結果
問題 | No.1200 お菓子配り-3 |
ユーザー | maroon_kuri |
提出日時 | 2020-08-28 21:43:07 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 540 ms / 4,000 ms |
コード長 | 7,219 bytes |
コンパイル時間 | 3,037 ms |
コンパイル使用メモリ | 222,492 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-20 22:24:52 |
合計ジャッジ時間 | 6,023 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 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 4 ms
5,248 KB |
testcase_09 | AC | 3 ms
5,248 KB |
testcase_10 | AC | 3 ms
5,248 KB |
testcase_11 | AC | 4 ms
5,248 KB |
testcase_12 | AC | 14 ms
5,248 KB |
testcase_13 | AC | 15 ms
5,248 KB |
testcase_14 | AC | 14 ms
5,248 KB |
testcase_15 | AC | 15 ms
5,248 KB |
testcase_16 | AC | 15 ms
5,248 KB |
testcase_17 | AC | 47 ms
5,248 KB |
testcase_18 | AC | 69 ms
5,248 KB |
testcase_19 | AC | 18 ms
5,248 KB |
testcase_20 | AC | 128 ms
5,248 KB |
testcase_21 | AC | 129 ms
5,248 KB |
testcase_22 | AC | 152 ms
5,248 KB |
testcase_23 | AC | 128 ms
5,248 KB |
testcase_24 | AC | 126 ms
5,248 KB |
testcase_25 | AC | 129 ms
5,248 KB |
testcase_26 | AC | 130 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 540 ms
5,248 KB |
testcase_29 | AC | 162 ms
5,248 KB |
testcase_30 | AC | 160 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 KB |
コンパイルメッセージ
main.cpp: In function 'll primitive_root(ll)': main.cpp:335:1: warning: control reaches end of non-void function [-Wreturn-type] 335 | } | ^
ソースコード
#include <bits/stdc++.h> using namespace std; using ll=long long; #define int ll #define rng(i,a,b) for(int i=int(a);i<int(b);i++) #define rep(i,b) rng(i,0,b) #define gnr(i,a,b) for(int i=int(b)-1;i>=int(a);i--) #define per(i,b) gnr(i,0,b) #define pb push_back #define eb emplace_back #define a first #define b second #define bg begin() #define ed end() #define all(x) x.bg,x.ed #define si(x) int(x.size()) #ifdef LOCAL #define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl #else #define dmp(x) void(0) #endif template<class t,class u> void chmax(t&a,u b){if(a<b)a=b;} template<class t,class u> void chmin(t&a,u b){if(b<a)a=b;} template<class t> using vc=vector<t>; template<class t> using vvc=vc<vc<t>>; using pi=pair<int,int>; using vi=vc<int>; template<class t,class u> ostream& operator<<(ostream& os,const pair<t,u>& p){ return os<<"{"<<p.a<<","<<p.b<<"}"; } template<class t> ostream& operator<<(ostream& os,const vc<t>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } #define mp make_pair #define mt make_tuple #define one(x) memset(x,-1,sizeof(x)) #define zero(x) memset(x,0,sizeof(x)) #ifdef LOCAL void dmpr(ostream&os){os<<endl;} template<class T,class... Args> void dmpr(ostream&os,const T&t,const Args&... args){ os<<t<<" "; dmpr(os,args...); } #define dmp2(...) dmpr(cerr,__LINE__,##__VA_ARGS__) #else #define dmp2(...) void(0) #endif using uint=unsigned; using ull=unsigned long long; template<class t,size_t n> ostream& operator<<(ostream&os,const array<t,n>&a){ return os<<vc<t>(all(a)); } template<int i,class T> void print_tuple(ostream&,const T&){ } template<int i,class T,class H,class ...Args> void print_tuple(ostream&os,const T&t){ if(i)os<<","; os<<get<i>(t); print_tuple<i+1,T,Args...>(os,t); } template<class ...Args> ostream& operator<<(ostream&os,const tuple<Args...>&t){ os<<"{"; print_tuple<0,tuple<Args...>,Args...>(os,t); return os<<"}"; } template<class t> void print(t x,int suc=1){ cout<<x; if(suc==1) cout<<"\n"; if(suc==2) cout<<" "; } ll read(){ ll i; cin>>i; return i; } vi readvi(int n,int off=0){ vi v(n); rep(i,n)v[i]=read()+off; return v; } pi readpi(int off=0){ int a,b;cin>>a>>b; return pi(a+off,b+off); } template<class T> void print(const vector<T>&v,int suc=1){ rep(i,v.size()) print(v[i],i==int(v.size())-1?suc:2); } string readString(){ string s; cin>>s; return s; } template<class T> T sq(const T& t){ return t*t; } //#define CAPITAL void yes(bool ex=true){ #ifdef CAPITAL cout<<"YES"<<"\n"; #else cout<<"Yes"<<"\n"; #endif if(ex)exit(0); #ifdef LOCAL cout.flush(); #endif } void no(bool ex=true){ #ifdef CAPITAL cout<<"NO"<<"\n"; #else cout<<"No"<<"\n"; #endif if(ex)exit(0); #ifdef LOCAL cout.flush(); #endif } void possible(bool ex=true){ #ifdef CAPITAL cout<<"POSSIBLE"<<"\n"; #else cout<<"Possible"<<"\n"; #endif if(ex)exit(0); #ifdef LOCAL cout.flush(); #endif } void impossible(bool ex=true){ #ifdef CAPITAL cout<<"IMPOSSIBLE"<<"\n"; #else cout<<"Impossible"<<"\n"; #endif if(ex)exit(0); #ifdef LOCAL cout.flush(); #endif } constexpr ll ten(int n){ return n==0?1:ten(n-1)*10; } const ll infLL=LLONG_MAX/3; #ifdef int const int inf=infLL; #else const int inf=INT_MAX/2-100; #endif int topbit(signed t){ return t==0?-1:31-__builtin_clz(t); } int topbit(ll t){ return t==0?-1:63-__builtin_clzll(t); } int botbit(signed a){ return a==0?32:__builtin_ctz(a); } int botbit(ll a){ return a==0?64:__builtin_ctzll(a); } int popcount(signed t){ return __builtin_popcount(t); } int popcount(ll t){ return __builtin_popcountll(t); } bool ispow2(int i){ return i&&(i&-i)==i; } ll mask(int i){ return (ll(1)<<i)-1; } bool inc(int a,int b,int c){ return a<=b&&b<=c; } template<class t> void mkuni(vc<t>&v){ sort(all(v)); v.erase(unique(all(v)),v.ed); } ll rand_int(ll l, ll r) { //[l, r] #ifdef LOCAL static mt19937_64 gen; #else static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count()); #endif return uniform_int_distribution<ll>(l, r)(gen); } template<class t> void myshuffle(vc<t>&a){ rep(i,si(a))swap(a[i],a[rand_int(0,i)]); } template<class t> int lwb(const vc<t>&v,const t&a){ return lower_bound(all(v),a)-v.bg; } vvc<int> readGraph(int n,int m){ vvc<int> g(n); rep(i,m){ int a,b; cin>>a>>b; //sc.read(a,b); a--;b--; g[a].pb(b); g[b].pb(a); } return g; } vvc<int> readTree(int n){ return readGraph(n,n-1); } int gcd(int a,int b){return b?gcd(b,a%b):a;} template<class t> t pow_mod(t x,t n,t m){ t r=1; while(n){ if(n&1)r=(r*x)%m; x=(x*x)%m; n>>=1; } return r; } bool is_prime(ll n) { if (n <= 1) return false; if (n == 2) return true; if (n % 2 == 0) return false; ll d = n - 1; while (d % 2 == 0) d /= 2; for (ll a : {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37}) { if (n <= a) break; ll t = d; ll y = pow_mod<__int128_t>(a, t, n); // over while (t != n - 1 && y != 1 && y != n - 1) { y = __int128_t(y) * y % n; // flow t <<= 1; } if (y != n - 1 && t % 2 == 0) { return false; } } return true; } ll pollard_single(ll n) { auto f = [&](ll x) { return (__int128_t(x) * x + 1) % n; }; if (is_prime(n)) return n; if (n % 2 == 0) return 2; ll st = 0; while (true) { st++; ll x = st, y = f(x); while (true) { ll p = gcd((y - x + n), n); if (p == 0 || p == n) break; if (p != 1) return p; x = f(x); y = f(f(y)); } } } vc<ll> pollard(ll n) { if (n == 1) return {}; ll x = pollard_single(n); if (x == n) return {x}; vc<ll> le = pollard(x); vc<ll> ri = pollard(n / x); le.insert(le.end(), ri.begin(), ri.end()); return le; } ll primitive_root(ll p) { auto v = pollard(p - 1); //while (true) { // ll g = rand_int(1, p - 1); //[1, p-1] rng(g,4,p){ bool ok = true; for (auto d : v) { ll f = (p - 1) / d; if (pow_mod<__int128_t>(g, f, p) == 1) { ok = false; break; } } if (ok) return g; } } vc<pi> to_freq(vi a){ sort(all(a)); vc<pi> res; for(auto v:a){ if(res.empty()||res.back().a!=v)res.eb(v,0); res.back().b++; } return res; } vi enum_divs(int n){ auto f=to_freq(pollard(n)); dmp(f); vi res; auto rec=[&](auto self,int i,int d)->void{ if(i==si(f))res.pb(d); else{ rep(_,f[i].b+1){ self(self,i+1,d); d*=f[i].a; } } }; rec(rec,0,1); return res; } void slv(){ int x,y;cin>>x>>y; int n=x+y; auto f=to_freq(pollard(n)); int ans=0; auto upd=[&](int a){ if(a==1){ if(x==y) ans+=x-1; }else if(a>=2){ int z=x-n/(a+1); if(z%(a-1)==0){ int b=z/(a-1); int c=x-a*b; if(b>=1&&c>=1&&y==a*c+b){ ans++; } } } }; auto rec=[&](auto self,int i,int d)->void{ if(i==si(f)){ upd(d-1); } else{ rep(_,f[i].b+1){ self(self,i+1,d); d*=f[i].a; } } }; rec(rec,0,1); print(ans); } signed main(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20); int t;cin>>t;rep(_,t)slv(); }