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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#306717 | #7759. Permutation Counting 2 | sigma425 | 75 | 59ms | 15024kb | C++20 | 7.9kb | 2024-01-17 02:58:33 | 2024-01-17 02:58:34 |
Judging History
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"
unsigned int mod = 1;
struct ModInt{
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
uint v;
ModInt():v(0){}
ModInt(ll _v):v(normS(_v%mod+mod)){}
explicit operator bool() const {return v!=0;}
static uint normS(const uint &x){return (x<mod)?x:x-mod;} // [0 , 2*mod-1] -> [0 , mod-1]
static ModInt make(const uint &x){ModInt m; m.v=x; return m;}
ModInt operator+(const ModInt& b) const { return make(normS(v+b.v));}
ModInt operator-(const ModInt& b) const { return make(normS(v+mod-b.v));}
ModInt operator-() const { return make(normS(mod-v)); }
ModInt operator*(const ModInt& b) const { return make((ull)v*b.v%mod);}
ModInt operator/(const ModInt& b) const { return *this*b.inv();}
ModInt& operator+=(const ModInt& b){ return *this=*this+b;}
ModInt& operator-=(const ModInt& b){ return *this=*this-b;}
ModInt& operator*=(const ModInt& b){ return *this=*this*b;}
ModInt& operator/=(const ModInt& b){ return *this=*this/b;}
ModInt& operator++(int){ return *this=*this+1;}
ModInt& operator--(int){ return *this=*this-1;}
template<class T> friend ModInt operator+(T a, const ModInt& b){ return (ModInt(a) += b);}
template<class T> friend ModInt operator-(T a, const ModInt& b){ return (ModInt(a) -= b);}
template<class T> friend ModInt operator*(T a, const ModInt& b){ return (ModInt(a) *= b);}
template<class T> friend ModInt operator/(T a, const ModInt& b){ return (ModInt(a) /= b);}
ModInt pow(ll p) const {
if(p<0) return inv().pow(-p);
ModInt a = 1;
ModInt x = *this;
while(p){
if(p&1) a *= x;
x *= x;
p >>= 1;
}
return a;
}
ModInt inv() const { // should be prime
return pow(mod-2);
}
// ll extgcd(ll a,ll b,ll &x,ll &y) const{
// ll p[]={a,1,0},q[]={b,0,1};
// while(*q){
// ll t=*p/ *q;
// rep(i,3) swap(p[i]-=t*q[i],q[i]);
// }
// if(p[0]<0) rep(i,3) p[i]=-p[i];
// x=p[1],y=p[2];
// return p[0];
// }
// ModInt inv() const {
// ll x,y;
// extgcd(v,mod,x,y);
// return make(normS(x+mod));
// }
bool operator==(const ModInt& b) const { return v==b.v;}
bool operator!=(const ModInt& b) const { return v!=b.v;}
bool operator<(const ModInt& b) const { return v<b.v;}
friend istream& operator>>(istream &o,ModInt& x){
ll tmp;
o>>tmp;
x=ModInt(tmp);
return o;
}
friend ostream& operator<<(ostream &o,const ModInt& x){ return o<<x.v;}
};
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; cin >> N >> 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){
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);
}
}
}
// g[a][b]: a block * b (possibly empty) block
rep1(a,N){
V<mint> f(N+1);
rep1(k,N){
rep1(i,k) f[k] += g[a][i] * Choose(k,i) * ((k-i)&1 ? -1 : 1);
}
g[a] = f;
}
// 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]);
}
rep(i,N){
rep(j,N) cout << g[i][j] << " ";
cout << endl;
}
}
詳細信息
Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 17ms
memory: 14812kb
input:
7 1001458121
output:
1 0 0 0 0 0 0 0 56 56 8 0 0 0 0 56 659 440 36 0 0 0 8 440 1520 440 8 0 0 0 36 440 659 56 0 0 0 0 8 56 56 0 0 0 0 0 0 0 1
result:
ok 49 tokens
Test #2:
score: 0
Accepted
time: 20ms
memory: 14692kb
input:
8 1008735209
output:
1 0 0 0 0 0 0 0 0 84 126 36 1 0 0 0 0 126 1773 1980 405 9 0 0 0 36 1980 8436 4761 405 1 0 0 1 405 4761 8436 1980 36 0 0 0 9 405 1980 1773 126 0 0 0 0 1 36 126 84 0 0 0 0 0 0 0 0 1
result:
ok 64 tokens
Subtask #2:
score: 15
Accepted
Test #3:
score: 15
Accepted
time: 14ms
memory: 14732kb
input:
14 1000253273
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 455 3003 6435 5005 1365 105 1 0 0 0 0 0 0 0 3003 112905 730665 1629435 1456560 529956 71940 2835 15 0 0 0 0 0 6435 730665 10865585 46433475 75169560 50184540 13633740 1349931 36735 120 0 0 0 0 5005 1629435 46433475 336576825 860578230 885230850 375891370 62035485 33...
