Contents

-module(example).

-export( [sum_of_squares/1, square_of_sums/1, difference_of_squares/1, test_version/0] ).

sum_of_squares( N ) -> lists:sum( [square(X) || X <- lists:seq(1, N)] ).

square_of_sums( N ) -> square( lists:sum(lists:seq(1, N)) ).

difference_of_squares( N ) -> square_of_sums( N ) - sum_of_squares( N ).

test_version() ->
    1.


square( N ) -> erlang:trunc( math:pow(N, 2) ).

Version data entries

310 entries across 310 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.179	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.178	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.177	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.176	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.175	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.174	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.173	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.172	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.171	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.170	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.169	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.167	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.166	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.165	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.164	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.163	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.162	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.161	tracks/erlang/exercises/difference-of-squares/src/example.erl
trackler-2.2.1.160	tracks/erlang/exercises/difference-of-squares/src/example.erl