結果
問題 | No.1036 Make One With GCD 2 |
ユーザー | 👑 obakyan |
提出日時 | 2020-04-24 22:57:27 |
言語 | Lua (LuaJit 2.1.1696795921) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,545 bytes |
コンパイル時間 | 361 ms |
コンパイル使用メモリ | 5,376 KB |
実行使用メモリ | 88,916 KB |
最終ジャッジ日時 | 2024-11-07 03:00:59 |
合計ジャッジ時間 | 8,500 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
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testcase_00 | TLE | - |
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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 x == 0LL then return y end if y == 0LL 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 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 self:updateAll() end SegTree.setValue = function(self, idx, value, silent) self.stage[self.stagenum][idx] = value if not silent then for i = self.stagenum - 1, 1, -1 do local dst = brs(idx + 1, 1) local rem = dst * 4 - 1 - idx self.stage[i][dst] = self.func(self.stage[i + 1][idx], self.stage[i + 1][rem]) idx = dst end end 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, 0LL) do local i = 1 for w in s:gmatch("%d+") do st:setValue(i, lltonumber(w), true) 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)