結果
| 問題 |
No.3081 Make Palindromic Multiple
|
| コンテスト | |
| ユーザー |
👑 potato167
|
| 提出日時 | 2025-03-29 02:23:32 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 12 ms / 1,000 ms |
| コード長 | 3,258 bytes |
| コンパイル時間 | 2,253 ms |
| コンパイル使用メモリ | 198,256 KB |
| 実行使用メモリ | 7,324 KB |
| 最終ジャッジ日時 | 2025-03-29 02:23:38 |
| 合計ジャッジ時間 | 5,214 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 54 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
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> int LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> int 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(b<a){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=false){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;}
template<class T> T square(T a){return a * a;}
// return val=p(N)
// a=p[0].first^p[0].second * ... *p[N-1].first^p[N-1].second
// for all i: p[i].first is prime number
// O(sqrt(val))
std::vector<std::pair<long long,long long>> Prime_factorization(long long val){
assert(val>=1);
if(val==1){
return {};
}
int ind=0;
std::vector<std::pair<long long,long long>> ans;
for(long long i=2;i*i<=val;i++){
if(val%i!=0) continue;
ans.push_back({i,0});
while(val%i==0){
ans[ind].second++;
val/=i;
}
ind++;
}
if(val!=1) ans.push_back({val,1});
return ans;
}
void solve();
// CITRUS CURIO CITY / FREDERIC
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
// cin >> t;
rep(i, 0, t) solve();
}
string tmp2 = "677726115990100000000000000000000000000000000000000000000000000000001099511627776";
string tmp5 = "52604613476359000000000000000000000000000000000000000000000000000000000000000000095367431640625";
void solve(){
ll N;
cin >> N;
ll M = N;
while (M % 5 == 0) M /= 5;
while (M % 2 == 0) M /= 2;
string base1 = tmp2;
if (N % 5 == 0) base1 = tmp5;
auto P = Prime_factorization(M);
if (M == N){
ll ans = M;
for (auto [a, b] : P) ans /= a, ans *= (a - 1);
cout << "1\n";
cout << "9 " << ans << "\n";
return;
}
ll ans = M;
ll rem = 1;
rep(i, 0, base1.size()){
rem = rem * 10ll % M;
}
for (auto [a, b] : P){
if (rem % a != 1) ans /= a, ans *= (a - 1);
}
cout << "1\n";
cout << base1 << " " << ans << "\n";
}
potato167