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Stored size: 366 Bytes

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