結果
問題 | No.2748 Strange Clock |
ユーザー | Yu_212 |
提出日時 | 2024-04-21 15:16:56 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,904 bytes |
コンパイル時間 | 3,036 ms |
コンパイル使用メモリ | 258,404 KB |
実行使用メモリ | 307,636 KB |
最終ジャッジ日時 | 2024-10-13 14:06:00 |
合計ジャッジ時間 | 9,865 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | AC | 2 ms
10,496 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 3 ms
5,248 KB |
testcase_15 | AC | 3 ms
5,248 KB |
testcase_16 | AC | 3 ms
5,248 KB |
testcase_17 | AC | 3 ms
5,248 KB |
testcase_18 | AC | 6 ms
5,248 KB |
testcase_19 | AC | 6 ms
5,248 KB |
testcase_20 | AC | 17 ms
6,652 KB |
testcase_21 | WA | - |
testcase_22 | AC | 52 ms
15,404 KB |
testcase_23 | AC | 51 ms
15,400 KB |
testcase_24 | WA | - |
testcase_25 | AC | 234 ms
38,880 KB |
testcase_26 | AC | 1,171 ms
150,712 KB |
testcase_27 | AC | 1,208 ms
150,712 KB |
testcase_28 | TLE | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
ソースコード
#include<bits/stdc++.h> using namespace std; using ll = long long; using pll = pair<ll, ll>; const ll mod = 998244353; int n; using ULL = unsigned long long; struct BarrettReduction { ULL MOD; __int128 m; BarrettReduction(ULL MOD_): MOD(MOD_) { m = (__int128(1)<<64) / MOD; } ULL reduce(ULL x) const { ULL q = (x*m)>>64; x -= q * MOD; return x < MOD? x: x-MOD; } }; ll extgcd(ll a, ll b) { ll x0 = 1, x1 = 0, y0 = 0, y1 = 1; while (b != 0) { ll q = a / b; ll r = a % b; ll x2 = x0 - q * x1; ll y2 = y0 - q * y1; a = b; b = r; x0 = x1; x1 = x2; y0 = y1; y1 = y2; } return x0; } ll crt(ll r1, ll m1, ll r2, ll dpq1, BarrettReduction br2, BarrettReduction br3) { ll temp = br2.reduce((r2 - r1) * dpq1); return br3.reduce(r1 + m1 * temp); } ll pw(ll a, ll b) { ll x = 1; while (b > 0) { if ((b & 1) == 1) { x = x * a; } a = a * a; b >>= 1; } return x; } int main() { cin.tie(0)->sync_with_stdio(false); cin >> n; ll m; cin >> m; m += 2; ll p3 = pw(3, n); ll p4 = pw(4, n); ll p6 = pw(6, n); ll p12 = p3 * p4; BarrettReduction br4(p4); BarrettReduction br6(p6); BarrettReduction br12(p12); ll dpq1 = extgcd(p3, p4); unordered_map<ll, vector<ll>> mp; for (ll v3 = 0; v3 < p3; v3 += 3) { ll v4 = 0; ll v6 = 0; ll tmp = v3; ll pc4 = 4; ll pc6 = 6; for (int i = 1; i < n; i++) { tmp /= 3; v4 += tmp % 3 * pc4; v6 += tmp % 3 * pc6; pc4 *= 4; pc6 *= 6; } ll v12 = crt(v3, p3, v4, dpq1, br4, br12); ll diff = (ll)br6.reduce(v12 - v6); mp[diff].push_back(v12); } ll ans = 0; for (auto &[k, vv]: mp) { sort(vv.begin(), vv.end()); ll last = vv[vv.size() - 1] - p12; for (ll v : vv) { if (v - m > last) { ans++; } last = v; } } cout << ans << endl; }