Wrong arguments

Question

I have an input but the program says I have wrong arguments. What arguments do I need?
https://code.sololearn.com/cfiyd8nXFX4p/?ref=app

Answer 1

The syntax for scanf is incorrect.
Go through the lesson again and write the correct syntax to remove the error.
https://www.sololearn.com/learn/C/2914/?ref=app

Answer 2

The syntax for taking input is incorrect in your code

The correct syntax as per your code would be this..

float price ;
scanf("%f",&price);