結果
問題 | No.916 Encounter On A Tree |
ユーザー | 👑 tute7627 |
提出日時 | 2019-10-25 22:31:14 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 31 ms / 2,000 ms |
コード長 | 5,634 bytes |
コンパイル時間 | 2,019 ms |
コンパイル使用メモリ | 175,760 KB |
実行使用メモリ | 20,868 KB |
最終ジャッジ日時 | 2024-09-13 04:43:34 |
合計ジャッジ時間 | 5,460 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 | 30 ms
20,700 KB |
testcase_01 | AC | 29 ms
20,800 KB |
testcase_02 | AC | 29 ms
20,868 KB |
testcase_03 | AC | 30 ms
20,820 KB |
testcase_04 | AC | 30 ms
20,780 KB |
testcase_05 | AC | 30 ms
20,792 KB |
testcase_06 | AC | 30 ms
20,796 KB |
testcase_07 | AC | 29 ms
20,752 KB |
testcase_08 | AC | 30 ms
20,808 KB |
testcase_09 | AC | 29 ms
20,636 KB |
testcase_10 | AC | 30 ms
20,864 KB |
testcase_11 | AC | 29 ms
20,784 KB |
testcase_12 | AC | 30 ms
20,720 KB |
testcase_13 | AC | 30 ms
20,636 KB |
testcase_14 | AC | 29 ms
20,812 KB |
testcase_15 | AC | 29 ms
20,660 KB |
testcase_16 | AC | 29 ms
20,788 KB |
testcase_17 | AC | 28 ms
20,812 KB |
testcase_18 | AC | 30 ms
20,760 KB |
testcase_19 | AC | 29 ms
20,632 KB |
testcase_20 | AC | 29 ms
20,760 KB |
testcase_21 | AC | 30 ms
20,764 KB |
testcase_22 | AC | 30 ms
20,812 KB |
testcase_23 | AC | 30 ms
20,632 KB |
testcase_24 | AC | 30 ms
20,768 KB |
testcase_25 | AC | 30 ms
20,752 KB |
testcase_26 | AC | 29 ms
20,832 KB |
testcase_27 | AC | 29 ms
20,812 KB |
testcase_28 | AC | 29 ms
20,656 KB |
testcase_29 | AC | 29 ms
20,764 KB |
testcase_30 | AC | 30 ms
20,848 KB |
testcase_31 | AC | 30 ms
20,628 KB |
testcase_32 | AC | 29 ms
20,780 KB |
testcase_33 | AC | 31 ms
20,776 KB |
testcase_34 | AC | 30 ms
20,764 KB |
testcase_35 | AC | 30 ms
20,636 KB |
testcase_36 | AC | 30 ms
20,780 KB |
testcase_37 | AC | 29 ms
20,768 KB |
testcase_38 | AC | 29 ms
20,824 KB |
testcase_39 | AC | 31 ms
20,812 KB |
testcase_40 | AC | 31 ms
20,816 KB |
testcase_41 | AC | 29 ms
20,772 KB |
testcase_42 | AC | 30 ms
20,768 KB |
testcase_43 | AC | 30 ms
20,808 KB |
testcase_44 | AC | 29 ms
20,756 KB |
testcase_45 | AC | 31 ms
20,768 KB |
testcase_46 | AC | 30 ms
20,820 KB |
testcase_47 | AC | 30 ms
20,632 KB |
testcase_48 | AC | 29 ms
20,812 KB |
testcase_49 | AC | 30 ms
20,812 KB |
testcase_50 | AC | 29 ms
20,808 KB |
testcase_51 | AC | 30 ms
20,812 KB |
testcase_52 | AC | 29 ms
20,724 KB |
testcase_53 | AC | 29 ms
20,628 KB |
testcase_54 | AC | 29 ms
20,812 KB |
testcase_55 | AC | 30 ms
20,748 KB |
testcase_56 | AC | 30 ms
20,796 KB |
testcase_57 | AC | 29 ms
20,820 KB |
testcase_58 | AC | 30 ms
20,756 KB |
testcase_59 | AC | 29 ms
20,700 KB |
testcase_60 | AC | 30 ms
20,752 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; #define endl '\n' #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define test cout<<"test"<<endl; #define fi first #define se second #define MP make_pair #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = n; i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = m - 1; i >= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD = 1e9+7; //const ll MOD = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T> void chmin(T &a,T b){if(a>b)a=b;} template<typename T> void chmax(T &a,T b){if(a<b)a=b;} void pmod(ll &a,ll b){a=(a+b)%MOD;} void pmod(ll &a,ll b,ll c){a=(b+c)%MOD;} void qmod(ll &a,ll b){a=(a*b)%MOD;} void qmod(ll &a,ll b,ll c){a=(b*c)%MOD;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2> void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T> void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++) {cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}}; void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++) {for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}}; template<typename