performance 2

Chapter09/Cargo.toml

@@ -42,3 +42,11 @@ path = "performance_constant.rs"
 [[bin]]
 name = "performance_logarithmic"
 path = "performance_logarithmic.rs"
+
+[[bin]]
+name = "performance_polynomial1"
+path = "performance_polynomial1.rs"
+
+[[bin]]
+name = "performance_polynomial2"
+path = "performance_polynomial2.rs"

Chapter09/performance_polynomial1.rs

@@ -0,0 +1,7 @@
+
+fn main() {
+   for _ in 0..1000 {
+      //O(n)
+      //n = 1000
+   }
+}

Chapter09/performance_polynomial2.rs

@@ -0,0 +1,9 @@
+
+fn main() {
+   for _ in 0..1000 {
+      for _ in 0..1000 {
+         //O(n^2)
+         //n = 1000
+      }
+   }
+}