提出 #68109811

---

ソースコード 拡げる

function main()
    n, m = int(inputs())
    a = int(inputs())
    b = int(inputs())
    a_ = Dict{Int,Int}()
    for i in a
        a_[i] = get(a_, i, 0) + 1
    end
    for i in 1:m
        if get(a_, b[i], 0) > 0
            a_[b[i]] = max(0, a_[b[i]] - 1)
        end
    end
    ans = []
    for i in keys(a_)
        for j in 1:a_[i]
            push!(ans, i)
        end
    end
    println(join(sort(ans), " "))
end
# --------input func----------

input() = readline()
inputs() = split(readline())
int(s::AbstractChar) = parse(Int, s)
int(s::AbstractString) = parse(Int, s)
int(v::AbstractArray) = parse.(Int, v)
debug(x...) = println(stderr, x...)
isfile("myinput.txt") && (mystdin = open("myinput.txt", "r"); redirect_stdin(mystdin))
main()
@isdefined(mystdin) && close(mystdin)

提出情報

ジャッジ結果