2022 day17 part2

1 files changed, 11 insertions, 5 deletions

diff --git a/src/2022/day17/aoc.cpp b/src/2022/day17/aoc.cpp
index c9d0dca..d57742b 100644
--- a/src/2022/day17/aoc.cpp
+++ b/src/2022/day17/aoc.cpp
@@ -4,6 +4,7 @@
 namespace aoc2022 {
 
 static line_view moves;
+static size_t index = 0;
 
 static bool at(uint8_t r, int p) {
   // p 0..7
@@ -14,8 +15,7 @@ static bool at(uint8_t r, int p) {
 }
 
 char next() {
-  static int i{0};
-  int x = i++ % (moves.length - 1);
+  int x = index++ % (moves.length - 1);
   const char* p = moves.line;
   // printf("%c at %d\n", *(p + x), x);
   return *(p + x);
@@ -194,15 +194,21 @@ std::pair<size_t, size_t> day17(line_view file) {
   rock17 floor{chamber, {0x7F}};
   std::map<size_t, size_t> heights;
 
-  // size_t n = (file.length - 1) * 5;
+  // size_t p = (file.length - 1) * 5;
   size_t n = 2022;
+  // sample 17 35/35/35
+  // input  8602 8575/8575/8575
   for (size_t i = 0; i < n; i++) {
     rock17 r = make_rock(i);
     check_three(floor.rs);
+    // auto x = check_three(floor.rs);
+    // if (x == 0) {
+    //   printf("%ld, %ld\n", i, index % p);
+    // }
     merge(floor, r, 0);
   }
-  print(floor.rs);
-  printf("%ld\n", floor.rs.size() - 1);
+  // print(floor.rs);
+  printf("%ld %ld\n", floor.rs.size() - 1, index);
   return {0, 0};
 }
 } // namespace aoc2022