結果
| 問題 |
No.1730 GCD on Blackboard in yukicoder
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-11-06 19:26:33 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,305 bytes |
| コンパイル時間 | 4,230 ms |
| コンパイル使用メモリ | 244,908 KB |
| 実行使用メモリ | 38,912 KB |
| 最終ジャッジ日時 | 2024-11-07 18:21:21 |
| 合計ジャッジ時間 | 11,057 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | -- * 2 |
| other | TLE * 1 -- * 23 |
コンパイルメッセージ
main.cpp: In member function 'std::vector<std::pair<long long int, long long int> > PrimeFact::get(ll)':
main.cpp:64:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
64 | for(auto [p,a]:m)res.push_back({p,a});
| ^
ソースコード
#include <atcoder/all>
using namespace atcoder;
#include <bits/stdc++.h>
#define all(a) (a.begin()),(a.end())
#define rall(a) (a.rbegin()),(a.rend())
using namespace std;
using ll=long long;
using ld=long double;
using pll=pair<ll,ll>;
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(b<a) {a=b; return 1;} return 0;}
template<class T1, class T2>istream& operator >> (istream& is, pair<T1,T2>& p) { is >> p.first >> p.second; return is; }
template<class T1, class T2>ostream& operator << (ostream& os, const pair<T1,T2>& p) { os << p.first << " " << p.second; return os;}
template<class T>istream& operator >> (istream& is, vector<T>& v) { for(T& x:v) is >> x; return is; }
template<class T>ostream& operator << (ostream& os, const vector<T>& v) {for(int i=0;i<v.size();i++) {os << v[i] << (i+1 == v.size() ? "":" ");} return os;}
//istream& operator >> (istream& is, modint1000000007& x) { unsigned int t; is >> t; x=t; return is; }
//istream& operator >> (istream& is, modint998244353& x) { unsigned int t; is >> t; x=t; return is; }
ostream& operator << (ostream& os, const modint1000000007& x) { os << x.val(); return os; }
ostream& operator << (ostream& os, const modint998244353& x) { os << x.val(); return os; }
template<class... A> void pt() { std::cout << "\n"; }
template<class... A> void pt_rest() { std::cout << "\n"; }
template<class T, class... A> void pt_rest(const T& first, const A&... rest) { std::cout << " " << first; pt_rest(rest...); }
template<class T, class... A> void pt(const T& first, const A&... rest) { std::cout << first; pt_rest(rest...); }
static const ll INF=1e18+7;
static const double PI=acos(-1);
static const double EPS=1e-10;
using v1d=vector<ll>;
using v2d=vector<v1d>;
using v3d=vector<v2d>;
using v4d=vector<v3d>;
using S=ll;
S op(S a,S b){
return max(a,b);
}
S e(){
return 0;
}
struct PrimeFact{
v1d spf;
PrimeFact(ll N){init(N);}
void init(ll N){//前処理.spfを求める
spf.assign(N+1,0);
for (ll i=0;i<= N;i++)spf[i]=i;
for (ll i=2;i*i<=N;i++){
if (spf[i]!=i)continue;
for (ll j=i+i;j<=N;j+=i){
spf[j]=i;
}
}
}
vector<pll>get(ll n){//nの素因数分解を求める
vector<pll>res;
map<ll,ll> m;
while (n!=1) {
m[spf[n]]++;
n/=spf[n];
}
for(auto [p,a]:m)res.push_back({p,a});
return res;
}
};
int main(void) {
cin.tie(nullptr);
ios::sync_with_stdio(false);
ll N;cin>>N;
v1d a(N);cin>>a;
ll MAX=1e6+7;
vector<pll>cnt(MAX);
for(ll i=0;i<MAX;i++)cnt[i]={0,i};
PrimeFact pf(MAX);
for(ll i=0;i<N;i++){
auto prim=pf.get(a[i]);
map<ll,ll>mem;
function<void(vector<pll>)>dfs=[&](vector<pll> v){
ll t=1;
for(ll i=0;i<v.size();i++)t*=pow(v[i].first,v[i].second);
if(mem.count(t))return;
cnt[t].first++;
for(ll i=0;i<v.size();i++){
v[i].second--;
if(v[i].second>=0)dfs(v);
v[i].second++;
}
mem[t]=1;
};
dfs(prim);
}
sort(all(cnt));
segtree<S,op,e>seg(MAX);
for(ll i=0;i<MAX;i++)seg.set(i,cnt[i].second);
for(ll k=0;k<N;k++){
ll p=lower_bound(all(cnt),make_pair(N-k,-INF))-cnt.begin();
pt(seg.prod(p,MAX));
}
}