1 files changed, 29 insertions, 0 deletions
diff --git a/src/2022/day3/aoc.cpp b/src/2022/day3/aoc.cpp
new file mode 100644
index 0000000..9be1bf0
--- /dev/null
+++ b/src/2022/day3/aoc.cpp
@@ -0,0 +1,29 @@
+#include "aoc.h"
+#include <algorithm>
+#include <vector>
+
+namespace aoc2022 {
+std::pair<int, int> day3(line_view file) {
+  int s2{0}, s3{0};
+  int g{0};
+  rucksacks r3;
+  per_line(file, [&s2, &s3, &g, &r3](line_view lv) {
+    int i = g++ % 3;
+    if (i == 0) {
+      r3.reset();
+    }
+    rucksacks r2;
+    r2.load(lv);
+    s2 += r2.score();
+
+    r3.load(lv, i);
+    if (i == 2) {
+      s3 += r3.score3();
+    }
+    return true;
+  });
+
+  return {s2, s3};
+}
+
+} // namespace aoc2022