Data update

Task/Mutual-recursion/Ada/mutual-recursion-1.adb

@@ -0,0 +1,28 @@
+with Ada.Text_Io; use Ada.Text_Io;
+procedure Mutual_Recursion is
+   function M(N : Integer) return Integer;
+   function F(N : Integer) return Integer is
+   begin
+      if N = 0 then
+         return 1;
+      else
+         return N - M(F(N - 1));
+      end if;
+   end F;
+   function M(N : Integer) return Integer is
+   begin
+      if N = 0 then
+         return 0;
+      else
+         return N - F(M(N-1));
+      end if;
+   end M;
+begin
+   for I in 0..19 loop
+      Put_Line(Integer'Image(F(I)));
+   end loop;
+   New_Line;
+   for I in 0..19 loop
+      Put_Line(Integer'Image(M(I)));
+   end loop;
+end Mutual_recursion;

Task/Mutual-recursion/Ada/mutual-recursion-2.adb

@@ -0,0 +1,20 @@
+with Ada.Text_Io; use Ada.Text_Io;
+procedure Mutual_Recursion is
+   function M(N: Natural) return Natural;
+   function F(N: Natural) return Natural;
+
+   function M(N: Natural) return Natural is
+       (if N = 0 then 0 else N – F(M(N–1)));
+
+   function F(N: Natural) return Natural is
+       (if N =0 then 1 else N – M(F(N–1)));
+begin
+   for I in 0..19 loop
+      Put_Line(Integer'Image(F(I)));
+   end loop;
+   New_Line;
+   for I in 0..19 loop
+      Put_Line(Integer'Image(M(I)));
+   end loop;
+
+end Mutual_recursion;