結果
問題 | No.697 池の数はいくつか |
ユーザー | 👑 obakyan |
提出日時 | 2019-05-12 13:35:57 |
言語 | Lua (LuaJit 2.1.1696795921) |
結果 |
AC
|
実行時間 | 3,814 ms / 6,000 ms |
コード長 | 2,299 bytes |
コンパイル時間 | 82 ms |
コンパイル使用メモリ | 6,940 KB |
実行使用メモリ | 19,616 KB |
最終ジャッジ日時 | 2024-04-25 20:28:41 |
合計ジャッジ時間 | 22,671 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 1 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 1 ms
6,944 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 301 ms
6,944 KB |
testcase_25 | AC | 310 ms
6,940 KB |
testcase_26 | AC | 342 ms
6,944 KB |
testcase_27 | AC | 324 ms
6,940 KB |
testcase_28 | AC | 325 ms
6,940 KB |
testcase_29 | AC | 3,814 ms
11,068 KB |
testcase_30 | AC | 2,789 ms
19,536 KB |
testcase_31 | AC | 3,724 ms
11,052 KB |
testcase_32 | AC | 2,857 ms
19,588 KB |
testcase_33 | AC | 2,947 ms
19,544 KB |
testcase_34 | AC | 2,882 ms
19,616 KB |
ソースコード
local ior = io.input() local h, w = ior:read("*n", "*n", "*l") local function getindex(i_h, i_w) return i_w + (i_h - 1) * w end local mapbox = {} for i = 1, math.ceil(h * w / 16) do mapbox[i] = 0 end local function setval(idx, val) local boxidx = math.ceil(idx / 16) local boxval = mapbox[boxidx] local newval, mul = 0, 1 local boxpos = idx % 16 for i = 0, 15 do if(i == boxpos) then newval = newval + mul * (val % 2) else newval = newval + mul * (boxval % 2) end boxval = math.floor(boxval / 2) mul = mul * 2 end mapbox[boxidx] = newval end local function getval(idx) local boxidx = math.ceil(idx / 16) local boxval = mapbox[boxidx] local boxpos = idx % 16 for i = 1, boxpos do boxval = math.floor(boxval / 2) end return boxval % 2 end local str = "" for i_h = 1, h do str = ior:read() for i_w = 1, w do local idx = getindex(i_h, i_w) if(str:sub(i_w * 2 - 1, i_w * 2 - 1) == "1") then setval(idx, 1) else setval(idx, 0) end end end -- for i_h = 1, h do -- for i_w = 1, w do -- if(i_w ~= 1) then io.write(" ") end -- local idx = getindex(i_h, i_w) -- local a = getval(idx) -- io.write(a) -- end -- io.write("\n") -- end -- os.exit() local tasks = {} local tasknum = 0 local done = 0 local tasklim = h + w local function addtask(idx) setval(idx, 0) tasknum = tasknum + 1 local taskidx = tasknum % tasklim if taskidx == 0 then taskidx = tasklim end tasks[taskidx] = idx end local curpos = 1 local lakecount = 0 local function searchtask() for i = curpos, h * w do if(getval(i) == 1) then lakecount = lakecount + 1 curpos = i addtask(i) break end end end searchtask() while(done < tasknum) do done = done + 1 local taskidx = done % tasklim if(taskidx == 0) then taskidx = tasklim end local idx = tasks[taskidx] if(w < idx) then if(getval(idx - w) == 1) then addtask(idx - w) end end if(idx <= (h - 1) * w) then if(getval(idx + w) == 1) then addtask(idx + w) end end if(1 < w) then if(idx % w ~= 0) then if(getval(idx + 1) == 1) then addtask(idx + 1) end end if(idx % w ~= 1) then if(getval(idx - 1) == 1) then addtask(idx - 1) end end end if(done == tasknum) then searchtask() end end print(lakecount)