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1.3 KiB

doop

Instructions

Write a program that is called doop.

The program has to be used with three arguments:

  • A value
  • An operator
  • Another value

You should use int64.

The following operators are considered valid: "+", "-", "/", "*", "%".

In case of an invalid operator the programs prints 0.

In case of an invalid number of arguments the program prints nothing.

In case of overflow the program prints Overflow.

The program has to handle the modulo and division operations by 0 as shown on the output examples below.

fmt.Print is authorized.

Usage

student@ubuntu:~/piscine-go/test$ go build doop.go
student@ubuntu:~/piscine-go/test$ ./doop
student@ubuntu:~/piscine-go/test$ ./doop 1 + 1 | cat -e
2$
student@ubuntu:~/piscine-go/test$ ./doop hello + 1 | cat -e
0$
student@ubuntu:~/piscine-go/test$ ./doop 1 p 1 | cat -e
0$
student@ubuntu:~/piscine-go/test$ ./doop 1 / 0 | cat -e
No division by 0$
student@ubuntu:~/piscine-go/test$ ./doop 1 % 0 | cat -e
No Modulo by 0$
student@ubuntu:~/piscine-go/test$ ./doop 9223372036854775807 + 1
Overflow
student@ubuntu:~/piscine-go/test$ ./doop -9223372036854775809 "*" 3
Overflow
student@ubuntu:~/piscine-go/test$ ./doop 9223372036854775807 "*" 3
Overflow
student@ubuntu:~/piscine-go/test$ ./doop 1 "*" 1
1
student@ubuntu:~/piscine-go/test$ ./doop 1 "*" -1
-1