Initial commit

Miscellaneous/func.cpp

@@ -0,0 +1,25 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+	printf("x=");
+
+	double x, y;
+
+	scanf("%lf", &x);
+
+	if (x > 0) {
+		y = 2 * x;
+	}
+	else if (x == 0) {
+		y = 0;
+	}
+	else {
+		y = -1;
+	}
+
+	printf("f(x)=%f\n", y);
+
+	return 0;
+}