結果
問題 | No.1949 足し算するだけのパズルゲーム(2) |
ユーザー | 👑 obakyan |
提出日時 | 2022-05-29 00:03:01 |
言語 | Lua (LuaJit 2.1.1696795921) |
結果 |
AC
|
実行時間 | 223 ms / 3,000 ms |
コード長 | 2,412 bytes |
コンパイル時間 | 27 ms |
コンパイル使用メモリ | 6,688 KB |
実行使用メモリ | 8,320 KB |
最終ジャッジ日時 | 2024-09-20 23:38:55 |
合計ジャッジ時間 | 3,645 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 2 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 130 ms
6,940 KB |
testcase_08 | AC | 67 ms
6,940 KB |
testcase_09 | AC | 137 ms
7,936 KB |
testcase_10 | AC | 136 ms
7,936 KB |
testcase_11 | AC | 94 ms
7,424 KB |
testcase_12 | AC | 89 ms
7,936 KB |
testcase_13 | AC | 92 ms
7,936 KB |
testcase_14 | AC | 92 ms
8,064 KB |
testcase_15 | AC | 93 ms
7,936 KB |
testcase_16 | AC | 56 ms
6,944 KB |
testcase_17 | AC | 223 ms
8,192 KB |
testcase_18 | AC | 56 ms
6,944 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 3 ms
6,944 KB |
testcase_22 | AC | 161 ms
8,320 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 81 ms
7,552 KB |
testcase_25 | AC | 146 ms
6,940 KB |
ソースコード
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 h, w = io.read("*n", "*n") local sr, sc = io.read("*n", "*n") local added = {} local a = {} local v = 0 for i = 1, h do for j = 1, w do local idx = (i - 1) * w + j a[idx] = io.read("*n") added[idx] = false if i == sr and j == sc then v = a[idx] added[idx] = true end end end local hq = Heapq.new(function(x, y) return a[x] < a[y] end) local function walk(src) local row = mce(src / w) local col = src - (row - 1) * w if 1 < row and not added[src - w] then added[src - w] = true hq:push(src - w) end if row < h and not added[src + w] then added[src + w] = true hq:push(src + w) end if 1 < col and not added[src - 1] then added[src - 1] = true hq:push(src - 1) end if col < w and not added[src + 1] then added[src + 1] = true hq:push(src + 1) end end walk((sr - 1) * w + sc) while not hq:empty() do local idx = hq:pop() -- print(v, a[idx]) if v <= a[idx] then print("No") os.exit() end walk(idx) v = v + a[idx] end print("Yes")