Contents

-module(difference_of_squares).

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

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 ).


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

Version data entries

84 entries across 84 versions & 1 rubygems

Version	Path
trackler-2.0.6.28	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.27	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.26	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.25	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.24	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.23	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.22	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.21	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.20	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.19	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.18	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.17	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.16	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.15	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.14	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.13	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.12	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.11	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.10	tracks/erlang/exercises/difference-of-squares/example.erl
trackler-2.0.6.9	tracks/erlang/exercises/difference-of-squares/example.erl