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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#306718#7759. Permutation Counting 2sigma425Compile Error//C++205.9kb2024-01-17 03:18:282024-01-17 03:18:29

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  • [2024-01-17 03:18:29]
  • 评测
  • [2024-01-17 03:18:28]
  • 提交

answer

#line 1 "7759.cpp"
// #pragma GCC target("avx2,avx512f,avx512vl,avx512bw,avx512dq,avx512cd,avx512vbmi,avx512vbmi2,avx512vpopcntdq,avx512bitalg,bmi,bmi2,lzcnt,popcnt")
// #pragma GCC optimize("Ofast")

#line 2 "/mnt/c/Users/tsigm/Documents/Cprogram/library/template.hpp"

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using uint = unsigned int;
using ull = unsigned long long;
#define rep(i,n) for(int i=0;i<int(n);i++)
#define rep1(i,n) for(int i=1;i<=int(n);i++)
#define per(i,n) for(int i=int(n)-1;i>=0;i--)
#define per1(i,n) for(int i=int(n);i>0;i--)
#define all(c) c.begin(),c.end()
#define si(x) int(x.size())
#define pb push_back
#define eb emplace_back
#define fs first
#define sc second
template<class T> using V = vector<T>;
template<class T> using VV = vector<vector<T>>;
template<class T,class U> bool chmax(T& x, U y){
	if(x<y){ x=y; return true; }
	return false;
}
template<class T,class U> bool chmin(T& x, U y){
	if(y<x){ x=y; return true; }
	return false;
}
template<class T> void mkuni(V<T>& v){sort(all(v));v.erase(unique(all(v)),v.end());}
template<class T> int lwb(const V<T>& v, const T& a){return lower_bound(all(v),a) - v.begin();}
template<class T>
V<T> Vec(size_t a) {
    return V<T>(a);
}
template<class T, class... Ts>
auto Vec(size_t a, Ts... ts) {
  return V<decltype(Vec<T>(ts...))>(a, Vec<T>(ts...));
}
template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){
	return o<<"("<<p.fs<<","<<p.sc<<")";
}
template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){
	o<<"{";
	for(const T& v:vc) o<<v<<",";
	o<<"}";
	return o;
}
constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n-1); }

#ifdef LOCAL
#define show(x) cerr << "LINE" << __LINE__ << " : " << #x << " = " << (x) << endl
void dmpr(ostream& os){os<<endl;}
template<class T,class... Args>
void dmpr(ostream&os,const T&t,const Args&... args){
	os<<t<<" ~ ";
	dmpr(os,args...);
}
#define shows(...) cerr << "LINE" << __LINE__ << " : ";dmpr(cerr,##__VA_ARGS__)
#define dump(x) cerr << "LINE" << __LINE__ << " : " << #x << " = {";  \
	for(auto v: x) cerr << v << ","; cerr << "}" << endl;
#else
#define show(x) void(0)
#define dump(x) void(0)
#define shows(...) void(0)
#endif

template<class D> D divFloor(D a, D b){
	return a / b - (((a ^ b) < 0 && a % b != 0) ? 1 : 0);
}
template<class D> D divCeil(D a, D b) {
	return a / b + (((a ^ b) > 0 && a % b != 0) ? 1 : 0);
}

/*
x       0  1  2  3  4  5  6  7  8  9
bsr(x) -1  0  1  1  2  2  2  2  3  3
最上位bit
*/
int bsr(int x){
	return x == 0 ? -1 : 31 ^ __builtin_clz(x);
}
int bsr(uint x){
	return x == 0 ? -1 : 31 ^ __builtin_clz(x);
}
int bsr(ll x){
	return x == 0 ? -1 : 63 ^ __builtin_clzll(x);
}
int bsr(ull x){
	return x == 0 ? -1 : 63 ^ __builtin_clzll(x);
}

/*
x       0  1  2  3  4  5  6  7  8  9
bsl(x) -1  0  1  0  2  0  1  0  3  0
最下位bit
*/
int bsl(int x){
	if(x==0) return -1;
	return __builtin_ctz(x);
}
int bsl(uint x){
	if(x==0) return -1;
	return __builtin_ctz(x);
}
int bsl(ll x){
	if(x==0) return -1;
	return __builtin_ctzll(x);
}
int bsl(ull x){
	if(x==0) return -1;
	return __builtin_ctzll(x);
}


template<class T>
T rnd(T l,T r){	//[l,r)
	using D = uniform_int_distribution<T>;
	static random_device rd;
	static mt19937 gen(rd());
	return D(l,r-1)(gen);
}
template<class T>
T rnd(T n){	//[0,n)
	return rnd(T(0),n);
}
#line 5 "7759.cpp"
#include <atcoder/modint>
using namespace atcoder;
using mint = modint;

