Create easter.cpp

others/easter.cpp

@@ -0,0 +1,36 @@
+// You can read more about the reason behind the algorithm itself here:
+// https://en.wikipedia.org/wiki/Date_of_Easter
+
+class easter 
+{
+ public:
+    static void FindEaster(int y) 
+    {
+        if (y > 1582) 
+        {
+            // Calculations
+            int a = y % 19;
+            int b = y / 100;
+            int c = y % 100;
+            int d = b / 4;
+            int e = b % 4;
+            int f = (b + 8) / 25;
+            int g = (b - f + 1) / 3;
+            int h = (19 * a + b - d - g + 15) % 30;
+            int i = c / 4;
+            int k = c % 4;
+            int r = (32 + 2 * e + 2 * i - h - k) % 7;
+            int m = (a + 11 * h + 22 * r) / 451;
+            int n = (h + r - 7 * m + 114) / 31;
+            int p = (h + r - 7 * m + 114) % 31;
+
+            // Print date
+            cout << "Easter in " + y + " falls on " + n + "/" +
+                               (p + 1) + ".");
+        } 
+        else 
+        {
+            return;
+        }
+    }
+}