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752 B
752 B
doop
Instructions
Write a program that is called doop.
The program has to be used with three arguments:
- A value
- An operator, one of :
+,-,/,*,% - Another value
In case of an invalid operator, value, number of arguments or an overflow the programs prints nothing.
The program has to handle the modulo and division operations by 0 as shown on the output examples below.
Usage
$ go run .
$ go run . 1 + 1 | cat -e
2$
$ go run . hello + 1
$ go run . 1 p 1
$ go run . 1 / 0 | cat -e
No division by 0$
$ go run . 1 % 0 | cat -e
No modulo by 0$
$ go run . 9223372036854775807 + 1
0
$ go run . -9223372036854775809 - 3
0
$ go run . 9223372036854775807 "*" 3
0
$ go run . 1 "*" 1
1
$ go run . 1 "*" -1
-1
$