結果
| 問題 | No.3441 Sort Permutation 2 |
| コンテスト | |
| ユーザー |
Taiki0715
|
| 提出日時 | 2026-02-18 23:09:39 |
| 言語 | C++23 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 59 ms / 2,000 ms |
| コード長 | 6,722 bytes |
| 記録 | |
| コンパイル時間 | 3,340 ms |
| コンパイル使用メモリ | 350,408 KB |
| 実行使用メモリ | 16,628 KB |
| 最終ジャッジ日時 | 2026-02-18 23:09:49 |
| 合計ジャッジ時間 | 9,235 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 41 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using ull=unsigned long long;
using P=pair<ll,ll>;
template<typename T>using minque=priority_queue<T,vector<T>,greater<T>>;
template<typename T>bool chmax(T &a,const T &b){return (a<b?(a=b,true):false);}
template<typename T>bool chmin(T &a,const T &b){return (a>b?(a=b,true):false);}
template<typename T1,typename T2>istream &operator>>(istream &is,pair<T1,T2>&p){is>>p.first>>p.second;return is;}
template<typename T1,typename T2,typename T3>istream &operator>>(istream &is,tuple<T1,T2,T3>&a){is>>std::get<0>(a)>>std::get<1>(a)>>std::get<2>(a);return is;}
template<typename T,size_t n>istream &operator>>(istream &is,array<T,n>&a){for(auto&i:a)is>>i;return is;}
template<typename T>istream &operator>>(istream &is,vector<T> &a){for(auto &i:a)is>>i;return is;}
template<typename T1,typename T2>void operator++(pair<T1,T2>&a,int n){a.first++,a.second++;}
template<typename T1,typename T2>void operator--(pair<T1,T2>&a,int n){a.first--,a.second--;}
template<typename T>void operator++(vector<T>&a,int n){for(auto &i:a)i++;}
template<typename T>void operator--(vector<T>&a,int n){for(auto &i:a)i--;}
#define overload3(_1,_2,_3,name,...) name
#define rep1(i,n) for(int i=0;i<(int)(n);i++)
#define rep2(i,l,r) for(int i=(int)(l);i<(int)(r);i++)
#define rep(...) overload3(__VA_ARGS__,rep2,rep1)(__VA_ARGS__)
#define reps(i,l,r) rep2(i,l,r)
#define all(x) x.begin(),x.end()
#define pcnt(x) __builtin_popcountll(x)
#define fin(x) return cout<<(x)<<'\n',static_cast<void>(0)
#define yn(x) cout<<((x)?"Yes\n":"No\n")
#define uniq(x) sort(all(x)),x.erase(unique(all(x)),x.end())
template<typename T>
inline int fkey(vector<T>&z,T key){return lower_bound(z.begin(),z.end(),key)-z.begin();}
ll myceil(ll a,ll b){return (a+b-1)/b;}
template<typename T,size_t n,size_t id=0>
auto vec(const int (&d)[n],const T &init=T()){
if constexpr (id<n)return vector(d[id],vec<T,n,id+1>(d,init));
else return init;
}
#ifdef LOCAL
#include<debug.h>
#define SWITCH(a,b) (a)
#else
#define debug(...) static_cast<void>(0)
#define debugg(...) static_cast<void>(0)
#define SWITCH(a,b) (b)
template<typename T1,typename T2>ostream &operator<<(ostream &os,const pair<T1,T2>&p){os<<p.first<<' '<<p.second;return os;}
#endif
struct Timer{
clock_t start;
Timer(){
start=clock();
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout<<fixed<<setprecision(16);
}
inline double now(){return (double)(clock()-start)/1000;}
#ifdef LOCAL
~Timer(){
cerr<<"time:";
cerr<<now();
cerr<<"ms\n";
}
#endif
}timer;
void SOLVE();
int main(){
int testcase=1;
//cin>>testcase;
for(int i=0;i<testcase;i++){
SOLVE();
}
}
struct UnionFind{
private:
std::vector<int>par;
int cs;
public:
UnionFind(int n):par(n,-1),cs(n){}
UnionFind(){}
int root(int u){
if(par[u]<0)return u;
return par[u]=root(par[u]);
}
bool merge(int u,int v){
int ru=root(u),rv=root(v);
if(ru==rv)return false;
if(par[ru]<par[rv])std::swap(ru,rv);
par[rv]+=par[ru];
