refactor advent of code 2023 day 04 from c to racket

1 files changed, 0 insertions, 69 deletions

diff --git a/advent-of-code/2023/04/part1.c b/advent-of-code/2023/04/part1.c
deleted file mode 100644
index 4dd94ba..0000000
--- a/advent-of-code/2023/04/part1.c
+++ /dev/null
@@ -1,69 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-
-#include "vec.h"
-#include "str.h"
-
-typedef struct {
-    void *win_nums;
-    void *nums;
-} card_t;
-
-void *parse_input() {
-    FILE *fp = fopen("./input", "r");
-    void *cards = new_vec();
-    char *line;
-    while ((line = fgetline(fp)) != NULL) {
-        line = str_strip(line);
-        line = vec_get(str_split(line, ':'), 1);
-        line = str_strip(line);
-        void *splited = str_split(line, '|');
-        char *win_str = str_strip(vec_get(splited, 0));
-        char *num_str = str_strip(vec_get(splited, 1));
-        void *winnums_str = str_split(win_str, ' ');
-        void *nums_str = str_split(num_str, ' ');
-
-        card_t *card = malloc(sizeof(card_t));
-        card->win_nums = new_vec();
-        card->nums = new_vec();
-        for (int i = 0; i < vec_size(winnums_str); i++) {
-            int *n = malloc(sizeof(int));
-            *n = strtol(vec_get(winnums_str, i), NULL, 10);
-            vec_push_back(card->win_nums, n);
-        }
-        for (int i = 0; i < vec_size(nums_str); i++) {
-            int *n = malloc(sizeof(int));
-            *n = strtol(vec_get(nums_str, i), NULL, 10);
-            vec_push_back(card->nums, n);
-        }
-        vec_push_back(cards, card);
-    }
-    return cards;
-}
-
-int points(card_t *card) {
-    int win_count = 0;
-    for (int i = 0; i < vec_size(card->nums); i++) {
-        int num = *(int*)vec_get(card->nums, i);
-        for (int j = 0; j < vec_size(card->win_nums); j++) {
-            if (num == *(int*)vec_get(card->win_nums, j)) {
-                win_count++;
-                break;
-            }
-        }
-    }
-    if (win_count == 0) return 0;
-    return (int)pow(2, win_count - 1);
-}
-
-int main() {
-    void *cards = parse_input();
-    int sum = 0;
-    for (int i = 0; i < vec_size(cards); i++) {
-        int p = points(vec_get(cards, i));
-        sum += p;
-    }
-    printf("%d\n", sum);
-    return 0;
-}