結果
問題 | No.1189 Sum is XOR |
ユーザー | 👑 obakyan |
提出日時 | 2021-05-27 22:39:20 |
言語 | Lua (LuaJit 2.1.1696795921) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,366 bytes |
コンパイル時間 | 309 ms |
コンパイル使用メモリ | 6,824 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-06 16:19:56 |
合計ジャッジ時間 | 2,615 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | AC | 22 ms
5,248 KB |
testcase_04 | AC | 19 ms
5,248 KB |
testcase_05 | AC | 31 ms
5,248 KB |
testcase_06 | AC | 44 ms
5,248 KB |
testcase_07 | AC | 25 ms
5,248 KB |
testcase_08 | AC | 12 ms
5,248 KB |
testcase_09 | AC | 12 ms
5,248 KB |
testcase_10 | AC | 10 ms
5,248 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | AC | 7 ms
5,248 KB |
testcase_22 | AC | 7 ms
5,248 KB |
ソースコード
local mmi, mma = math.min, math.max local bls, brs = bit.lshift, bit.rshift local bxor = bit.bxor local mod = 998244353 local mfl = math.floor local function bmul(x, y) local x0, y0 = x % 31596, y % 31596 local x1, y1 = mfl(x / 31596), mfl(y / 31596) return (x1 * y1 * 62863 + (x1 * y0 + x0 * y1) * 31596 + x0 * y0) % mod end local function badd(x, y) return (x + y) % mod end local n, k = io.read("*n", "*n") local a = {} for i = 1, n do a[i] = io.read("*n") end if 10 < k then print(0) os.exit() end local tot = bls(1, 10) local alltask = {} local stagetask = {} for i = 1, 10 do stagetask[i] = {} end for i = 1, tot - 1 do alltask[i] = {} for j = 1, k do alltask[i][j] = 0 end end for i = 1, tot - 1 do local ti = i local cnt = 0 for j = 1, 10 do if ti % 2 == 1 then cnt = cnt + 1 end ti = brs(ti, 1) end table.insert(stagetask[cnt], i) end for i = 1, n do alltask[a[i]][1] = alltask[a[i]][1] + 1 end local function grayCode(x) return bxor(x, brs(x, 1)) end local g_dst = 0 local g_box = {} local g_src = 0 local function add_func(idx) g_src = g_src + bls(1, g_box[idx] - 1) end local function rm_func(idx) g_src = g_src - bls(1, g_box[idx] - 1) end local function work_func() if g_src * 2 < g_dst then local lim = mmi(k, #g_box) local at1 = alltask[g_src] local at2 = alltask[g_dst - g_src] local atd = alltask[g_dst] for i = 2, lim do local v = 0 for j = 1, i - 1 do v = badd(v, bmul(at1[j], at2[i - j])) end atd[i] = badd(atd[i], v) end end end local bpos = {} for i = 1, 10 do bpos[bls(1, i - 1)] = i end local function grayWalk(size) local prv = 0 local total = bls(1, size) - 1 -- work_func() for i = 1, total do local v = grayCode(i) if prv < v then prv, v = v, v - prv add_func(bpos[v]) else prv, v = v, prv - v rm_func(bpos[v]) end work_func() end end for stage = 2, 10 do local stlen = #stagetask[stage] for i_stagetask = 1, stlen do local tmp = stagetask[stage][i_stagetask] g_dst = tmp g_src = 0 local c = 0 for j = 1, 10 do if tmp % 2 == 1 then c = c + 1 g_box[c] = j end tmp = brs(tmp, 1) end grayWalk(stage) end end local ret = 0 for i = 1, 1023 do ret = badd(ret, alltask[i][k]) end print(ret)