par[ru]=rv;
cs--;
return true;
}
bool same(int u,int v){return root(u)==root(v);}
int size(int u=-1){return u==-1?cs:-par[root(u)];}
void reset(int n){
cs=n;
std::fill(par.begin(),par.begin()+n,-1);
}
std::vector<std::vector<int>>get_all(){
std::vector<std::vector<int>>res(par.size());
for(int i=0;i<(int)par.size();i++)res[root(i)].push_back(i);
int p=0;
for(int i=0;i<(int)res.size();i++){
if(!res[i].empty()){
if(i==p)p++;
else res[p++]=std::move(res[i]);
}
}
res.resize(p);
return res;
}
};
std::vector<int>prime_sieve(int n){
if(n<=6){
if(n<=1)return std::vector<int>{};
else if(n==2)return std::vector<int>{2};
else if(n<=4)return std::vector<int>{2,3};
else return std::vector<int>{2,3,5};
}
static constexpr int mod30table[8]={1,7,11,13,17,19,23,29};
static constexpr uint8_t k_mask[][8] = {
{0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f},
{0xfd, 0xdf, 0xef, 0xfe, 0x7f, 0xf7, 0xfb, 0xbf},
{0xfb, 0xef, 0xfe, 0xbf, 0xfd, 0x7f, 0xf7, 0xdf},
{0xf7, 0xfe, 0xbf, 0xdf, 0xfb, 0xfd, 0x7f, 0xef},
{0xef, 0x7f, 0xfd, 0xfb, 0xdf, 0xbf, 0xfe, 0xf7},
{0xdf, 0xf7, 0x7f, 0xfd, 0xbf, 0xfe, 0xef, 0xfb},
{0xbf, 0xfb, 0xf7, 0x7f, 0xfe, 0xef, 0xdf, 0xfd},
{0x7f, 0xbf, 0xdf, 0xef, 0xf7, 0xfb, 0xfd, 0xfe},
};
static constexpr int c0[][8] = {
{0, 0, 0, 0, 0, 0, 0, 1}, {1, 1, 1, 0, 1, 1, 1, 1},
{2, 2, 0, 2, 0, 2, 2, 1}, {3, 1, 1, 2, 1, 1, 3, 1},
{3, 3, 1, 2, 1, 3, 3, 1}, {4, 2, 2, 2, 2, 2, 4, 1},
{5, 3, 1, 4, 1, 3, 5, 1}, {6, 4, 2, 4, 2, 4, 6, 1},
};
static constexpr int c1[8]={6,4,2,4,2,4,6,2};
n++;
int sz=(n+29)/30;
std::vector<uint8_t>p(sz,0xff);
{
int r=n%30;
if(r==0);
else if(r==1)p.back()=0x00;
else if(r<=7)p.back()=0x01;
else if(r<=11)p.back()=0x03;
else if(r<=13)p.back()=0x07;
else if(r<=17)p.back()=0x0f;
else if(r<=19)p.back()=0x1f;
else if(r<=23)p.back()=0x3f;
else if(r<=29)p.back()=0x7f;
}
p[0]=0xfe;
int sq=std::min(sz-1,((int)std::sqrt(n)+29)/30);
for(int i=0;i<=sq;i++){
for(uint8_t f=p[i];f>0;f=f&(f-1)){
uint8_t l=__builtin_ctz(f);
int m=mod30table[l];
int pm=i*30+m*2;
for(int j=i*pm+m*m/30,k=l;j<(int)p.size();j+=i*c1[k]+c0[l][k],k=(k+1)&7){
p[j]&=k_mask[l][k];
}
}
}
std::vector<int>res{2,3,5};
for(int i=0;i<(int)p.size()-1;i++){
for(int j=p[i];j>0;j=j&(j-1))res.push_back(i*30+mod30table[__builtin_ctz(j)]);
}
for(int j=p.back();j>0;j=j&(j-1)){
int l=__builtin_ctz(j);
int k=(p.size()-1)*30+mod30table[l];
if(k<n)res.push_back(k);
else break;
}
return res;
}
template<typename T>
void divisor_zeta(std::vector<T>&a){
int n=a.size()-1;
std::vector<int>p=prime_sieve(n);
for(int i:p)for(int j=1;j<=n/i;j++)a[i*j]+=a[j];
}
template<typename T>
void divisor_mobius(std::vector<T>&a){
int n=a.size()-1;
std::vector<int>p=prime_sieve(n);
for(int i:p)for(int j=n/i;j>=1;j--)a[i*j]-=a[j];
}
template<typename T>
void multiplier_zeta(std::vector<T>&a){
int n=a.size()-1;
std::vector<int>p=prime_sieve(n);
for(int i:p)for(int j=n/i;j>=1;j--)a[j]+=a[i*j];
}
template<typename T>
void multiplier_mobius(std::vector<T>&a){
int n=a.size()-1;
std::vector<int>p=prime_sieve(n);
for(int i:p)for(int j=1;j<=n/i;j++)a[j]-=a[i*j];
}
void SOLVE(){
int n;
cin>>n;
vector<int>a(n);
cin>>a;
a--;
UnionFind uf(n);
rep(i,n)uf.merge(i,a[i]);
vector<int>ans(n+1);
for(auto g:uf.get_all()){
int x=0;
rep(i,g.size()-1)x=gcd(x,abs(g[i]-g[i+1]));
ans[x]+=g.size()-1;
}
multiplier_zeta(ans);
rep(i,1,n)cout<<ans[i]<<'\n';
}
Taiki0715