refactor

1 files changed, 0 insertions, 73 deletions

diff --git a/c/0067/main.c b/c/0067/main.c
deleted file mode 100644
index 900c685..0000000
--- a/c/0067/main.c
+++ /dev/null
@@ -1,73 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-
-typedef struct {
-    int len;
-    char *buf;
-    int capacity;
-} String;
-
-void String_push(String *self, char c) {
-    if (self->len + 2 >= self->capacity) {
-        int new_capacity = self->capacity * 2;
-        self->buf = realloc(self->buf, new_capacity);
-        self->capacity = new_capacity;
-    }
-    self->buf[self->len] = c;
-    self->buf[self->len + 1] = '\0';
-    self->len++;
-}
-
-void String_init(String *self) {
-    self->capacity = 16;
-    self->buf = malloc(16);
-    self->len = 0;
-    self->buf[0] = '\0';
-}
-
-char* str_reverse(char *s) {
-    int lp = 0, rp = strlen(s) - 1;
-    s = strdup(s);
-    while (lp <= rp) {
-        char tmp = s[lp];
-        s[lp] = s[rp];
-        s[rp] = tmp;
-        rp--;
-        lp++;
-    }
-    return s;
-}
-
-char* addBinary(char* a, char* b) {
-    a = str_reverse(a);
-    b = str_reverse(b);
-    String ret;
-    String_init(&ret);
-    int len_a = strlen(a);
-    int len_b = strlen(b);
-    int len = len_a > len_b ? len_a : len_b;
-    int carry = 0;
-    for (int i = 0; i < len; i++) {
-        char ca, cb;
-        if (i >= len_a) {
-            ca = 0;
-        } else {
-            ca = a[i] - '0';
-        }
-        if (i >= len_b) {
-            cb = 0;
-        } else {
-            cb = b[i] - '0';
-        }
-        char val = ca + cb + carry;
-        String_push(&ret, val % 2 + '0');
-        carry = val / 2;
-    }
-    if (carry) String_push(&ret, '1');
-    free(a);
-    free(b);
-    char *oldbuf = ret.buf;
-    ret.buf = str_reverse(ret.buf);
-    free(oldbuf);
-    return ret.buf;
-}