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-rw-r--r--math.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/math.cpp b/math.cpp
new file mode 100644
index 0000000..de418d7
--- /dev/null
+++ b/math.cpp
@@ -0,0 +1 @@
+int add_one(int x) { return x + 1; }