advent2025

commit 696c97dfbc0044eae886826da74fb6176b3364e0
parent 6b2100de96447358c00d365e5448dac30fcb5686
Author: bsandro <email@bsandro.tech>
Date:   Tue,  9 Dec 2025 00:32:22 +0200

day08 "cleanup"

Diffstat:
M
day08.c
 | 
25
+++++--------------------

1 file changed, 5 insertions(+), 20 deletions(-)
diff --git a/day08.c b/day08.c
@@ -100,14 +100,6 @@ static int cmp_circuits(const void *vc1, const void *vc2) {
     return c2->points_l - c1->points_l;
 }
 
-void points_print(int points_l, Point *points[points_l]) {
-    for (int i=0;i<points_l;++i) {
-        Point *p = points[i];
-        printf("[%d]", p->x);
-    }
-    printf("\n");
-}
-
 static int circuits_merge(int circuits_l, Circuit *circuits) {
     int new_len = circuits_l;
     for (int i=0;i<circuits_l;++i) {
@@ -167,32 +159,25 @@ int main(void) {
     int circuits_l = 0;
     for (int i=0;i<CONNS;++i) {
         circuits_add(&circuits_l, circuits, &dists[i]);
-    }
-    int len_prev = circuits_l;
-    while (1) {
         circuits_l = circuits_merge(circuits_l, circuits);
-        if (circuits_l==len_prev) break;
-        len_prev = circuits_l;
     }
     qsort(circuits, circuits_l, sizeof(Circuit), cmp_circuits);
     part1 = circuits[0].points_l*circuits[1].points_l*circuits[2].points_l;
-    // ------------------------------------
     free(circuits);
+    // ------------------------------------
     circuits = calloc(dists_l, sizeof(Circuit));
     circuits_l = 0;
     for (int i=0;i<dists_l;++i) {
         circuits_add(&circuits_l, circuits, &dists[i]);
-        int len_prev = circuits_l;
-        while (1) {
-            circuits_l = circuits_merge(circuits_l, circuits);
-            if (circuits_l==len_prev) break;
-            else len_prev = circuits_l;
-        }
+        circuits_l = circuits_merge(circuits_l, circuits);
         if (circuits[0].points_l==points_l) {
             part2 = dists[i].p1->x * dists[i].p2->x;
             break;
         }
     }
+    free(circuits);
+    free(dists);
+    free(points);
 
     printf("p1: %"PRIu64"\np2: %"PRIu64"\n", part1, part2);
     return 0;