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| author | June McEnroe <june@causal.agency> | 2020-12-07 02:05:56 -0500 |
|---|---|---|
| committer | June McEnroe <june@causal.agency> | 2020-12-07 02:05:56 -0500 |
| commit | 8e75e2d5dbc1fde23f99be8cb8c2feb4c875b143 (patch) | |
| tree | c36c8f3dc373bb9698c6e8ee4c3406e2e65f8fe7 | |
| parent | Solve day 7 part 2 (diff) | |
| download | aoc-8e75e2d5dbc1fde23f99be8cb8c2feb4c875b143.tar.gz aoc-8e75e2d5dbc1fde23f99be8cb8c2feb4c875b143.zip | |
Check cons[i].cnt to break out of loop
That was bothering me.
| -rw-r--r-- | 2020/day07.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/2020/day07.c b/2020/day07.c index 7445259..4cbb9f8 100644 --- a/2020/day07.c +++ b/2020/day07.c @@ -27,7 +27,7 @@ static struct Bag *findBag(const char *adj, const char *col) { } static bool canContain(struct Bag *bag, const char *adj, const char *col) { for (int i = 0; i < 4; ++i) { - if (!bag->cons[i].adj[0]) break; + if (!bag->cons[i].cnt) break; if (!strcmp(bag->cons[i].adj, adj) && !strcmp(bag->cons[i].col, col)) { return true; } @@ -40,7 +40,7 @@ static bool canContain(struct Bag *bag, const char *adj, const char *col) { static int containsCount(struct Bag *bag) { int count = 0; for (int i = 0; i < 4; ++i) { - if (!bag->cons[i].adj[0]) break; + if (!bag->cons[i].cnt) break; count += bag->cons[i].cnt; count += bag->cons[i].cnt * containsCount(findBag(bag->cons[i].adj, bag->cons[i].col)); |