trying different standard library

CMakeLists.txt

@@ -23,6 +23,12 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 
 include(cmake/dependencies.cmake)
 
+# on ubuntu with clang, an incorrect version of the c++ standard library was being linked
+if (${CMAKE_HOST_SYSTEM_NAME} MATCHES "Linux" AND "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+    # If the compiler is Clang, use libc++
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+endif()
+
 ################################################################################
 # targets
 

src/day17.cpp

@@ -4,11 +4,16 @@
 #include <string>
 #include <vector>
 #include <benchmark/benchmark.h>
+#include <numeric_limits>
 
 struct Data {
-
+  std::vector<std::string> grid;
 };
 
+std::pair<std::vector<std::vector<int>>, std::vector<std::vector<int>>> dijkstra(const Data& d) {
+  std::vector<std::vector<int>> dist(d.grid.size(), std::vector<int>(d.grid[0].size(), std::numeric_limits<int>::infinity()));
+}
+
 int part1(const Data &data)
 {
   return 0;
@@ -27,6 +32,7 @@ Data parse()
 
   while (std::getline(file, line))
   {
+    data.grid.push_back(line);
   }
 
   return data;