I was using the help50 tool and the error was something that help50 didn't recognise. In one of the shorts it was mentioned we can let the cs50 team know. How do I do that please?

The error message was as follows:

$ help50 make valid_triangle1
clang -fsanitize=signed-integer-overflow -fsanitize=undefined -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wshadow    valid_triangle1.c  -lcrypt -lcs50 -lm -o valid_triangle1
valid_triangle1.c:15:38: error: called object type 'int' is not a function or
      function pointer
    if ((x + y <= z) || (x + z <= y) (y + z <= x))
                        ~~~~~~~~~~~~ ^
1 error generated.
make: *** [valid_triangle1] Error 1

Sorry, not sure how to help (yet) with this one!

1 Answer 1


It's actually automated now (we get a post every time someone uses help50 and there's no help available). So no need to report it. :)

  • Thank you so much, that's great!
    – Xia Liu
    Jul 17, 2018 at 10:06
  • You're welcome. Can you please accept my answer to remove this from the unanswered queue? :)
    – curiouskiwi
    Jul 17, 2018 at 10:17

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