aoc2024/11/part2.c
2024-12-11 13:23:10 +01:00

76 lines
1.4 KiB
C

#include "_.h"
#include <pthread.h>
typedef struct structure {
int nbr;
struct structure *next;
} struc;
typedef struct data_t {
long nbr;
int max;
} data;
long long lenght_struc(struc *head) {
long long count = 0;
while (head->next != NULL) {
head = head->next;
count++;
}
return count;
}
void print_struc(struc *head) {
while (head->next != NULL) {
head = head->next;
printf("%d ", head->nbr);
}
}
long count = 0;
void blink(long nbr, int max) {
for (; max > 0; max--) {
if (nbr == 0) {
nbr = 1;
}
else if (((int)floor(log10(ABS(nbr))) + 1) % 2 == 0) {
double len = floor(log10(ABS(nbr))) + 1;
int left = nbr / (pow(10, len / 2));
nbr = nbr % (long)(pow(10, len / 2));
blink(left, max - 1);
}
else
nbr *= 2024;
}
count++;
}
int main(int argc, char **argv) {
if (argc != 2)
return 1;
char *input = argv[1];
char **inputs = str_split(strdup(input), ' ');
struc *head = calloc(1, sizeof(struc));
struc *cur = head;
for (int i = 0; inputs[i] != NULL; i++) {
cur->nbr = atol(inputs[i]);
cur->next = calloc(1, sizeof(struc));
cur = cur->next;
}
cur = head;
while (cur->next != NULL) {
blink(cur->nbr, 75);
cur = cur->next;
}
printf("count: %ld\n", count);
return 0;
}