我需要找到一个解决方案,使得三个数组中的数 a + b + c = 15(或任何其他值)。
目前我被以下代码卡住了:
A = 1:10
B = 1:10
C = 1:10
possibilities = Iterators.product(A, B, C)
solutions = Iterators.filter((a, b, c) -> a + b + c == 15, possibilities)
sol = collect(solutions)
for (a, b, c) in sol
println(a, " ", b, " ", c)
end
我收到编译器的以下错误信息:
> ERROR: LoadError: MethodError: no method matching
> (::##1#2)(::Tuple{Int64,Int64,Int64}) Closest candidates are:
> #1(::Any, !Matched::Any, !Matched::Any) at /home/cg/root/7729001/main.jl:6 Stacktrace: [1] start_filter(::##1#2,
> ::Base.Iterators.Prod{UnitRange{Int64},Base.Iterators.Prod2{UnitRange{Int64},UnitRange{Int64}}})
> at ./iterators.jl:272 [2] _collect(::UnitRange{Int64},
> ::Base.Iterators.Filter{##1#2,Base.Iterators.Prod{UnitRange{Int64},Base.Iterators.Prod2{UnitRange{Int64},UnitRange{Int64}}}},
> ::Base.HasEltype, ::Base.SizeUnknown) at ./array.jl:408 [3]
> collect(::Base.Iterators.Filter{##1#2,Base.Iterators.Prod{UnitRange{Int64},Base.Iterators.Prod2{UnitRange{Int64},UnitRange{Int64}}}})
> at ./array.jl:397 while loading /home/cg/root/7729001/main.jl, in
> expression starting on line 7
也许您有解决此问题的想法或解决方法。