結果
| 問題 |
No.2682 Visible Divisible
|
| コンテスト | |
| ユーザー |
Taiki0715
|
| 提出日時 | 2024-03-20 21:26:22 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 72 ms / 2,000 ms |
| コード長 | 4,837 bytes |
| コンパイル時間 | 4,879 ms |
| コンパイル使用メモリ | 324,416 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-09-30 07:13:42 |
| 合計ジャッジ時間 | 6,591 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 14 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
template<int mod>istream &operator>>(istream &is,static_modint<mod> &a){long long b;is>>b;a=b;return is;}
istream &operator>>(istream &is,modint &a){long long b;cin>>b;a=b;return is;}
#endif
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) static_cast<void>(0)
#define debugg(...) static_cast<void>(0)
template<typename T1,typename T2>ostream &operator<<(ostream &os,const pair<T1,T2>&p){os<<p.first<<' '<<p.second;return os;}
#endif
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 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 reps(i,a,n) for(int i=(a);i<(n);i++)
#define rep(i,n) reps(i,0,n)
#define all(x) x.begin(),x.end()
#define pcnt(x) __builtin_popcountll(x)
#define fin(x) return cout<<x<<'\n',static_cast<void>(0)
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;
}
void SOLVE();
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout<<fixed<<setprecision(16);
#ifdef LOCAL
clock_t start=clock();
#endif
int testcase=1;
//cin>>testcase;
for(int i=0;i<testcase;i++){
SOLVE();
}
#ifdef LOCAL
cerr<<"time:";
cerr<<(clock()-start)/1000;
cerr<<"ms\n";
#endif
}
bool isprime(ull n)noexcept{
if(n<=1)return false;
if(n%2==0)return n==2;
ull d=n-1;
int s=0;
while(!(d&1))d>>=1,s++;
int q=63;
while(!(d>>q))q--;
ull r=n;
for(int i=0;i<5;i++)r*=2-r*n;
assert(r*n==1);
auto redc=[&r,&n](__uint128_t x)->ull {
x=(x+__uint128_t(ull(x)*-r)*n)>>64;
return x>=n?x-n:x;
};
__uint128_t r2=-__uint128_t(n)%n;
ull one=redc(r2);
for(ull base:{2,325,9375,28178,450775,9780504,1795265022}){
if(base%n==0)continue;
ull a=base=redc((base%n)*r2);
for(int i=q-1;i>=0;i--){
a=redc(__uint128_t(a)*a);
if(d>>i&1)a=redc(__uint128_t(a)*base);
}
if(a==one)continue;
for(int i=1;a!=n-one;i++){
if(i>=s)return false;
a=redc(__uint128_t(a)*a);
}
}
return true;
}
vector<ull>factorize(ull n)noexcept{
vector<ull>ret;
auto div=[](ull x)noexcept->ull {
ull r=x;
for(int i=0;i<5;i++)r*=2-r*x;
ull r2=-__uint128_t(x)%x;
auto redc=[&r,&x](__uint128_t t)->ull {
t=(t+__uint128_t(ull(t)*-r)*x)>>64;
return t>=x?t-x:t;
};
ull a=0,b=0;
const ull one=redc(r2);
ull e=one;
ull m=1ll<<((63-__builtin_clzll(x))>>3);
while(true){
ull ca=a,cb=b;
ull sk=one;
rep(i,m){
a=redc(__uint128_t(a)*a+e);
b=redc(__uint128_t(b)*b+e);
b=redc(__uint128_t(b)*b+e);
ull c=redc(a),d=redc(b);
sk=redc(__uint128_t(sk)*(c>d?c-d:d-c));
}
ull g=gcd(redc(sk),x);
if(g>1){
if(g<x)return g;
rep(i,m){
ca=redc(__uint128_t(ca)*ca+e);
cb=redc(__uint128_t(cb)*cb+e);
cb=redc(__uint128_t(cb)*cb+e);
ull c=redc(ca),d=redc(cb);
ull cg=gcd(c>d?c-d:d-c,x);
if(cg>1){
if(cg<x)return cg;
else{
e+=one;
a=b=0;
break;
}
}
}
}
}
};
stack<ull>st;
while(!(n&1)){
n>>=1;
ret.push_back(2);
}
if(n==1)return ret;
st.push(n);
while(!st.empty()){
ull now=st.top();
st.pop();
if(isprime(now)){
ret.push_back(now);
continue;
}
ull d=div(now);
st.push(d);
now/=d;
if(now!=1)st.push(now);
}
return ret;
}
void SOLVE(){
int n;
ll k;
cin>>n>>k;
auto f=factorize(k);
unordered_map<ll,int>kf;
for(auto i:f)kf[i]++;
unordered_map<ll,int>cnt;
rep(i,n){
ll a;
cin>>a;
unordered_map<ll,int>now;
for(auto [key,val]:kf){
while(a%key==0){
a/=key;
now[key]++;
}
}
for(auto [key,val]:now)chmax(cnt[key],val);
}
for(auto [key,val]:kf)if(cnt[key]<val)fin("No");
cout<<"Yes"<<endl;
}
Taiki0715