結果
問題 | No.2748 Strange Clock |
ユーザー | Yu_212 |
提出日時 | 2024-04-21 14:49:01 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,568 bytes |
コンパイル時間 | 2,837 ms |
コンパイル使用メモリ | 251,984 KB |
実行使用メモリ | 188,160 KB |
最終ジャッジ日時 | 2024-10-13 13:36:23 |
合計ジャッジ時間 | 9,332 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
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 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
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 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | TLE | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
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; 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 m2, ll dpq1) { ll m = m1 * m2; ll temp = (r2 - r1) * dpq1 % m2; return ((r1 + m1 * temp) % m + m) % m; } 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 = pw(12, n); ll dpq1 = extgcd(p3, p4); map<ll, ll> first; map<ll, ll> last; int ans = 0; 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, p4, dpq1); ll diff = (v12 % p6 + p6 - v6) % p6; if (first.count(diff)) { if (v12 - m > last[diff]) { ans++; } last[diff] = v12; } else { first[diff] = v12; last[diff] = v12; } } for (auto &[k, vv]: first) { if (last[k] - m > vv - p12) { ans++; } } cout << ans << endl; }