feat: Initial commit

Laboratorio 2/esercizio1.c

@@ -0,0 +1,32 @@
+#include <stdio.h>
+
+int mcd(int a, int b) {
+    if (a == 0) {
+        return b;
+    }
+
+    if (a > b) {
+        return mcd(a % b, b);
+    } else {
+        return mcd(b % a, a);
+    }
+}
+
+int main()
+{
+    int a, b, res;
+    if (scanf("%d %d", &a, &b) != 2) {
+        puts("Error, invalid input!");
+        return 1;
+    }
+
+    if (a < 0 || b < 0) {
+        puts("Error, you must insert two positive integers!");
+        return 1;
+    }
+
+    res = mcd(a, b);
+    printf("MCD = %d\n", res);
+
+    return 0;
+}