結果
| 問題 |
No.847 Divisors of Power
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-07-06 09:54:31 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
CE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 3,655 bytes |
| コンパイル時間 | 1,202 ms |
| コンパイル使用メモリ | 157,952 KB |
| 最終ジャッジ日時 | 2024-11-14 21:29:54 |
| 合計ジャッジ時間 | 1,738 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
main.cpp:23:25: error: ‘make_v’ function uses ‘auto’ type specifier without trailing return type
23 | template<typename... T> auto make_v(size_t N,T... t){return vector<decltype(make_v(t...))>(N,make_v(t...));}
| ^~~~
main.cpp:23:25: note: deduced return type only available with ‘-std=c++14’ or ‘-std=gnu++14’
ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define REP(i,n) for(long long i = 0; i < (n); i++)
#define FOR(i, m, n) for(long long i = (m);i < (n); ++i)
#define ALL(obj) (obj).begin(),(obj).end()
#define SPEED cin.tie(0);ios::sync_with_stdio(false);
template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;
template<class T> using PQ = priority_queue<T>;
template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>;
constexpr ll MOD = (ll)1e9 + 7;
constexpr ll MOD2 = 998244353;
constexpr ll HIGHINF = (ll)1e18;
constexpr ll LOWINF = (ll)1e15;
constexpr long double PI = 3.1415926535897932384626433;
template<typename T> vector<T> make_v(size_t N,T init){return vector<T>(N,init);}
template<typename... T> auto make_v(size_t N,T... t){return vector<decltype(make_v(t...))>(N,make_v(t...));}
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}}
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;}
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;}
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;}
template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
void print(void) {cout << endl;}
template <class Head> void print(Head&& head) {cout << head;print();}
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);}
template <class T> void chmax(T& a, const T b){a=max<T>(a,b);}
template <class T> void chmin(T& a, const T b){a=min<T>(a,b);}
void YN(bool flg) {cout << ((flg) ? "YES" : "NO") << endl;}
void Yn(bool flg) {cout << ((flg) ? "Yes" : "No") << endl;}
void yn(bool flg) {cout << ((flg) ? "yes" : "no") << endl;}
//Prime Factorization O(sqrt(N))
vector<long long> Prime_Factorization(long long N) {
vector<long long> ret;
if (N == 1) ret.push_back(1);
for (long long i = 2,M = N; i*i <= M; ++i) {
if (N%i == 0) ret.push_back(i);
while (N%i == 0) N /= i;
}
if (N != 1) ret.push_back(N);
return ret;
}
ll ans = 0;
void dfs(V<V<ll>>& val,int i,ll mul, const ll M){
if(i == val.size()) {
ans++;
return;
}
for(int j = 0; j < val[i].size(); ++j){
if(mul*val[i][j]<= M) dfs(val,i+1,mul*val[i][j],M);
else break;
}
}
int main() {
ll N,K,M; cin >> N >> K >> M;
corner(N==1,1);
auto p = Prime_Factorization(N);
V<V<ll>> val(p.size(),V<ll>(1,1));
for(int i = 0; i < p.size(); ++i){
ll e = p[i];
ll cnt = 0;
while(N%e==0){
N /= e;
cnt++;
}
cnt *= K;
for(int j = 1; j <= cnt; ++j){
ll tmp = val[i][j-1]*e;
if(tmp<=M) val[i].push_back(tmp);
else break;
}
}
dfs(val,0,1,M);
cout << ans << endl;
return 0;
}