2022 day19 part2 branch trimming

1 files changed, 5 insertions, 5 deletions

diff --git a/src/2022/day19/aoc.cpp b/src/2022/day19/aoc.cpp
index 737c230..f368561 100644
--- a/src/2022/day19/aoc.cpp
+++ b/src/2022/day19/aoc.cpp
@@ -4,7 +4,7 @@
 
 namespace aoc2022 {
 
-static const int total = 24;
+static const int total = 32;
 
 struct build_result {
   int products[4] = {0, 0, 0, 0}; // ore,clay,obsi,geod
@@ -99,17 +99,17 @@ bool can_build(const blueprint& b, const build_result& r, int i) {
 // 29 24| ms: 1 21 8 9 | rs: 1 3 2 2
 // 30 24| ms: 2 10 4 1 | rs: 2 6 3 1
 void build_product(const blueprint& b, build_result r, std::vector<build_result>& rs) {
-  bool done{false};
-  for (int i = 3; i >= 0 && !done; i--) {
+  bool ds[4] = {false, false, false, false};
+  for (int i = 3; i >= 0; i--) {
     auto r0 = r;
     if (can_build(b, r0, i)) {
       r0 = build_robot(i, r0, b);
       build_product(r0, i);
       rs.push_back(r0);
-      done = i > 1; // best senario
+      ds[i] = true;
     }
   }
-  if (!done) {
+  if (!ds[3] && !ds[2] && !(ds[1] && ds[0])) {
     build_product(r, 4);
     rs.push_back(r);
   }