結果
| 問題 |
No.1330 Multiply or Divide
|
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2022-05-05 17:58:55 |
| 言語 | Lua (LuaJit 2.1.1734355927) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,749 bytes |
| コンパイル時間 | 164 ms |
| コンパイル使用メモリ | 5,504 KB |
| 実行使用メモリ | 40,356 KB |
| 最終ジャッジ日時 | 2024-07-04 19:29:43 |
| 合計ジャッジ時間 | 4,039 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 1 TLE * 1 -- * 44 |
ソースコード
local mmi, mma = math.min, math.max
local mfl, mce = math.floor, math.ceil
local bls, brs = bit.lshift, bit.rshift
local Heapq = {}
Heapq.create = function(self, lt)
self.lt = lt
self.cnt = 0
self.t = {}
end
Heapq.empty = function(self)
return self.cnt == 0
end
Heapq.push = function(self, v)
local hqlt = self.lt
local hqt = self.t
local c = self.cnt + 1
self.cnt = c
hqt[c] = v
while 1 < c do
local p = brs(c, 1)
if hqlt(hqt[c], hqt[p]) then
hqt[c], hqt[p] = hqt[p], hqt[c]
c = p
else
break
end
end
end
Heapq.pop = function(self)
local hqlt = self.lt
local hqt = self.t
local ret = hqt[1]
local c = self.cnt
hqt[1] = hqt[c]
c = c - 1
self.cnt = c
local p = 1
while true do
local d1, d2 = p * 2, p * 2 + 1
if c < d1 then break
elseif c < d2 then
if hqlt(hqt[d1], hqt[p]) then
hqt[d1], hqt[p] = hqt[p], hqt[d1]
end
break
else
if hqlt(hqt[d1], hqt[d2]) then
if hqlt(hqt[d1], hqt[p]) then
hqt[d1], hqt[p] = hqt[p], hqt[d1]
p = d1
else break
end
else
if hqlt(hqt[d2], hqt[p]) then
hqt[d2], hqt[p] = hqt[p], hqt[d2]
p = d2
else break
end
end
end
end
return ret
end
Heapq.new = function(lt)
local obj = {}
setmetatable(obj, {__index = Heapq})
obj:create(lt)
return obj
end
local n, m, p = io.read("*n", "*n", "*n")
local a = {}
local amax = 0
for i = 1, n do
a[i] = io.read("*n")
amax = mma(amax, a[i])
end
if m < amax then print(1) os.exit() end
local c = {}
for i = 1, n do
local ci = 1
local ai = a[i]
while ai % p == 0 do
ci = ci + 1
ai = mfl(ai / p)
end
if 1 < ai then
if c[ai] then
c[ai] = mmi(c[ai], ci)
else
c[ai] = ci
end
end
end
if not next(c) then print(-1) os.exit() end
local cm = {}
for k, v in pairs(c) do
table.insert(cm, {k, v})
end
table.sort(cm, function(a, b) return a[1] < b[1] end)
local cn = #cm
local val, score, valmap = {}, {}, {}
valmap[m] = 1
val[1] = m
score[1] = 0
local hq = Heapq.new(function(a, b) return val[a] > val[b] end)
hq:push(1)
local zz = 0
local ret = 1000000007
while not hq:empty() do
local idx = hq:pop()
local v, s = val[idx], score[idx]
if v < amax then
ret = mmi(ret, s + 1)
else
zz = zz + 1
for i = 1, cn do
local div = cm[i][1]
local cost = cm[i][2]
local dst = mfl(v / div)
local dstidx = valmap[dst]
if dstidx then
score[dstidx] = mmi(score[dstidx], s + cost)
else
table.insert(val, dst)
table.insert(score, s + cost)
valmap[dst] = #val
hq:push(#val)
end
end
end
end
print(ret)
-- print(os.clock())