redone function

Cargo.toml

@@ -3,6 +3,14 @@ name = "montecarlo-rust"
 version = "0.1.0"
 edition = "2021"
 
+[[bin]]
+name = "monte-carlo"
+path = "src/main.rs"
+
+[profile.release]
+strip = true  # Automatically strip symbols from the binary.
+opt-level = 3
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies.rand]