結果

問題 No.2954 Calculation of Exponentiation
ユーザー 👑 potato167
提出日時 2024-11-08 21:37:32
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 3 ms / 2,000 ms
コード長 2,909 bytes
コンパイル時間 2,255 ms
コンパイル使用メモリ 194,804 KB
最終ジャッジ日時 2025-02-25 02:37:18
ジャッジサーバーID
(参考情報)
judge3 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 28
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using ld=long double;
const ll ILL=2167167167167167167;
const int INF=2100000000;
#define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++)
#define all(p) p.begin(),p.end()
template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>;
template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;}
template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;}
template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());}
template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});}
bool yneos(bool a,bool upp=0){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;}
template<class T> void vec_out(vector<T> &p,int ty=0){
if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";}
else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}}
template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;}
template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;}
template<class T> T vec_sum(vector<T> &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;}
int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;}
void solve();
// CYAN / FREDERIC
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
// cin >> t;
rep(i, 0, t) solve();
}
void solve(){
string A, B;
cin >> A >> B;
if (A == "1.0000"){
cout << "Yes\n";
return;
}
if (B == "0.0000"){
cout << "Yes\n";
return;
}
auto f = [&](string s) -> ll {
ll res = 0;
for (auto c : s) if (c != '.' && c != '-'){
res *= 10;
res += c - '0';
}
return res;
};
ll a = f(A), b = f(B);
if (B[0] == '-'){
if (100000000ll % a){
cout << "No\n";
return;
}
a = 100000000 / a;
}
if (a % 10000){
cout << "No\n";
return;
}
auto g = [&](ll x, ll m) -> bool {
ll l = 1, r = (1ll << 30);
while (r - l > 1){
ll tmp = (l + r) / 2;
ll v = x;
rep(d, 0, m) v /= tmp;
if (v == 0) r = tmp;
else l = tmp;
}
rep(d, 0, m){
if (x % l) return false;
x /= l;
}
return x == 1;
};
for (int d = 30; d > 1; d--){
if (g(a / 10000, d)){
b *= d;
break;
}
}
yneos(b % 10000 == 0);
}
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