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author | Nathan Lasseter <nathan.je.lasseter@googlemail.com> | 2009-10-04 00:56:56 +0100 |
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committer | Nathan Lasseter <nathan.je.lasseter@googlemail.com> | 2009-10-04 00:56:56 +0100 |
commit | 0248ed34ce3d05228bc5084669c3a27933be0c2e (patch) | |
tree | b9c4990344b0863a2af851b5917c49f3a5f03e6b /problem39.erl | |
parent | 00686037d57eb0a0d5eba6eeb6fcc9692e8b59f6 (diff) |
first commit
Diffstat (limited to 'problem39.erl')
-rwxr-xr-x | problem39.erl | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/problem39.erl b/problem39.erl new file mode 100755 index 0000000..1981d16 --- /dev/null +++ b/problem39.erl @@ -0,0 +1,11 @@ +-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]. |