public/subjects/addprimesum/README.md

addprimesum

Instructions

Write a program that takes a positive integer as argument and displays the sum of all prime numbers inferior or equal to it followed by a newline ('\n').

• If the number of arguments is different from 1, or if the argument is not a positive number, the program displays 0 followed by a newline.

Usage

$ go run . 5
10
$ go run . 7
17
$ go run . -2
0
$ go run . 0
0
$ go run .
0
$ go run . 5 7
0
$