結果

問題 No.107 モンスター
ユーザー 👑 obakyan
提出日時 2020-03-27 22:54:38
言語 Lua
(LuaJit 2.1.1734355927)
結果
AC  
実行時間 38 ms / 5,000 ms
コード長 1,985 bytes
コンパイル時間 80 ms
コンパイル使用メモリ 6,952 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2025-01-02 09:45:06
合計ジャッジ時間 1,332 ms
ジャッジサーバーID
(参考情報)
judge4 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 4
other AC * 21
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

local bls, brs = bit.lshift, bit.rshift
local mfl, mce = math.floor, math.ceil
local mmi, mma = math.min, math.max
local n = io.read("*n")
local cost = {}
for i = 1, n do
cost[i] = io.read("*n")
end
local maxhp = {}
local tot = bls(1, n)
for i = 1, tot - 1 do
local lv = 1
local ti = i
for j = 1, n do
if ti % 2 == 1 then
if cost[j] < 0 then
lv = lv + 1
end
end
ti = brs(ti, 1)
end
maxhp[i] = 100 * lv
end
local function bdp_prepare()
local alltask = {}
local stagetask = {}
for i = 1, n do
stagetask[i] = {}
end
for i = 1, tot - 1 do
alltask[i] = 0
end
for i = 1, tot - 1 do
local ti = i
local cnt = 0
for j = 1, n do
if ti % 2 == 1 then
cnt = cnt + 1
ti = ti - 1
end
ti = ti / 2
end
table.insert(stagetask[cnt], i)
end
-- set first state
local tmp = 1
for i = 1, n do
if cost[i] < 0 then
alltask[tmp] = mma(0, 100 + cost[i])
else
alltask[tmp] = 100
end
tmp = tmp * 2
end
return alltask, stagetask
end
local function bdp_doall(alltask, stagetask)
for stage = 1, n - 1 do
local stlen = #stagetask[stage]
for i_stagetask = 1, stlen do
local used = stagetask[stage][i_stagetask]
local mul = 1
local tmp = used
if 0 < alltask[used] then
for j = 1, n do
if tmp % 2 == 0 then
local nxt = 0
if cost[j] < 0 then
nxt = mma(0, alltask[used] + cost[j])
else
nxt = mmi(maxhp[used], alltask[used] + cost[j])
end
alltask[used + mul] = mma(alltask[used + mul], nxt)
else
tmp = tmp - 1
end
tmp = tmp / 2
mul = mul * 2
end
end
end
end
end
local function bdp_getresult(alltask)
return alltask[tot - 1]
end
local alltask, stagetask = bdp_prepare()
bdp_doall(alltask, stagetask)
local ret = bdp_getresult(alltask)
print(ret)
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