V<mint> fact,ifact,invs;
mint Choose(int a,int b){
	// a * .. * (a-b+1) / b!
	if(b<0) return 0;
	if(a-b+1 > 0) return fact[a] * ifact[b] * ifact[a-b];
	if(a < 0) return fact[-(a-b+1)] * ifact[b] * ifact[-a-1] * (b&1 ? -1 : 1);
	return 0;
}
void InitFact(int N){	//[0,N]
	N++;
	fact.resize(N);
	ifact.resize(N);
	invs.resize(N);
	fact[0] = 1;
	rep1(i,N-1) fact[i] = fact[i-1] * i;
	ifact[N-1] = fact[N-1].inv();
	for(int i=N-2;i>=0;i--) ifact[i] = ifact[i+1] * (i+1);
	rep1(i,N-1) invs[i] = fact[i-1] * ifact[i];
}

// https://qoj.ac/contest/1415/problem/7759


int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);		//DON'T USE scanf/printf/puts !!
	cout << fixed << setprecision(20);

	int N,mod; cin >> N >> mod;
	mint::set_mod(mod);
	// int N; cin >> N;
	InitFact(1000000);

	VV<mint> g(N+1,V<mint>(N+1));
	// rep1(b,N){
	// 	// V<mint> fb(N+1); rep1(i,N) fb[i] = Choose(b-1+i,i);
	// 	// g[a][b] = [x^N]fb^a
	// 	// {	// slow
	// 	// 	V<mint> dp = fb;
	// 	// 	rep1(a,N){
	// 	// 		g[a][b] = dp[N];
	// 	// 		per1(j,N) if(dp[j]){
	// 	// 			rep1(i,N-j) dp[j+i] += dp[j] * fb[i];
	// 	// 			dp[j] = 0;
	// 	// 		}
	// 	// 	}
	// 	// }
	// 	/*
	// 		fb = \sum_{i=1}^{inf} C(b-1+i,i)x^i
	// 		   = (1-x)^(-b) - 1
	// 	*/
	// 	rep1(a,N){
	// 		mint gab = 0;
	// 		rep(i,a+1){
	// 			// Choose(a,i) * (-1)^(a-i) Choose(-b*i,N) * (-1)^N
	// 			g[a][b] += Choose(a,i) * Choose(-b*i,N) * ((a-i+N)&1 ? -1 : 1);
	// 		}
	// 	}
	// }
	rep1(a,N) rep1(b,N){
		rep(i,a+1){
			mint tmp = Choose(a,i) * Choose(-b*i,N);
			if((a-i+N)&1) tmp = -tmp;
			g[a][b] += tmp;
		}
	}
	// g[a][b]: a block * b (possibly empty) block
	rep1(a,N){
		V<mint> f(N+1);
		rep1(k,N){
			rep1(i,k){
				mint tmp = g[a][i] * Choose(k,i);
				if((k-i)&1) f[k] -= tmp;
				else f[k] += tmp;
			}
		}
		g[a] = f;
	}
	// return 0;
	// rep1(i,N){
	// 	rep1(j,N) cout << g[i][j] << " ";
	// 	cout << endl;
	// }

	{
		VV<mint> f(N,V<mint>(N));
		rep(i,N) rep(j,N) f[i][j] = g[i+1][j+1];
		g = f;
	}
	rep(_,2){
		rep(a,N){
			V<mint> alpha(N);
			rep(i,N) alpha[i] = g[a][i] / Choose(N-1,i);
			V<mint> beta(N);
			rep(k,N){
				rep(i,k+1) beta[k] += alpha[i] * Choose(k,i) * ((k-i)&1 ? -1 : 1);
			}
			rep(b,N) g[a][b] = beta[b] * Choose(N-1,b);
		}
		rep(i,N) rep(j,i) swap(g[i][j],g[j][i]);
	}
	// return 0;
	rep(i,N){
		rep(j,N) cout << g[i][j].val() << " ";
		cout << endl;
	}

}

Details

7759.cpp:5:10: fatal error: atcoder/modint: No such file or directory
compilation terminated.