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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 or overflow the programs prints 0.

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

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

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
0
student@ubuntu:~/piscine-go/test$ ./doop -9223372036854775809 - 3
0
student@ubuntu:~/piscine-go/test$ ./doop 9223372036854775807 "*" 3
0
student@ubuntu:~/piscine-go/test$ ./doop 1 "*" 1
1
student@ubuntu:~/piscine-go/test$ ./doop 1 "*" -1
-1
student@ubuntu:~/piscine-go/test$