#442293 (C++14) No.747 循環小数N桁目 Hard

提出ソース

結果

問題	No.747 循環小数N桁目 Hard
ユーザー	wakannyaai
提出日時	2020-03-10 21:07:32
言語	C++14 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	29 ms / 2,000 ms
コード長	6,051 bytes
コンパイル時間	2,008 ms
コンパイル使用メモリ	184,704 KB
実行使用メモリ	35,712 KB
最終ジャッジ日時	2024-11-15 23:38:20
合計ジャッジ時間	8,040 ms
ジャッジサーバーID （参考情報）	judge3 / judge2

このコードへのチャレンジ
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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	25 ms 35,328 KB
testcase_01	AC	25 ms 35,328 KB
testcase_02	AC	26 ms 35,328 KB
testcase_03	AC	25 ms 35,328 KB
testcase_04	AC	25 ms 35,456 KB
testcase_05	AC	25 ms 35,328 KB
testcase_06	AC	25 ms 35,200 KB
testcase_07	AC	25 ms 35,328 KB
testcase_08	AC	26 ms 35,328 KB
testcase_09	AC	25 ms 35,328 KB
testcase_10	AC	26 ms 35,456 KB
testcase_11	AC	25 ms 35,328 KB
testcase_12	AC	25 ms 35,328 KB
testcase_13	AC	25 ms 35,328 KB
testcase_14	AC	25 ms 35,328 KB
testcase_15	AC	25 ms 35,328 KB
testcase_16	AC	26 ms 35,328 KB
testcase_17	AC	25 ms 35,328 KB
testcase_18	AC	26 ms 35,328 KB
testcase_19	AC	25 ms 35,456 KB
testcase_20	AC	25 ms 35,328 KB
testcase_21	AC	25 ms 35,328 KB
testcase_22	AC	25 ms 35,456 KB
testcase_23	AC	25 ms 35,328 KB
testcase_24	AC	26 ms 35,328 KB
testcase_25	AC	25 ms 35,200 KB
testcase_26	AC	25 ms 35,328 KB
testcase_27	AC	26 ms 35,328 KB
testcase_28	AC	25 ms 35,328 KB
testcase_29	AC	25 ms 35,328 KB
testcase_30	AC	25 ms 35,456 KB
testcase_31	AC	25 ms 35,200 KB
testcase_32	AC	25 ms 35,328 KB
testcase_33	AC	27 ms 35,584 KB
testcase_34	AC	26 ms 35,456 KB
testcase_35	AC	26 ms 35,456 KB
testcase_36	AC	26 ms 35,456 KB
testcase_37	AC	25 ms 35,456 KB
testcase_38	AC	27 ms 35,456 KB
testcase_39	AC	26 ms 35,456 KB
testcase_40	AC	27 ms 35,456 KB
testcase_41	AC	27 ms 35,456 KB
testcase_42	AC	27 ms 35,328 KB
testcase_43	AC	26 ms 35,456 KB
testcase_44	AC	26 ms 35,328 KB
testcase_45	AC	27 ms 35,584 KB
testcase_46	AC	26 ms 35,456 KB
testcase_47	AC	26 ms 35,456 KB
testcase_48	AC	26 ms 35,456 KB
testcase_49	AC	26 ms 35,328 KB
testcase_50	AC	26 ms 35,328 KB
testcase_51	AC	27 ms 35,328 KB
testcase_52	AC	26 ms 35,456 KB
testcase_53	AC	29 ms 35,712 KB
testcase_54	AC	27 ms 35,584 KB
testcase_55	AC	28 ms 35,712 KB
testcase_56	AC	27 ms 35,456 KB
testcase_57	AC	26 ms 35,328 KB
testcase_58	AC	29 ms 35,712 KB
testcase_59	AC	27 ms 35,328 KB
testcase_60	AC	28 ms 35,456 KB
testcase_61	AC	28 ms 35,584 KB
testcase_62	AC	28 ms 35,456 KB
testcase_63	AC	27 ms 35,584 KB
testcase_64	AC	27 ms 35,328 KB
testcase_65	AC	26 ms 35,328 KB
testcase_66	AC	26 ms 35,456 KB
testcase_67	AC	26 ms 35,328 KB
testcase_68	AC	27 ms 35,456 KB
testcase_69	AC	27 ms 35,328 KB
testcase_70	AC	27 ms 35,328 KB
testcase_71	AC	26 ms 35,456 KB
testcase_72	AC	27 ms 35,456 KB
testcase_73	AC	27 ms 35,584 KB
testcase_74	AC	27 ms 35,456 KB
testcase_75	AC	27 ms 35,456 KB
testcase_76	AC	27 ms 35,456 KB
testcase_77	AC	27 ms 35,328 KB
testcase_78	AC	27 ms 35,328 KB
testcase_79	AC	27 ms 35,456 KB
testcase_80	AC	27 ms 35,456 KB
testcase_81	AC	25 ms 35,456 KB
testcase_82	AC	26 ms 35,328 KB
testcase_83	AC	26 ms 35,328 KB
testcase_84	AC	28 ms 35,584 KB
testcase_85	AC	27 ms 35,584 KB
testcase_86	AC	27 ms 35,328 KB
testcase_87	AC	28 ms 35,456 KB
testcase_88	AC	27 ms 35,328 KB
testcase_89	AC	25 ms 35,328 KB
testcase_90	AC	26 ms 35,328 KB
testcase_91	AC	25 ms 35,456 KB
testcase_92	AC	26 ms 35,328 KB
testcase_93	AC	26 ms 35,456 KB
testcase_94	AC	26 ms 35,456 KB
testcase_95	AC	27 ms 35,456 KB
testcase_96	AC	27 ms 35,584 KB
testcase_97	AC	27 ms 35,456 KB
testcase_98	AC	29 ms 35,584 KB
testcase_99	AC	27 ms 35,584 KB
testcase_100	AC	28 ms 35,456 KB
testcase_101	AC	26 ms 35,456 KB
testcase_102	AC	27 ms 35,328 KB
testcase_103	AC	27 ms 35,456 KB
testcase_104	AC	27 ms 35,456 KB
testcase_105	AC	26 ms 35,584 KB
testcase_106	AC	27 ms 35,456 KB
testcase_107	AC	27 ms 35,584 KB
testcase_108	AC	27 ms 35,456 KB
testcase_109	AC	27 ms 35,584 KB
testcase_110	AC	28 ms 35,456 KB
testcase_111	AC	27 ms 35,584 KB
testcase_112	AC	27 ms 35,456 KB
testcase_113	AC	27 ms 35,584 KB
testcase_114	AC	27 ms 35,456 KB
testcase_115	AC	27 ms 35,456 KB
testcase_116	AC	27 ms 35,584 KB
testcase_117	AC	27 ms 35,584 KB
testcase_118	AC	26 ms 35,584 KB
testcase_119	AC	27 ms 35,456 KB
testcase_120	AC	27 ms 35,584 KB
testcase_121	AC	27 ms 35,584 KB
testcase_122	AC	27 ms 35,456 KB
testcase_123	AC	27 ms 35,584 KB

