wk2/lect/status.c


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#include <stdio.h>
#include <cs50.h>

int main(int argc, string argv[])
{
    if (argc != 2)
    {
        printf("Missing command-line argument\n");
        return 1;
    }
    else
    {
        printf("hello, %s\n", argv[1]);
        return 0;
    }
}