結果
問題 | No.1727 [Cherry 3rd Tune] Stray |
ユーザー | kiyoshi0205 |
提出日時 | 2021-10-29 23:20:00 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,808 bytes |
コンパイル時間 | 2,878 ms |
コンパイル使用メモリ | 193,132 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-07 12:58:42 |
合計ジャッジ時間 | 3,359 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
ソースコード
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; using datas=pair<ll,ll>; using ddatas=pair<long double,long double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define uniq(v) vsort(v),(v).erase(unique(all(v)),(v).end()) #define endl "\n" #define popcount __builtin_popcountll #define eb emplace_back #define print(x) cout<<x<<endl #define printyes print("Yes") #define printno print("No") #define printYES print("YES") #define printNO print("NO") #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) constexpr ll mod=1000000007; // constexpr ll mod=998244353; constexpr ll inf=1LL<<60; constexpr long double eps=1e-9; const long double PI=acosl(-1); template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";} template<class T> ostream& operator<<(ostream& os,const vector<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> ostream& operator<<(ostream& os,const set<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> ostream& operator<<(ostream& os,const multiset<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T,class E> ostream& operator<<(ostream& os,const map<T,E>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> inline bool chmax(T& a,const T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,const T b){bool x=a>b;if(x)a=b;return x;} #ifdef DEBUG void debugg(){cout<<endl;} template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);} #define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__) #else #define debug(...) (void(0)) #endif inline void startupcpp(void) noexcept{ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(15); } struct unionfind{ private: int maxN; vector<int> par,treesize; public:unionfind(int N) :maxN(N),par(N),treesize(N,1){ for(int i=0;i<maxN;++i)par[i]=i; } int root(int x){ while(par[x]!=x){ x=par[x]=par[par[x]]; } return x; } bool unite(int x,int y){ x=root(x); y=root(y); if(x==y)return false; if(treesize[x]>treesize[y])swap(x,y); par[x]=y; treesize[y]+=treesize[x]; return true; } bool unite(pair<int,int> v){ return unite(v.first,v.second); } bool parcheck(int x,int y){ return root(x)==root(y); } bool parcheck(pair<int,int> v){ return parcheck(v.first,v.second); } int size(int x){ return treesize[root(x)]; } void clear(){ treesize.assign(maxN,1); for(int i=0;i<maxN;++i)par[i]=i; } vector<vector<int>> groups(){ vector<vector<int>> res(maxN); for(int i=0;i<maxN;++i)res[root(i)].emplace_back(i); // return res; vector<vector<int>> res2; for(vector<int> x:res){ if(x.size())res2.emplace_back(x); } return res2; } }; vec diviserlist(ll N){ ll i; vec res; for(i=1;i*i<N;i++){ if(N%i==0){ res.eb(i);res.eb(N/i); } } if(i*i==N)res.eb(i); vsort(res); return res; } ll modpow(ll a,ll n,const ll m=mod){ if(n<0)return 0; ll res=1; while(n>0){ if(n&1)res=res*a%m; a=a*a%m; n>>=1; } return res; } int T,N,C; int main(){ startupcpp(); cin>>T; while(T--){ cin>>N>>C; ll i,j,ans=0; vec v=diviserlist(N); vec cnt(v.size()); rep(i,v.size())cnt[i]=N/v[i]; brep(i,v.size()){ For(j,i+1,v.size())if(v[i]%v[j]==0){ cnt[j]-=cnt[i]; } } rep(i,v.size()){ (ans+=modpow(C,N/v[i])*cnt[i])%=mod; } print(ans); } }