Advent of code 2025 (not proud)
day 6 wip
+46
+41
day_6/6.c
+41
day_6/6.c
···
1
+
#include <stdio.h>
2
+
#include <stdlib.h>
3
+
#include <string.h>
4
+
5
+
6
+
int main(int argc, char* argv[]) {
7
+
FILE* f = NULL;
8
+
char* line = NULL;
9
+
size_t size = 0;
10
+
ssize_t nread = 0;
11
+
int wrap_count = 0;
12
+
int n_lengths = 0;
13
+
int s_lengths = 0;
14
+
f = fopen(argv[1], "r");
15
+
16
+
17
+
while ((nread = getline(&line, &size, f)) != -1 ) {
18
+
if (!n_lengths) {
19
+
n_lengths = nread;
20
+
} else if (!s_lengths && n_lengths != nread) {
21
+
s_lengths = nread;
22
+
} // set long and short lenghts if wrapping is involved, for setting array sizes
23
+
24
+
// lines will be written as they are to the char** lines pseudo matrix, and then transformed to int line by line if there is wrapping
25
+
26
+
27
+
printf("%s",line);
28
+
if (!strcspn(line, "*+")) {
29
+
wrap_count++;
30
+
}
31
+
}
32
+
33
+
34
+
35
+
printf("wrap count is: %d",wrap_count);
36
+
free(f);
37
+
free(line);
38
+
39
+
40
+
return 0;
41
+
}