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929 B

switchcase

Instructions

Write a program that takes three strings:

  • The first and the third one are representations of base-10 signed integers that fit in an int.

  • The second one is an arithmetic operator chosen from: + - * / %

  • The program must display the result of the requested arithmetic operation, followed by a newline. If the number of parameters is not 3, the program just displays a newline.

  • You can assume the string have no mistakes or extraneous characters. Negative numbers, in input or output, will have one and only one leading -. The result of the operation fits in an int.

Example of output :

student@ubuntu:~/piscine/test$ go build
student@ubuntu:~/piscine/test$ ./test "123" "*" 456
56088
student@ubuntu:~/piscine/test$ ./test "9828" "/" 234
42
student@ubuntu:~/piscine/test$ ./test "10" "+" "-43"
33
student@ubuntu:~/piscine/test$ ./test

student@ubuntu:~/piscine/test$