 0;
-}
-
-
-int main() {
- FILE *fp = fopen("input", "r");
- int sum = 0;
- if (fp == NULL) return -1;
- int line = 0;
- while (fgets(buf, BUFSZ, fp)) {
- if (strlen(buf) <= 1) continue;
- int len = strlen(buf) - 1;
- sum += process(buf, len, line % 3 + 1);
- line++;
- }
- printf("%d\n", sum);
-}