結果
| 問題 | No.1036 Make One With GCD 2 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-04-24 23:17:16 |
| 言語 | Lua (LuaJit 2.1.1765228720) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,539 bytes |
| 記録 | |
| コンパイル時間 | 232 ms |
| コンパイル使用メモリ | 6,688 KB |
| 実行使用メモリ | 96,840 KB |
| 最終ジャッジ日時 | 2024-11-07 03:06:39 |
| 合計ジャッジ時間 | 8,201 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | -- * 4 |
| other | TLE * 1 -- * 40 |
ソースコード
local mfl, mce = math.floor, math.ceil
local mmi, mma = math.min, math.max
local bls, brs = bit.lshift, bit.rshift
local function getgcd(x, y)
if not x then return y
elseif not y then return x end
while 0LL < x do
x, y = y % x, x
end
return y
end
local function lltonumber(str)
local ret = 0LL
for i = 1, #str do
ret = ret * 10LL + str:sub(i, i):byte() - 48
end
return ret
end
-- local function lltonumber(str)
-- if #str < 10 then
-- return 1LL * tonumber(str)
-- else
-- local v1 = str:sub(#str - 8, #str)
-- local v2 = str:sub(1, #str - 9)
-- return 1000000000LL * tonumber(v2) + tonumber(v1)
-- end
-- end
local SegTree = {}
SegTree.updateAll = function(self)
for i = self.stagenum - 1, 1, -1 do
local cnt = bls(1, i - 1)
for j = 1, cnt do
self.stage[i][j] = self.func(self.stage[i + 1][j * 2 - 1], self.stage[i + 1][j * 2])
end
end
end
SegTree.create = function(self, n, func, emptyvalue)
self.func, self.emptyvalue = func, emptyvalue
local stagenum, mul = 1, 1
self.stage = {{}}
while mul < n do
mul, stagenum = mul * 2, stagenum + 1
self.stage[stagenum] = {}
end
self.stagenum = stagenum
for i = 1, mul do self.stage[stagenum][i] = emptyvalue end
end
SegTree.setSilent = function(self, idx, value)
self.stage[self.stagenum][idx] = value
end
SegTree.right_bound = function(self, left, right)
local ret, retpos = self.emptyvalue, left - 1
local stage, l, r = 1, left, right
local stagenum = self.stagenum
while true do
local sz = bls(1, stagenum - stage)
while (l - 1) % sz ~= 0 or r + 1 - l < sz do
stage = stage + 1
sz = bls(1, stagenum - stage)
end
local tmp = self.func(ret, self.stage[stage][mce(l / sz)])
if 1LL < tmp then
ret, retpos = tmp, l + sz - 1
if retpos == right then break end
if l + sz <= r then stage, l, r = 1, l + sz, r
else break end
else
if sz ~= 1 then stage, l, r = stage + 1, l, l + sz - 2
else break end
end
end
return retpos + 1
end
SegTree.new = function(n, func, emptyvalue)
local obj = {}
setmetatable(obj, {__index = SegTree})
obj:create(n, func, emptyvalue)
return obj
end
local n = io.read("*n", "*l")
local s = io.read()
local st = SegTree.new(n, getgcd, false)
do
local i = 1
for w in s:gmatch("%d+") do
st:setSilent(i, lltonumber(w))
i = i + 1
end
end
st:updateAll()
local ret = 0
for i = 1, n do
local p = st:right_bound(i, n)
ret = ret + n + 1 - p
end
print(ret)
-- print(os.clock())