diff --git a/src/main.c b/src/main.cpp
similarity index 100%
rename from src/main.c
rename to src/main.cpp
diff --git a/src/main.cu b/src/main.cu
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/utils/dijkstra.c b/src/utils/dijkstra.cpp
similarity index 100%
rename from src/utils/dijkstra.c
rename to src/utils/dijkstra.cpp
diff --git a/src/utils/matrix.c b/src/utils/matrix.cpp
similarity index 100%
rename from src/utils/matrix.c
rename to src/utils/matrix.cpp