Update 018.md

Reputeless · Dec 19, 2021 · 0899f61 · 0899f61
1 parent 68e0319
commit 0899f61
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/018.md b/018.md
@@ -9,7 +9,7 @@
 #endif
 
 #include <iostream>
-#include <cmath> // std::sin(), std::cos(), std::atan2()
+#include <cmath> // std::sin(), std::cos(), std::hypot(), std::atan2()
 #include <iomanip> // std::setprecision()
 
 // ラジアンを度数法に変換