結果

問題 No.1665 quotient replace
ユーザー hotman78hotman78
提出日時 2021-09-03 21:36:17
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 5,705 bytes
コンパイル時間 3,753 ms
コンパイル使用メモリ 236,792 KB
実行使用メモリ 97,568 KB
最終ジャッジ日時 2024-05-09 02:20:30
合計ジャッジ時間 19,657 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
(要ログイン)

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 205 ms
89,748 KB
testcase_01 AC 206 ms
89,748 KB
testcase_02 AC 205 ms
89,740 KB
testcase_03 AC 204 ms
89,752 KB
testcase_04 AC 203 ms
89,760 KB
testcase_05 AC 203 ms
89,744 KB
testcase_06 AC 208 ms
89,808 KB
testcase_07 AC 205 ms
89,756 KB
testcase_08 AC 204 ms
89,648 KB
testcase_09 AC 215 ms
89,860 KB
testcase_10 AC 324 ms
92,392 KB
testcase_11 AC 462 ms
95,804 KB
testcase_12 AC 236 ms
90,264 KB
testcase_13 AC 535 ms
97,436 KB
testcase_14 AC 538 ms
97,436 KB
testcase_15 AC 546 ms
97,568 KB
testcase_16 AC 548 ms
97,436 KB
testcase_17 AC 540 ms
97,516 KB
testcase_18 AC 202 ms
89,744 KB
testcase_19 AC 203 ms
89,744 KB
testcase_20 AC 203 ms
89,620 KB
testcase_21 AC 202 ms
89,680 KB
testcase_22 AC 204 ms
89,744 KB
testcase_23 AC 204 ms
89,620 KB
testcase_24 AC 204 ms
89,616 KB
testcase_25 AC 205 ms
89,740 KB
testcase_26 AC 204 ms
89,760 KB
testcase_27 AC 206 ms
89,796 KB
testcase_28 AC 211 ms
90,008 KB
testcase_29 AC 218 ms
90,284 KB
testcase_30 AC 280 ms
93,724 KB
testcase_31 AC 324 ms
95,832 KB
testcase_32 WA -
testcase_33 WA -
testcase_34 WA -
testcase_35 WA -
testcase_36 WA -
testcase_37 WA -
testcase_38 WA -
testcase_39 WA -
testcase_40 WA -
testcase_41 WA -
testcase_42 AC 205 ms
89,648 KB
testcase_43 AC 205 ms
89,748 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 #

#line 2 "cpplib/util/template.hpp"
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx2")
#include<bits/stdc++.h>
using namespace std;
struct __INIT__{__INIT__(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}}__INIT__;
typedef long long lint;
#define INF (1LL<<60)
#define IINF (1<<30)
#define EPS (1e-10)
#define endl ('\n')
typedef vector<lint> vec;
typedef vector<vector<lint>> mat;
typedef vector<vector<vector<lint>>> mat3;
typedef vector<string> svec;
typedef vector<vector<string>> smat;
template<typename T>using V=vector<T>;
template<typename T>using VV=V<V<T>>;
template<typename T>inline void output(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<<i;f=1;}cout<<endl;}
template<typename T>inline void output2(T t){for(auto i:t)output(i);}
template<typename T>inline void debug(T t){bool f=0;for(auto i:t){cerr<<(f?" ":"")<<i;f=1;}cerr<<endl;}
template<typename T>inline void debug2(T t){for(auto i:t)debug(i);}
#define loop(n) for(long long _=0;_<(long long)(n);++_)
#define _overload4(_1,_2,_3,_4,name,...) name
#define __rep(i,a) repi(i,0,a,1)
#define _rep(i,a,b) repi(i,a,b,1)
#define repi(i,a,b,c) for(long long i=(long long)(a);i<(long long)(b);i+=c)
#define rep(...) _overload4(__VA_ARGS__,repi,_rep,__rep)(__VA_ARGS__)
#define _overload3_rev(_1,_2,_3,name,...) name
#define _rep_rev(i,a) repi_rev(i,0,a)
#define repi_rev(i,a,b) for(long long i=(long long)(b)-1;i>=(long long)(a);--i)
#define rrep(...) _overload3_rev(__VA_ARGS__,repi_rev,_rep_rev)(__VA_ARGS__)