T> void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0]; for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;}; template<typename T> vector<vector<T>>vec(ll x, ll y, T w){ vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vector<ll>dx={1,0,-1,0,1,1,-1,-1}; vector<ll>dy={0,1,0,-1,1,-1,1,-1}; template<typename T> vector<T> make_v(size_t a,T b){return vector<T>(a,b);} template<typename... Ts> auto make_v(size_t a,Ts... ts){ return vector<decltype(make_v(ts...))>(a,make_v(ts...)); } template< int mod > struct ModInt { int x; ModInt() : x(0) {} ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} ModInt &operator+=(const ModInt &p) { if((x += p.x) >= mod) x -= mod; return *this; } ModInt &operator-=(const ModInt &p) { if((x += mod - p.x) >= mod) x -= mod; return *this; } ModInt &operator*=(const ModInt &p) { x = (int) (1LL * x * p.x % mod); return *this; } ModInt &operator/=(const ModInt &p) { *this *= p.inverse(); return *this; } ModInt operator-() const { return ModInt(-x); } ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; } ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; } ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; } ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; } bool operator==(const ModInt &p) const { return x == p.x; } bool operator!=(const ModInt &p) const { return x != p.x; } ModInt inverse() const { int a = x, b = mod, u = 1, v = 0, t; while(b > 0) { t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return ModInt(u); } ModInt pow(int64_t n) const { ModInt ret(1), mul(x); while(n > 0) { if(n & 1) ret *= mul; mul *= mul; n >>= 1; } return ret; } friend ostream &operator<<(ostream &os, const ModInt &p) { return os << p.x; } friend istream &operator>>(istream &is, ModInt &a) { int64_t t; is >> t; a = ModInt< mod >(t); return (is); } static int get_mod() { return mod; } }; using modint = ModInt< MOD >; template< typename T > struct Combination { vector< T > _fact, _rfact, _inv; Combination(ll sz) : _fact(sz + 1), _rfact(sz + 1), _inv(sz + 1) { _fact[0] = _rfact[sz] = _inv[0] = 1; for(ll i = 1; i <= sz; i++) _fact[i] = _fact[i - 1] * i; _rfact[sz] /= _fact[sz]; for(ll i = sz - 1; i >= 0; i--) _rfact[i] = _rfact[i + 1] * (i + 1); for(ll i = 1; i <= sz; i++) _inv[i] = _rfact[i] * _fact[i - 1]; } inline T fact(ll k) const { return _fact[k]; } inline T rfact(ll k) const { return _rfact[k]; } inline T inv(ll k) const { return _inv[k]; } T P(ll n, ll r) const { if(r < 0 || n < r) return 0; return fact(n) * rfact(n - r); } T C(ll p, ll q) const { if(q < 0 || p < q) return 0; return fact(p) * rfact(q) * rfact(p - q); } T H(ll n, ll r) const { if(n < 0 || r < 0) return (0); return r == 0 ? 1 : C(n + r - 1, r); } }; using Comb=Combination<modint>; int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); //cout<<fixed<<setprecision(10); ll res=0,buf=0; bool judge = true; ll d,l,r,k;cin>>d>>l>>r>>k; ll ld=-1,rd=-1; while(l){ l/=2; ld++; } while(r){ r/=2; rd++; } if(ld>rd)swap(ld,rd); modint ret=1; Comb comb(1500000); rep(i,0,d){ if(i!=ld&&i!=rd){ ret*=comb.P(1<<i,1<<i); } else if(i!=ld||i!=rd){ ret*=comb.P((1<<i)-1,(1<<i)-1); } else ret*=comb.P((1<<i)-2,(1<<i)-2); } judge=false; rep(i,0,ld+1){ if(ld-i+rd-i==k){ judge=true; //cout<<ret spa i spa ld spa rd<<endl; ll x=ld-i,y=rd-i; //cout<<x spa y<<endl; if(ld==rd){ ret*=1<<i; ret*=1<<x; //cout<<ret<<endl; ret*=1<<x-1; } else if(ld==i){ ret*=1<<i; ret*=1<<x; ret*=1<<y; } else{ ret*=1<<i; ret*=1<<x; ret*=1<<y-1; } break; } } if(judge)cout<<ret<<endl; else cout<<0<<endl; return 0; }