結果
| 問題 | No.695 square1001 and Permutation 4 |
| コンテスト | |
| ユーザー |
ふっぴー
|
| 提出日時 | 2018-06-09 15:15:26 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,702 bytes |
| 記録 | |
| コンパイル時間 | 2,753 ms |
| コンパイル使用メモリ | 187,436 KB |
| 実行使用メモリ | 46,592 KB |
| 最終ジャッジ日時 | 2024-07-22 19:30:38 |
| 合計ジャッジ時間 | 19,874 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 1 |
| other | AC * 2 WA * 10 |
ソースコード
#include "bits/stdc++.h"
using namespace std;
#define DEBUG(x) cout<<#x<<": "<<x<<endl;
#define DEBUG_VEC(v) cout<<#v<<":";for(int i=0;i<v.size();i++) cout<<" "<<v[i]; cout<<endl
typedef long long ll;
#define vi vector<int>
#define vl vector<ll>
#define vii vector< vector<int> >
#define vll vector< vector<ll> >
#define vs vector<string>
#define pii pair<int,int>
#define pis pair<int,string>
#define psi pair<string,int>
#define pll pair<ll,ll>
template<class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); }
template<class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); }
template<class S, class T> ostream& operator<<(ostream& os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; }
#define fi first
#define se second
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define rep1(i,n) for(ll i=1;i<=(ll)(n);i++)
#define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--)
#define rrep1(i,n) for(ll i=(ll)(n);i>0;i--)
#define REP(i,a,b) for(ll i=(ll)a;i<(ll)b;i++)
#define in(x, a, b) (a <= x && x < b)
#define all(v) v.begin(),v.end()
#define UNIQUE(v) v.erase(unique(all(v)), v.end())
template<class T> bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T> bool chmin(T &a, const T &b) { if (a>b) { a = b; return 1; } return 0; }
const ll inf = 1000000001;
const ll INF = 2e18;
const ll MOD = 1000000007;
const double pi = 3.14159265358979323846;
#define Sp(p) cout<<setprecision(15)<< fixed<<p<<endl;
int dx[4] = { 1,0, -1,0 }, dy[4] = { 0,1,0,-1 };
int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };
#define fio() cin.tie(0); ios::sync_with_stdio(false);
ll ext_gcd(ll p, ll q, ll& x, ll& y) { // get px+qy=gcd(p,q)
if (q == 0) return x = 1, y = 0, p;
ll g = ext_gcd(q, p%q, y, x);
y -= p / q * x;
return g;
}
ll inv(ll p, ll q) { // return (1/p)%q ( p,q is co-prime)
ll xx, yy, g = ext_gcd(p, q, xx, yy);
if (xx<0) xx += q, yy -= p;
return xx;
}
ll CRT_garner(vector<pair<ll, ll> > V, ll mo = 1000000007) {
const int prime_max = 40000;
static int NP, prime[10000], divp[prime_max + 3];
int i, j, k, l, r, x, y; string s;
int N = V.size();
set<ll> P;
vector<int> num;
if (NP == 0) {
for (int i = 2; i<prime_max; i++) if (divp[i] == 0) {
prime[NP++] = i;
for (int j = i * i; j>i&&j<prime_max; j += i) divp[j] = i;
}
}
rep(i, N) {
ll v = V[i].second;
rep(j, NP) if (v%prime[j] == 0) {
P.insert(prime[j]);
while (v%prime[j] == 0) v /= prime[j];
}
if (v>1) P.insert(v);
}
num = vector<int>(N, 0);
for (auto itr = P.begin(); itr != P.end(); itr++) {
ll r = *itr;
y = 0;
rep(x, N) {
num[x] = 1;
j = V[x].second;
while (j%r == 0) j /= r, num[x] *= r;
if (num[y]<num[x]) y = x;
}
rep(x, N) if (x != y) {
if (V[x].first%num[x] != V[y].first%num[x]) return -1;
V[x].second /= num[x];
V[x].first %= V[x].second;
}
}
vector<pair<ll, ll> > V2;
rep(x, N) if (V[x].second>1) V2.emplace_back(V[x].second, V[x].first);
sort(V2.begin(), V2.end());
V = V2;
N = V.size();
// garner
rep(y, N) rep(x, y) {
ll k = V[y].second - V[x].second;
if (k<0) k += V[y].first;
V[y].second = k * inv(V[x].first, V[y].first) % V[y].first;
}
ll ret = 0;
for (x = N - 1; x >= 0; x--) ret = (ret*V[x].first + V[x].second) % mo;
return ret;
}
int main() {
int n, m;
cin >> n >> m;
vi x(m);
rep(i, m) {
cin >> x[i];
}
const int N = 11000000;
vi dp(N);
vl mods = { 17 * 9920467,592951213 };
vl ans(mods.size());
rep(i, mods.size()) {
fill(all(dp), 0);
dp[0] = 1;
rep(j, N) {
rep(k, m) {
if (j + x[k] < N) {
(dp[j + x[k]] += dp[j]) %= mods[i];
}
}
}
if (n <= N) {
ans[i] = dp[n - 1];
}
else {
rep(j, 5) {
rep(k, N) {
if (k + x[j] < N) {
continue;
}
if (k + x[j] >= n) {
break;
}
(ans[i] += dp[k] * dp[n - (k + 1) - x[j]] % mods[i]) %= mods[i];
}
}
}
}
/*
rep(i, mods.size() - 1) {
DEBUG(i);
DEBUG(ans[i]); DEBUG(ans[i + 1]);
ll x, y;
extgcd(mods[i], mods[i + 1], x, y);
ll temp = ans[i] * mods[i + 1] % (mods[i] * mods[i + 1]) * y % (mods[i] * mods[i + 1]);
temp = (temp + ans[i + 1] * mods[i] % (mods[i] * mods[i + 1]) * x % (mods[i] * mods[i + 1])) % (mods[i] * mods[i + 1]);
ans[i + 1] = temp;
mods[i + 1] = mods[i] * mods[i + 1];
while (ans[i + 1] < 0) {
ans[i + 1] += mods[i + 1];
}
DEBUG(ans[i + 1]);
}
cout << ans[1] << endl;
//*/
vector<pll> V(2);
rep(i, 2) {
V[i].first = ans[i];
V[i].second = mods[i];
}
cout << CRT_garner(V) << endl;
}
ふっぴー