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-rw-r--r--advent-of-code/2023/01/part2.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/advent-of-code/2023/01/part2.c b/advent-of-code/2023/01/part2.c
deleted file mode 100644
index 13aba12..0000000
--- a/advent-of-code/2023/01/part2.c
+++ /dev/null
@@ -1,63 +0,0 @@
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-#include <assert.h>
-
-#include "str.h"
-
-char *numbers[] = {
- "zero",
- "one",
- "two",
- "three",
- "four",
- "five",
- "six",
- "seven",
- "eight",
- "nine"
-};
-
-int find_number(const char *line) {
- int matched = 0;
- if (isdigit(*line)) return *line - '0';
- for (int i = 0; i < 10; i++) {
- matched = 1;
- const char *p1 = numbers[i], *p2 = line;
- while (*p1 != '\0' && *p2 != '\0') {
- if (*p1 != *p2) {
- matched = 0;
- break;
- }
- p1++;
- p2++;
- }
- if (matched && *p1 == '\0') return i;
- }
- return -1;
-}
-
-int main() {
- FILE* fp = fopen("./input", "r");
- int sum = 0;
- while (1) {
- char *line = str_strip(fgetline(fp));
- if (line == NULL || strlen(line) == 0) {
- break;
- }
- int d1 = -1, d2 = -1;
- while (*line != '\0') {
- int num = -1;
- if ((num = find_number(line)) >= 0) {
- if (d1 == -1) d1 = num;
- d2 = num;
- }
- line++;
- }
- if (d2 == -1) d2 = d1;
- sum += d1 * 10 + d2;
- }
- printf("%d\n", sum);
- return 0;
-}
-