結果
問題 | No.368 LCM of K-products |
ユーザー | kei |
提出日時 | 2018-11-12 23:40:52 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 332 ms / 2,000 ms |
コード長 | 2,522 bytes |
コンパイル時間 | 1,887 ms |
コンパイル使用メモリ | 187,336 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-22 14:57:39 |
合計ジャッジ時間 | 3,598 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 29 ms
6,812 KB |
testcase_01 | AC | 95 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,944 KB |
testcase_03 | AC | 31 ms
6,940 KB |
testcase_04 | AC | 10 ms
6,944 KB |
testcase_05 | AC | 332 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 22 ms
6,940 KB |
testcase_14 | AC | 34 ms
6,940 KB |
testcase_15 | AC | 37 ms
6,944 KB |
testcase_16 | AC | 31 ms
6,940 KB |
testcase_17 | AC | 28 ms
6,940 KB |
testcase_18 | AC | 39 ms
6,940 KB |
testcase_19 | AC | 11 ms
6,944 KB |
testcase_20 | AC | 28 ms
6,940 KB |
testcase_21 | AC | 9 ms
6,944 KB |
testcase_22 | AC | 37 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 1 ms
6,944 KB |
testcase_33 | AC | 15 ms
6,940 KB |
testcase_34 | AC | 3 ms
6,940 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int INF = 1e9; const ll LINF = 1e18; inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; } template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; } template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; } template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; } template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; } /* <url:https://yukicoder.me/problems/no/368> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ const ll MOD = 1e9+7; ll powmod(ll a,ll b) {ll res=1;a%=MOD;for(;b;b>>=1){if(b&1)res=res*a%MOD;a=a*a%MOD;}return res;} map<ll,vector<ll>> mp; void PrimeFact(ll n,map<ll,ll>& M){ while(n!=1){ if(n == 2 || n == 3){ M[n]++; n/=n; continue; } bool prime_flag = false; for(int i = 2;i*i <= n;i++){ if(n%i==0){ M[i]++; n/=i; prime_flag = true; break; } } if(!prime_flag){M[n]++; n/= n;} } } ll solve(){ ll res = 1; ll N,K; cin >> N >> K; for(int i = 0; i < N;i++){ ll A; cin >> A; map<ll,ll> M; PrimeFact(A, M); for(auto p:M){ mp[p.first].push_back(p.second); } } for(auto& p:mp){ sort(p.second.rbegin(),p.second.rend()); ll S = 0; for(int i = 0; i < min(K,(ll)p.second.size());i++) S += p.second[i]; for(int i = 0; i < S;i++) (res *= p.first)%=MOD; } return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }