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January 5, 2017 20:27
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Snap Crackle Pop: Prints out the numbers 1 to 100 (inclusive). If the number is divisible by 3, print Crackle instead of the number. If it's divisible by 5, print Pop. If it's divisible by both 3 and 5, print CracklePop.
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%%%------------------------------------------------------------------- | |
%%% @doc | |
%%% Snap Crackle Pop | |
%%% Prints out the numbers 1 to 100 (inclusive). | |
%%% If the number is divisible by 3, print Crackle instead of the number. | |
%%% If it's divisible by 5, print Pop. | |
%%% If it's divisible by both 3 and 5, print CracklePop. | |
%%% | |
%%% Run (the simple way): | |
%%% - Download erlang/otp: $ brew install erlang | |
%%% - Start erlang: $ erl | |
%%% - Compile + run: > c(snapcracklepop). snapcracklepop:snap_crackle_pop(). | |
%%% | |
%%% @end | |
%%% @contributors: | |
%%% Alexandra Berke (github: aberke) | |
%%%------------------------------------------------------------------- | |
-module(snapcracklepop). | |
-export([ | |
snap_crackle_pop/0 | |
]). | |
-define(MIN, 1). | |
-define(MAX, 100). | |
print_snap_crackle_pop(N) when (N rem 15 =:= 0) -> io:format("CracklePop~n"); | |
print_snap_crackle_pop(N) when (N rem 3 =:= 0) -> io:format("Crackle~n"); | |
print_snap_crackle_pop(N) when (N rem 5 =:= 0) -> io:format("Pop~n"); | |
print_snap_crackle_pop(N) -> io:format("~p~n", [N]). | |
snap_crackle_pop(N) when N > ?MAX -> ok; | |
snap_crackle_pop(N) -> | |
print_snap_crackle_pop(N), | |
snap_crackle_pop(N + 1). | |
-spec snap_crackle_pop() -> ok. | |
snap_crackle_pop() -> | |
snap_crackle_pop(?MIN). |
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