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Return value from Main


Last updated: 8/23/2020 Difficulty: Intermediate

Create a new version of the program Main parameter calculator where you can return the following error codes from Main:

.
  • Return 1 if the total parameters are different from 3.
  • Return 2 if the second parameter is not a valid arithmetic sign (+, -, x, *, /).
  • Return 3 if the first or third parameter is not a valid number.
  • Return 0 if everything is correct.

Input

2 x 2

Output

4

Solution

Functions C

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