result:
ok 196 tokens
Test #4:
score: 0
Accepted
time: 16ms
memory: 14668kb
input:
15 1009800301
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 560 4368 11440 11440 4368 560 16 0 0 0 0 0 0 0 0 4368 188682 1482416 4160120 4899264 2511376 536384 41328 800 1 0 0 0 0 0 11440 1482416 26232784 139089120 291102560 265085216 106311200 17712368 1048560 15232 16 0 0 0 0 11440 4160120 139089120 216926039 947184153 3...
result:
ok 225 tokens
Test #5:
score: 0
Accepted
time: 17ms
memory: 14776kb
input:
16 1006729121
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 680 6188 19448 24310 12376 2380 136 1 0 0 0 0 0 0 0 0 6188 305150 2867696 9916066 14924539 10288876 3196000 410329 17748 153 0 0 0 0 0 0 19448 2867696 59852036 387206263 15304436 216863763 683915984 173666645 18275272 650641 4828 1 0 0 0 0 24310 9916066 38720626...
result:
ok 256 tokens
Subtask #3:
score: 25
Accepted
Test #6:
score: 25
Accepted
time: 22ms
memory: 14692kb
input:
36 1003299797
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7770 435897 10295472 124403620 854992152 552567909 334501587 855871755 616535351 836177106 87288018 849183199 348330136 38608020 2324784 66045 666 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 435897 133844910 939232742 752696285 94...
result:
ok 1296 tokens
Test #7:
score: 0
Accepted
time: 23ms
memory: 14716kb
input:
37 1009736899
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8436 501942 12620256 163011640 193585389 366265801 325233075 508510208 4472335 508510208 325233075 366265801 193585389 163011640 12620256 501942 8436 38 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 501942 164674938 380061172 7953...
result:
ok 1369 tokens
Test #8:
score: 0
Accepted
time: 18ms
memory: 14812kb
input:
38 1002064493
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9139 575757 15380937 211915132 673991551 105909500 89228335 917893160 782878886 231145424 634874749 53537001 904603957 635745396 61523748 3262623 82251 741 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 575757 201514950 2661126...
result:
ok 1444 tokens
Test #9:
score: 0
Accepted
time: 19ms
memory: 14740kb
input:
39 1000696681
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9880 658008 18643560 273438880 310408078 24862708 197477816 671070872 191143189 191143189 671070872 197477816 24862708 310408078 273438880 18643560 658008 9880 40 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 658008 24533645...
result:
ok 1521 tokens
Test #10:
score: 0
Accepted
time: 19ms
memory: 14752kb
input:
40 1002813283
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10660 749398 22481940 350343565 151022119 572250549 255038067 159674717 979042431 374977376 547170717 790491840 141687815 878961939 118286125 95548245 4496388 101270 820 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7493...
result:
ok 1600 tokens
Subtask #4:
score: 25
Accepted
Test #11:
score: 25
Accepted
time: 52ms
memory: 14804kb
input:
96 1005401729
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 147440 64446024 781420036 468430311 27733626 62151757 454795566 711626792 885805006 401110492 711423106 3...
result:
ok 9216 tokens
Test #12:
score: 0
Accepted
time: 49ms
memory: 15024kb
input:
97 1003022927
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 152096 67910864 795115101 924546504 230011659 577127906 564913191 11843263 171607987 697964156 4314087 ...
result:
ok 9409 tokens
Test #13:
score: 0
Accepted
time: 59ms
memory: 14956kb
input:
98 1000259233
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 156849 71523144 883402282 582472554 858367843 730708960 476781508 806308877 286962083 221796390 32768...
result:
ok 9604 tokens
Test #14:
score: 0
Accepted
time: 55ms
memory: 15000kb
input:
99 1000444889
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 161700 75287520 442576 386074411 823487426 504618380 971268883 734797176 388493421 848753352 857480...
result:
ok 9801 tokens
Test #15:
score: 0
Accepted
time: 56ms
memory: 14960kb
input:
100 1008746839
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 166650 79208745 50916937 213745970 953400361 882774939 595265332 362179793 339853992 820776686 20...
result:
ok 10000 tokens
Subtask #5:
score: 0
Time Limit Exceeded
Test #16:
score: 0
Time Limit Exceeded
input:
496 1005266363