Sha256: 290856bcf822e9f41613620e1289e94553ca69696b941aa46275573bfb7a310e
Contents?: true
Size: 805 Bytes
Versions: 188
Compression:
Stored size: 805 Bytes
Contents
-module(example).
-export([test_version/0,make/1]).
test_version() -> 1.
make(N) ->
Self = self(),
Rows = Cols = lists:seq(1,N),
lists:foreach(
fun(Y) ->
spawn_link(fun() ->
Self ! {Y, [n(X,Y,N)||X<-Cols]}
end)
end, Rows),
lists:map(fun(Y) ->
receive
{Y, L} -> L
end
end, Rows).
n(0,1,_) -> 0;
n(X,Y,N) when Y=:=X+1, X+Y=<N+1 -> n(X-1, Y-1, N) + 4*(N - 2*X + 1);
n(X,Y,N) when X+Y=<N+1, X-Y>=0 -> n(Y-1, Y, N) + X-Y+1;
n(X,Y,N) when X+Y>N+1, X-Y>=0 -> n(X, N+1-X, N) + X+Y-N-1;
n(X,Y,N) when X+Y>=N+1 -> n(Y, Y, N) + Y-X;
n(X,Y,N) -> n(X, N-X+1, N) + N+1-X-Y.
Version data entries
188 entries across 188 versions & 1 rubygems