結果

問題 No.1665 quotient replace
ユーザー 👑 PCTprobabilityPCTprobability
提出日時 2021-09-03 22:44:22
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 307 ms / 3,000 ms
コード長 4,973 bytes
コンパイル時間 6,298 ms
コンパイル使用メモリ 301,424 KB
実行使用メモリ 11,224 KB
最終ジャッジ日時 2023-08-21 23:46:53
合計ジャッジ時間 17,171 ms
ジャッジサーバーID
(参考情報)
judge12 / judge13
このコードへのチャレンジ(β)

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 141 ms
11,096 KB
testcase_01 AC 142 ms
11,132 KB
testcase_02 AC 146 ms
11,004 KB
testcase_03 AC 151 ms
10,924 KB
testcase_04 AC 154 ms
11,068 KB
testcase_05 AC 146 ms
10,932 KB
testcase_06 AC 148 ms
11,216 KB
testcase_07 AC 156 ms
11,168 KB
testcase_08 AC 153 ms
11,004 KB
testcase_09 AC 157 ms
11,120 KB
testcase_10 AC 200 ms
11,120 KB
testcase_11 AC 252 ms
11,104 KB
testcase_12 AC 160 ms
11,048 KB
testcase_13 AC 307 ms
11,072 KB
testcase_14 AC 299 ms
11,052 KB
testcase_15 AC 300 ms
11,068 KB
testcase_16 AC 298 ms
11,088 KB
testcase_17 AC 295 ms
11,108 KB
testcase_18 AC 168 ms
11,040 KB
testcase_19 AC 161 ms
10,944 KB
testcase_20 AC 147 ms
11,120 KB
testcase_21 AC 149 ms
11,168 KB
testcase_22 AC 156 ms
11,224 KB
testcase_23 AC 147 ms
10,916 KB
testcase_24 AC 151 ms
11,116 KB
testcase_25 AC 144 ms
11,116 KB
testcase_26 AC 147 ms
11,108 KB
testcase_27 AC 148 ms
11,108 KB
testcase_28 AC 161 ms
10,928 KB
testcase_29 AC 154 ms
11,108 KB
testcase_30 AC 206 ms
11,168 KB
testcase_31 AC 243 ms
11,172 KB
testcase_32 AC 249 ms
11,072 KB
testcase_33 AC 180 ms
10,968 KB
testcase_34 AC 234 ms
11,180 KB
testcase_35 AC 217 ms
11,120 KB
testcase_36 AC 220 ms
10,984 KB
testcase_37 AC 212 ms
11,048 KB
testcase_38 AC 225 ms
11,000 KB
testcase_39 AC 198 ms
10,968 KB
testcase_40 AC 207 ms
10,936 KB
testcase_41 AC 195 ms
11,040 KB
testcase_42 AC 133 ms
11,152 KB
testcase_43 AC 141 ms
11,044 KB
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 #

#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#include <unistd.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#endif
using ll = long long;
using ld = long double;
using ull = unsigned long long;
#define endl "\n"
typedef pair<int, int> Pii;
#define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i))
#define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++)
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(x) begin(x), end(x)
#define all(s) (s).begin(),(s).end()
//#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
//#define rep(i, n) rep2(i, 0, n)
#define PB push_back 
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define rever(vec) reverse(vec.begin(), vec.end())
#define sor(vec) sort(vec.begin(), vec.end())
//#define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++)
#define fi first
#define se second
#define pb push_back
#define P pair<ll,ll>
#define NP next_permutation
//const ll mod = 1000000009;
ll mod = 998244353;
//const ll mod = 1000000007;
const ll inf = 4100000000000000000ll;
const ld eps = ld(0.00000000001);
//static const long double pi = 3.141592653589793;
template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];}
template<class T,class K>void vcin(vector<T> &n,vector<K> &m){for(int i=0;i<int(n.size());i++) cin>>n[i]>>m[i];}
template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;}
template<class T>void vcin(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cin>>n[i][j];}}}
template<class T>void vcout(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cout<<n[i][j]<<" ";}cout<<endl;}cout<<endl;}
void yes(bool a){cout<<(a?"yes":"no")<<endl;}
void YES(bool a){cout<<(a?"YES":"NO")<<endl;}
void Yes(bool a){cout<<(a?"Yes":"No")<<endl;}
void possible(bool a){ cout<<(a?"possible":"impossible")<<endl; }
void Possible(bool a){ cout<<(a?"Possible":"Impossible")<<endl; }
void POSSIBLE(bool a){ cout<<(a?"POSSIBLE":"IMPOSSIBLE")<<endl; }
template<class T>auto min(const T& a){ return *min_element(all(a)); }
template<class T>auto max(const T& a){ return *max_element(all(a)); }
template<class T,class F>void print(pair<T,F> a){cout<<a.fi<<" "<<a.se<<endl;}
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0;}
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0;}
template<class T> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
template<typename T,typename ...Args>auto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector<T>(arg,x);else return vector(arg,make_vector<T>(x,args...));}
ll fastgcd(ll u,ll v){ll shl=0;while(u&&v&&u!=v){bool eu=!(u&1);bool ev=!(v&1);if(eu&&ev){++shl;u>>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<<shl:u<<shl;}
ll modPow(ll a, ll n, ll mod) { if(mod==1) return 0;ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; }
vector<ll> divisor(ll x){ vector<ll> ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; }
ll pop(ll x){return __builtin_popcountll(x);}
ll poplong(ll x){ll y=-1;while(x){x/=2;y++;}return y;}
template<class T>
struct Sum{
  vector<T> data;
  Sum(const vector<T>& v):data(v.size()+1){
    for(ll i=0;i<v.size();i++) data[i+1]=data[i]+v[i];
  }
  T get(ll l,ll r) const {
    return data[r]-data[l];
  }
};
template<class T>
struct Sum2{
  vector<vector<T>> data;
  Sum2(const vector<vector<T>> &v):data(v.size()+1,vector<T>(v[0].size()+1)){
    for(int i=0;i<v.size();i++) for(int j=0;j<v[i].size();j++) data[i+1][j+1]=data[i][j+1]+v[i][j];
    for(int i=0;i<v.size();i++) for(int j=0;j<v[i].size();j++) data[i+1][j+1]+=data[i+1][j];
  }
  T get(ll x1,ll y1,ll x2,ll y2) const {
    return data[x2][y2]+data[x1][y1]-data[x1][y2]-data[x2][y1];
  }
};

void cincout(){
  ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
  cout<< fixed << setprecision(10);
}

int main() {
  cincout();
  ll a=1000000;
  vector<bool> prime(a+1,true);
  for(int i=2;i<=a;i++){
    if(!prime[i]) continue;
    for(int j=2*i;j<=a;j+=i) prime[j]=false;
  }
  vector<ll> n(a+1,0);
  for(int i=2;i<=a;i++){
    if(prime[i]==false) continue;
    for(int j=i;j<=a;j+=i){
      ll p=j;
      ll c=0;
      while(p%i==0){
        p/=i;
        n[j]++;
      }
    }
  }
  ll q;
  cin>>q;
  ll ok=0;
  while(q--){
    ll x;
    cin>>x;
    ok^=n[x];
  }
  if(ok==0){
    cout<<"black"<<endl;
  }
  else{
    cout<<"white"<<endl;
  }
}
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