結果
問題 | No.575 n! / m / m / m... |
ユーザー | 小指が強い人 |
提出日時 | 2017-10-22 10:34:28 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,988 bytes |
コンパイル時間 | 2,190 ms |
コンパイル使用メモリ | 177,540 KB |
実行使用メモリ | 9,056 KB |
最終ジャッジ日時 | 2024-11-21 13:40:21 |
合計ジャッジ時間 | 3,607 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 4 ms
8,576 KB |
testcase_01 | AC | 4 ms
8,448 KB |
testcase_02 | AC | 4 ms
8,576 KB |
testcase_03 | AC | 4 ms
8,576 KB |
testcase_04 | AC | 4 ms
8,576 KB |
testcase_05 | AC | 3 ms
8,448 KB |
testcase_06 | AC | 2 ms
8,576 KB |
testcase_07 | AC | 4 ms
8,576 KB |
testcase_08 | AC | 4 ms
8,704 KB |
testcase_09 | AC | 4 ms
8,692 KB |
testcase_10 | AC | 4 ms
8,576 KB |
testcase_11 | AC | 5 ms
8,448 KB |
testcase_12 | AC | 4 ms
8,496 KB |
testcase_13 | AC | 3 ms
8,576 KB |
testcase_14 | AC | 3 ms
8,704 KB |
testcase_15 | AC | 4 ms
8,576 KB |
testcase_16 | AC | 4 ms
8,436 KB |
testcase_17 | AC | 4 ms
8,576 KB |
testcase_18 | AC | 4 ms
8,576 KB |
testcase_19 | AC | 5 ms
8,576 KB |
testcase_20 | AC | 4 ms
8,628 KB |
testcase_21 | AC | 3 ms
8,576 KB |
testcase_22 | WA | - |
testcase_23 | AC | 10 ms
8,832 KB |
testcase_24 | WA | - |
testcase_25 | AC | 10 ms
9,056 KB |
ソースコード
#include "bits/stdc++.h" #include <gmp.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> veci; typedef vector<ll> vecll; typedef vector<string> vecs; template<class T,class U> using Hash=unordered_map<T,U>; #define REP(i, a, n) for(ll i = a; i < (ll)n; i++) #define RREP(i, a, n) for(ll i = n-1; i >= (ll)a; i--) #define rep(i, n) REP(i, 0, n) #define rrep(i, n) RREP(i, 0, n) #define MD 1000000007 template<class T> T read(){T a;cin >> a;return a;} template<class T> void read(T& a){cin >> a;} template<class T, class ...Args> void read(T& a, Args&... args){cin >> a; read(args...);} template<class T> void rarr(T a, int n){for(int i = 0; i < n; i++) {cin >> a[i];}} template<char c = ' ',class T> void write(T a){cout << setprecision(15) << a << endl;} template<char c = ' ',class T,class ...Args> void write(T a, Args... args){cout << setprecision(15) << a << c; write<c>(args...);} template<class T> void warr(vector<T> a, const char* c = " "){cout << a[0];for(int i = 1; i < (int)a.size(); i++)cout << c << a[i];cout << endl;} template<class T> void warr(T a, int n, const char* c = " "){cout << a[0];for(int i = 1; i < n; i++)cout << c << a[i];cout << endl;} void split(string s, string delim, veci& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(atoi(s.substr(pos).data()));break;}else {result.push_back(atoi(s.substr(pos, p - pos).data()));}pos = p + delim.size();}} void split(string s, string delim, vecs& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(s.substr(pos));break;}else {result.push_back(s.substr(pos, p - pos));}pos = p + delim.size();}} inline ll gcd(ll a, ll b){while(true) {ll k = a % b;if(k == 0)return b;a = b;b = k;}} inline ll lcm(ll a, ll b){return a*b/gcd(a,b);} ll comb(ll n, ll m){ll p=1;m=min(m,n-m);for(ll i=1;i<=m;i++){p*=n-i+1;p/=i;}return p;} int prime(veci& v, int n) { bool p[5000001] = {1, 1}; for(int i = 2; i <= n; i++) { if(p[i]) continue; v.push_back(i); for(int j = i * 2; j <= n; j += i) p[j] = true; } return v.size(); } int main(void) { ll n,m; read(n,m); ll mp=1e9; ll sm=sqrt(m); veci pm; prime(pm,sm); vector<ll> pf; ll tm=m; for(auto it:pm){ if(m%it!=0)continue; while(tm%it==0)tm/=it; pf.push_back(it); } if(tm!=1)pf.push_back(tm); for(auto it:pf){ ll tn=n; ll tm=m; int ct=0; ll t_mp=0; while(tn>0)t_mp+=tn/it,tn/=it; while(tm%it==0)tm/=it,ct++; mp=min(mp,t_mp/ct); } long double p=log10l(sqrt(2.0*M_PI*n)); p+=n*log10l(n/exp(1.0)); p+=log10l(1.0+1.0/(12.0*n)); p-=mp*log10l(m); cout<<powl(10.0,p-(ll)p); cout<<"e"; cout<<(ll)p<<endl; return 0; }