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ソースコード

raw source code

#include "bits/stdc++.h"
#include <random>
#include <algorithm>
#include <unordered_set>
#define rep(i,n) for(int i = 0; i < n; i++)
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
#define vll vector<vector<long long>>
#define vl vector<long long>
#define vi vector<int>
#define vii vector<vector<int>>
#define pb push_back
#define pf push_front
#define ld long double
#define Sort(a) sort(a.begin(),a.end())
#define cSort(a,cmp) sort(a.begin(),a.end(),cmp)
#define reSort(a) sort(a.rbegin(), a.rend())
static const ll llMAX = numeric_limits<long long>::max();
static const int intMAX = numeric_limits<int>::max();
static const ll  llMIN = numeric_limits<long long>::min();
static const int intMIN = numeric_limits<int>::min();
static const ll d_5 = 100000;
static const ll d9_7 = 1000000007;
static const ll d_9 = 1000000000;
static const double PI=3.14159265358979323846;

template<class T>
void Printvector(std::vector<T> a){
  int size = a.size();
  rep(i,size){
    cout<<a[i]<<" ";
  }
  cout<<endl;
}
template<class T>
void Printvector(std::vector<std::vector<T>> a){
  int size = a.size();
  rep(i,size){
    int size2=a[i].size();
    rep(j,size2){
      cout<<a[i][j]<<" ";
    }
    cout<<endl;
  }
  cout<<endl;
}
template<class T>
vector<T> getaccum(vector<T> a){
  int size=a.size();
  vector<T> ans(size);
  ans[0]=a[0];
  for(int i=0;i<size-1;i++){
    ans[i+1]=ans[i]+a[i+1];
    //ans[i+1]%=d9_7;
  }
  return ans;
}
template<class T>
vector<vector<T>> getaccum2D(vector<vector<T>> a){
  int sizey=a.size();
  int sizex=a[0].size();
  vector<vector<T>> ans(sizey,vector<T>(sizex,0));
  //ans=a;
  ans[0][0]=a[0][0];
  for(int i=1;i<sizex;i++){
    ans[0][i]=ans[0][i-1]+a[0][i];
  }
  for(int i=1;i<sizex;i++){
    ans[i][0]=ans[i-1][0]+a[i][0];
  }
  for (int i = 0; i < sizey-1; i++)
        for (int j = 0; j < sizex-1; j++)
            ans[i+1][j+1] = ans[i][j+1] + ans[i+1][j] - ans[i][j] + a[i+1][j+1];
  return ans;
}
ll getaccumnum(vector<ll> accum,int l,int r){//閉区間[l,r]の総和
  if(l==0){
    return accum[r];
  }else{
    return accum[r]-accum[l-1];
  }
}
template<class T>
T getaccumnum2D(vector<vector<T>>& accum,int x1,int y1,int x2,int y2){//2の方が右下、閉区間
  
