Initial Dijkstra algorithm for the map, but doesn't quite work right. The walls in the wall_map are not accounted for in the algorithm.

map.hpp

@@ -0,0 +1,17 @@
+#pragma once
+#include <vector>
+#include <utility>
+
+struct Pair {
+  size_t j = 0;
+  size_t i = 0;
+};
+
+typedef std::vector<Pair> PairList;
+typedef std::vector<int> MatrixRow;
+typedef std::vector<MatrixRow> Matrix;
+
+void dump_map(Matrix &map);
+void add_neighbors(Matrix &closed, size_t j, size_t i);
+
+Matrix dijkstra_map(Matrix &input_map, Matrix &walls_map, int limit=0);