// #define rep(i,...) for(auto i:range(__VA_ARGS__)) 
// #define rrep(i,...) for(auto i:reversed(range(__VA_ARGS__)))
// #define repi(i,a,b) for(lint i=lint(a);i<(lint)(b);++i)
// #define rrepi(i,a,b) for(lint i=lint(b)-1;i>=lint(a);--i)
// #define irep(i) for(lint i=0;;++i)
// inline vector<long long> range(long long n){if(n<=0)return vector<long long>();vector<long long>v(n);iota(v.begin(),v.end(),0LL);return v;}
// inline vector<long long> range(long long a,long long b){if(b<=a)return vector<long long>();vector<long long>v(b-a);iota(v.begin(),v.end(),a);return v;}
// inline vector<long long> range(long long a,long long b,long long c){if((b-a+c-1)/c<=0)return vector<long long>();vector<long long>v((b-a+c-1)/c);for(int i=0;i<(int)v.size();++i)v[i]=i?v[i-1]+c:a;return v;}
// template<typename T>inline T reversed(T v){reverse(v.begin(),v.end());return v;}
#define all(n) begin(n),end(n)
template<typename T,typename E>bool chmin(T& s,const E& t){bool res=s>t;s=min<T>(s,t);return res;}
template<typename T,typename E>bool chmax(T& s,const E& t){bool res=s<t;s=max<T>(s,t);return res;}
const vector<lint> dx={1,0,-1,0,1,1,-1,-1};
const vector<lint> dy={0,1,0,-1,1,-1,1,-1};
#define SUM(v) accumulate(all(v),0LL)
#if __cplusplus>=201703L
    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...));}
#endif
#define extrep(v,...) for(auto v:__MAKE_MAT__({__VA_ARGS__}))
#define bit(n,a) ((n>>a)&1)
vector<vector<long long>> __MAKE_MAT__(vector<long long> v){if(v.empty())return vector<vector<long long>>(1,vector<long long>());long long n=v.back();v.pop_back();vector<vector<long long>> ret;vector<vector<long long>> tmp=__MAKE_MAT__(v);for(auto e:tmp)for(long long i=0;i<n;++i){ret.push_back(e);ret.back().push_back(i);}return ret;}
using graph=vector<vector<int>>;
template<typename T>using graph_w=vector<vector<pair<int,T>>>;
template<typename T,typename E>ostream& operator<<(ostream& out,pair<T,E>v){out<<"("<<v.first<<","<<v.second<<")";return out;}
#if __cplusplus>=201703L
    constexpr inline long long powll(long long a,long long b){long long res=1;while(b--)res*=a;return res;}
#endif

template<typename T,typename E>pair<T,E>& operator+=(pair<T,E>&s,const pair<T,E>&t){s.first+=t.first;s.second+=t.second;return s;}
template<typename T,typename E>pair<T,E>& operator-=(pair<T,E>&s,const pair<T,E>&t){s.first-=t.first;s.second-=t.second;return s;}
template<typename T,typename E>pair<T,E> operator+(const pair<T,E>&s,const pair<T,E>&t){auto res=s;return res+=t;}
template<typename T,typename E>pair<T,E> operator-(const pair<T,E>&s,const pair<T,E>&t){auto res=s;return res-=t;}
#define BEGIN_STACK_EXTEND(size) void * stack_extend_memory_ = malloc(size);void * stack_extend_origin_memory_;char * stack_extend_dummy_memory_ = (char*)alloca((1+(int)(((long long)stack_extend_memory_)&127))*16);*stack_extend_dummy_memory_ = 0;asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp":"=b"(stack_extend_origin_memory_):"a"((char*)stack_extend_memory_+(size)-1024));
#define END_STACK_EXTEND asm volatile("mov %%rax, %%rsp"::"a"(stack_extend_origin_memory_));free(stack_extend_memory_);
#line 3 "cpplib/math/osa_k.hpp"

/**
 * @brief osa_k法
 */

std::map<int,int> osa_k(int n){
    constexpr int mx=20'000'001;
    assert(n<mx);
    static bool init=false;
    static int v[mx];
    static vector<int>pr;
    if(!init){
        init=true;
        for(int i=2;i<mx;++i){
            if(v[i]==0){
                v[i]=i;
                pr.push_back(i);
            }
            for(int j=0;j<(int)pr.size() && pr[j]<=v[i] && i*pr[j]<mx;++j){
                v[i*pr[j]]=pr[j];
            }
        }
    }
    map<int,int>ret;
    while(n!=1){
        ret[v[n]]++;
        n/=v[n];
    }
    return ret;
}
#line 3 "main.cpp"

int main(){
    lint n;
    cin>>n;
    vec a(n);
    rep(i,n)cin>>a[i];
    int ans=0;
    rep(i,n){
        auto d=osa_k(a[i]);
        int tmp=0;
        for(auto [s,t]:d){
            chmax(tmp,t);
        }
        ans^=tmp;
    }
    if(ans)cout<<"white"<<endl;
    else cout<<"black"<<endl;
}
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