upload

1/C.cpp

@@ -0,0 +1,15 @@
+#include <iostream>
+#include <cmath>
+
+int get_mcd(int a, int b) {
+   if (b == 0) 
+      return a;
+   return get_mcd(b, a % b);
+}
+
+int main() {
+    int a, b;
+    std::cin >> a >> b;
+    std::cout << get_mcd(a, b);
+    return 0;
+}