  T ans=accum[y2][x2];
  if(x1==0 && y1==0){
    ;
  }else if(x1>0 && y1==0){
    ans-=accum[y2][x1-1];
  }else if(x1==0 && y1>0){
    ans-=accum[y1-1][x2];
  }else{
    ans-=accum[y1-1][x2];
    ans-=accum[y2][x1-1];
    ans+=accum[y1-1][x1-1];
  }
  return ans;
}
ll digitpower(ll a,ll b){//aのb乗を計算
  if(b==1){
    return a;
  }else if(b==0){
    return 1;
  }
  int mode=0;
  if(b%2==1){
    ll tmp = digitpower(a,(b-1)/2);
    if(mode==1){
      tmp%=d9_7;
    }
    tmp*=tmp;
    if(mode==1){
      tmp%=d9_7;
    }
    tmp*=a;
    if(mode==1){
      return tmp%d9_7;
    }else{
      return tmp;
    }
  }else{
    ll tmp = digitpower(a,(b)/2);
    if(mode==1){
      tmp%=d9_7;
    }
    tmp*=tmp;
    if(mode==1){
      tmp%=d9_7;
    }
    if(mode==1){
      return tmp%d9_7;
    }else{
      return tmp;
    }
  }
}

vl facs(2000010,-1);
ll Factrial(ll num){
  if(facs[num]!=-1){
    return facs[num];
  }
  if(num==1||num<=0){
    return 1;
  }else if(num<0){
    printf("ERROR_minus\n");
    return 0;
  }else{
    facs[num]=(num*Factrial(num-1))%d9_7;
    return facs[num];
  }
}
long long modinv(long long a, long long m) {//modの逆元

    long long b = m, u = 1, v = 0;
    while (b) {
        long long t = a / b;
        a -= t * b; swap(a, b);
        u -= t * v; swap(u, v);
    }
    u %= m; 
    if (u < 0) u += m;
    return u;
}

vl invs(2000010,-1);
ll linercomb(ll n,ll k, ll mod){//n,kの線形時間で求める
if(n<k)return 0;
if(n<0)return 0;
if(k==0 || k==n)return 1;
  ll ans=Factrial(n);
  if(invs[k]==-1){
    invs[k]=modinv(Factrial(k),mod);
  }
  ans*=invs[k];
  ans%=d9_7;
  ll k1=Factrial(n-k);
  k1%=mod;
  ans*=modinv(k1,mod);
  ans%=mod;
  return ans;
}
unordered_map<ll,ll> prime_factor(int64_t n) {
  unordered_map<ll,ll> ret;
  for(int64_t i = 2; i * i <= n; i++) {
    while(n % i == 0) {
      ret[i]++;
      n /= i;
    }
  }
  if(n != 1) ret[n] = 1;
  return ret;
}



struct datas{
  ll p;
  ll q;
};/*
bool cmp(const datas &a, const datas &b)
{
    return a.num < b.num;
}*/
template<class T>
T gcd(T a,T b){
  if(a==0){
    return b;

  }else if(b==0){
    return a;
  }
  while(1) {
    if(a < b) swap(a, b);
    if(!b) break;
    a %= b;
  }
  return a;
}
int LCS(string s,string t) {
  int n=s.size();
  int m=t.size();
  vector<vector<int>> dp=vector<vector<int>>(n+1,vector<int>(m+1,0));
    for (int i=0; i<n; ++i) {
        for (int j=0; j<m; ++j) {
            if (s[i] == t[j]) {
                dp[i+1][j+1] = dp[i][j] + 1;
            }
            else {
                dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j]);
            }
        }
    }
    return dp[n][m];
}
//素数列挙
#define P 100000
vl primes;
vl primenum(P+1);
vector<bool> bprime(P+200);
ll searchprime(ll max){//発見した素因数の個数を返す
//max+=180;
  bprime[1]=false;
 // cout<<"rrr"<<endl;;
  //cout<<max<<" "<<bprime.size()<<endl;
  for(ll i=2;i<=max;i++){
    bprime[i]=true;
  }
 //// cout<<"r";
  ll nowprimes=1;
  primes.pb(2);
  for(ll i=4;i<max;i+=2){
    bprime[i]=false;
  }
  //  cout<<"e";

  for(ll i=3;i<=max;i+=2){
    if(bprime[i]==true){
      //primes[nowprimes]=i;
      primes.pb(i);
      nowprimes++;
      for(ll j=2;i*j<=max;j++){
        bprime[i*j]=false;
      }
    }
  }
  return nowprimes;
}

int main(void){
  string n,k;
  cin>>n>>k;
  vector<int> ntos={2,8,5,7,1,4};
  int nsize=n.size();
  int ksize=k.size();
  int ans=0;
  rep(i,nsize){
    ans+=n[i]-'0';
    ans%=6;
    ans*=10;
  }
  ans/=10;
  int tmpk=k[ksize-1]%2;
  if(tmpk==0){
    tmpk=2;
  }
  ll ans2=digitpower((ll)ans,(ll)tmpk);
  ans2%=6;
  ans2+=5;
  ans2%=6;
  cout<<ntos[ans2]<<endl;
  return 0;
}

//<<std::setprecision(30)

//重複削除
 /* std::sort(vec.begin(), vec.end());
  vec.erase(std::unique(vec.begin(), vec.end()), vec.end());*/

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結果

テストケース

ソースコード