結果
問題 | No.807 umg tours |
ユーザー | 👑 obakyan |
提出日時 | 2020-09-12 00:05:12 |
言語 | Lua (LuaJit 2.1.1696795921) |
結果 |
AC
|
実行時間 | 990 ms / 4,000 ms |
コード長 | 2,268 bytes |
コンパイル時間 | 123 ms |
コンパイル使用メモリ | 5,248 KB |
実行使用メモリ | 74,976 KB |
最終ジャッジ日時 | 2024-06-08 19:02:13 |
合計ジャッジ時間 | 10,835 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 4 ms
5,248 KB |
testcase_01 | AC | 4 ms
5,376 KB |
testcase_02 | AC | 5 ms
5,376 KB |
testcase_03 | AC | 4 ms
5,376 KB |
testcase_04 | AC | 4 ms
5,376 KB |
testcase_05 | AC | 4 ms
5,376 KB |
testcase_06 | AC | 5 ms
5,376 KB |
testcase_07 | AC | 4 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 481 ms
48,492 KB |
testcase_12 | AC | 535 ms
49,140 KB |
testcase_13 | AC | 715 ms
62,744 KB |
testcase_14 | AC | 285 ms
29,916 KB |
testcase_15 | AC | 212 ms
23,652 KB |
testcase_16 | AC | 731 ms
65,712 KB |
testcase_17 | AC | 944 ms
73,980 KB |
testcase_18 | AC | 990 ms
74,976 KB |
testcase_19 | AC | 927 ms
74,752 KB |
testcase_20 | AC | 613 ms
50,560 KB |
testcase_21 | AC | 606 ms
51,968 KB |
testcase_22 | AC | 227 ms
24,704 KB |
testcase_23 | AC | 170 ms
21,248 KB |
testcase_24 | AC | 469 ms
52,040 KB |
testcase_25 | AC | 912 ms
71,820 KB |
ソースコード
local mfl, mce = math.floor, math.ceil local mmi, mma = math.min, math.max local pow2 = {1} for i = 2, 28 do pow2[i] = pow2[i - 1] * 2 end local SegTree = {} SegTree.updateAll = function(self) for i = self.stagenum - 1, 1, -1 do local cnt = pow2[i] for j = 0, cnt - 1 do self.stage[cnt + j] = self.func(self.stage[(cnt + j) * 2], self.stage[(cnt + j) * 2 + 1]) 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 end self.stagenum = stagenum for i = 1, mul * 2 - 1 do self.stage[i] = emptyvalue end for i = 1, n do self.stage[mul + i - 1] = i end self:updateAll() end SegTree.update = function(self, idx) idx = idx + pow2[self.stagenum] - 1 for i = self.stagenum - 1, 1, -1 do local dst = mfl(idx / 2) local rem = dst * 4 + 1 - idx self.stage[dst] = self.func(self.stage[idx], self.stage[rem]) idx = dst end end SegTree.new = function(n, func, emptyvalue) local obj = {} setmetatable(obj, {__index = SegTree}) obj:create(n, func, emptyvalue) return obj end local n, m = io.read("*n", "*n") local rawn = n n = n * 2 local len = {} local asked = {} local edge = {} for i = 1, n do len[i] = -1 asked[i] = false edge[i] = {} if i <= rawn then edge[i][rawn + i] = 0 end end for i = 1, m do local a, b, c = io.read("*n", "*n", "*n") edge[a][b], edge[b][a] = c, c edge[rawn + a][rawn + b], edge[rawn + b][rawn + a] = c, c edge[a][rawn + b], edge[b][rawn + a] = 0, 0 end len[1] = 0 asked[n + 1] = true local function mergefunc(x, y) if asked[x] then return y elseif asked[y] then return x elseif len[x] < 0 then return y elseif len[y] < 0 then return x else return len[x] < len[y] and x or y end end local st = SegTree.new(n, mergefunc, n + 1) for i = 1, n do local src = st.stage[1] if asked[src] then break end if len[src] < 0 then break end asked[src] = true st:update(src) for dst, cost in pairs(edge[src]) do if len[dst] < 0 or len[src] + cost < len[dst] then len[dst] = len[src] + cost st:update(dst) end end end for i = 1, rawn do print(len[i] + len[rawn + i]) end