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authorNathan Lasseter <nathan.je.lasseter@googlemail.com>2009-10-04 00:56:56 +0100
committerNathan Lasseter <nathan.je.lasseter@googlemail.com>2009-10-04 00:56:56 +0100
commit0248ed34ce3d05228bc5084669c3a27933be0c2e (patch)
treeb9c4990344b0863a2af851b5917c49f3a5f03e6b /problem39.erl
parent00686037d57eb0a0d5eba6eeb6fcc9692e8b59f6 (diff)
first commit
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diff --git a/problem39.erl b/problem39.erl
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+-module(problem39).
+-export([solve/0]).
+
+solve() ->
+ N = lists:seq(1,1000),
+ L = [{X,length(pythag(X))} || X <- N],
+ hd(lists:sort(fun({_,A},{_,B}) -> A > B end, L)).
+
+pythag(N) ->
+ D = lists:seq(1,N),
+ [{A,B,C} || A <- D,B <- D, C <- D, A+B+C=:=N, A*A+B*B=:=C*C].