1 files changed, 21 insertions, 0 deletions
diff --git a/src/2020/day6/aoc.cpp b/src/2020/day6/aoc.cpp
index 849bad9..d64262e 100644
--- a/src/2020/day6/aoc.cpp
+++ b/src/2020/day6/aoc.cpp
@@ -1,5 +1,26 @@
 #include "aoc.h"
+#include <algorithm>
+#include <vector>
 
 namespace aoc2020 {
 
+int day6(line_view file) {
+  std::vector<question_group> gs;
+
+  const char* p1 = file.line;
+  const char* p = p1;
+  while (p < file.line + file.length) {
+    if (*p == '\n' && *(p + 1) == '\n') {
+      gs.emplace_back(line_view{p1, p});
+      p1 = p + 2;
+    }
+    p++;
+  }
+  gs.emplace_back(line_view{p1, p});
+
+  int total{0};
+  std::for_each(gs.begin(), gs.end(), [&total](const question_group& g) { total += g.summary(); });
+  return total;
 }
+
+} // namespace aoc2020