結果
問題 | No.1307 Rotate and Accumulate |
ユーザー | sak |
提出日時 | 2021-01-05 03:28:40 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 691 ms / 5,000 ms |
コード長 | 3,043 bytes |
コンパイル時間 | 2,120 ms |
コンパイル使用メモリ | 210,820 KB |
実行使用メモリ | 44,724 KB |
最終ジャッジ日時 | 2024-10-15 12:09:24 |
合計ジャッジ時間 | 10,062 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
5,248 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 | 284 ms
24,020 KB |
testcase_09 | AC | 299 ms
24,396 KB |
testcase_10 | AC | 320 ms
24,312 KB |
testcase_11 | AC | 294 ms
23,800 KB |
testcase_12 | AC | 327 ms
24,264 KB |
testcase_13 | AC | 51 ms
6,300 KB |
testcase_14 | AC | 154 ms
13,724 KB |
testcase_15 | AC | 675 ms
44,720 KB |
testcase_16 | AC | 671 ms
44,724 KB |
testcase_17 | AC | 691 ms
44,720 KB |
testcase_18 | AC | 655 ms
44,724 KB |
testcase_19 | AC | 677 ms
44,628 KB |
testcase_20 | AC | 686 ms
44,720 KB |
testcase_21 | AC | 2 ms
5,248 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> p_ll; template<class T> void debug(T itr1, T itr2) { auto now = itr1; while(now<itr2) { cout << *now << " "; now++; } cout << endl; } #define repr(i,from,to) for (ll i=(ll)from; i<(ll)to; i++) #define all(vec) vec.begin(), vec.end() #define rep(i,N) repr(i,0,N) #define per(i,N) for (int i=(int)N-1; i>=0; i--) const ll MOD = 998244353; const ll LLINF = pow(2,61)-1; const int INF = pow(2,30)-1; vector<ll> fac; void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; } ll modpow(ll x, ll p) { ll result = 1, now = 1, pm = x; while (now<=p) { if (p&now) { result = result * pm % MOD; } now*=2; pm = pm*pm % MOD; } return result; } ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; } ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; } ll gcd(ll a, ll b) { if (a<b) swap(a,b); return b==0 ? a : gcd(b, a%b); } ll lcm(ll a, ll b) { return a/gcd(a,b)*b; } // ---------------------------------------------------------------------- // ---------------------------------------------------------------------- struct FastNumberTheoreticTransform { ll size = 1, size_x12, root; vector<ll> x1, x2, theta; void set(vector<ll> &v1, vector<ll> &v2) { size_x12 = v1.size() + v2.size() - 1; x1 = v1; x2 = v2; size = 1; while (size<=size_x12) size<<=1; root = modpow(3,MOD/size); x1.resize(size); x2.resize(size); theta.resize(size); rep(i,size) theta[i] = i==0 ? 1 : theta[i-1]*root % MOD; } vector<ll> convolution(vector<ll> &x, bool rev, ll s, ll pos=0) { if (s==1) return {x[pos]}; vector<ll> ex = convolution(x,rev,s/2,pos), ox = convolution(x,rev,s/2,pos+size/s); vector<ll> result(s); rep(i,s) result[i] = (ex[i%(s/2)] + theta[size/s*i] * ox[i%(s/2)]) % MOD; if (rev && s==size) { reverse(result.begin()+1, result.end()); ll invs = inv(size); for (auto &x: result) x = x * invs % MOD; } return result; }; vector<ll> mul(vector<ll> &v1, vector<ll> &v2) { set(v1,v2); vector<ll> cx1 = convolution(x1, false, size), cx2 = convolution(x2, false, size); vector<ll> cx12(size); rep(i,size) cx12[i] = cx1[i] * cx2[i] % MOD; vector<ll> x12 = convolution(cx12, true, size); vector<ll> result(size_x12); copy(x12.begin(), x12.begin()+size_x12, result.begin()); return result; } }; // ---------------------------------------------------------------------- // ---------------------------------------------------------------------- int main() { ll N, Q; cin >> N >> Q; ll a[N]; rep(i,N) cin >> a[i]; ll r[Q]; rep(i,Q) cin >> r[i]; vector<ll> cr(N); rep(i,Q) cr[(N-r[i])%N]++; vector<ll> aa(N*2); rep(i,N) { aa[i] = a[i]; aa[i+N] = a[i]; } FastNumberTheoreticTransform FNTT; vector<ll> result = FNTT.mul(aa,cr); // debug(all(result)); debug(result.begin()+N,result.begin()+N*2); return 0; }