結果
問題 | No.916 Encounter On A Tree |
ユーザー | Enjapma_kyopro |
提出日時 | 2019-10-30 02:08:57 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,607 bytes |
コンパイル時間 | 1,712 ms |
コンパイル使用メモリ | 173,240 KB |
実行使用メモリ | 31,092 KB |
最終ジャッジ日時 | 2024-09-14 21:40:52 |
合計ジャッジ時間 | 5,508 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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テストケース
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testcase_00 | WA | - |
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ソースコード
#include <bits/stdc++.h> #include <unistd.h> using namespace std; typedef long long ll; typedef pair<ll,ll> P; long long int INF = 3e18; const ll fact_table = 800000; double Pi = 3.1415926535897932384626; vector<ll> G[550010]; //vector<P> tree[500010]; priority_queue <ll> pql; priority_queue <P> pqp; //big priority queue priority_queue <ll,vector<ll>,greater<ll> > pqls; priority_queue <P,vector<P>,greater<P> > pqps; //small priority queue //top pop int dx[8]={1,0,-1,0,1,1,-1,-1}; int dy[8]={0,1,0,-1,1,-1,-1,1}; char dir[] = "DRUL"; //ll bit[500005]; //↓,→,↑,← #define p(x) cout<<x<<"\n"; #define el cout<<endl; #define pe(x) cout<<(x)<<" "; #define ps(x) cout<<fixed<<setprecision(25)<<x<<endl; #define pu(x) cout<<(x); #define pb push_back #define lb lower_bound #define ub upper_bound #define CLEAR(a) a = decltype(a)(); //ll mod = 998244353; ll mod = 1000000007; ll rui(ll number1,ll number2){ if(number2 == 0){ return 1; }else{ ll number3 = rui(number1,number2 / 2); number3 *= number3; number3 %= mod; if(number2%2==1){ number3 *= number1; number3 %= mod; } return number3; } } ll gcd(ll number1,ll number2){ if(number1 > number2){ swap(number1,number2); } if(number1 == 0 || number1 == number2){ return number2; }else{ return gcd(number2 % number1,number1); } } void YES(bool condition){ if(condition){ p("YES"); }else{ p("NO"); } return; } void Yes(bool condition){ if(condition){ p("Yes"); }else{ p("No"); } return; } ll fact[fact_table + 5],rfact[fact_table + 5]; void c3_init(){ fact[0] = rfact[0] = 1; for(ll i=1; i<=fact_table; i++){ fact[i] = (fact[i-1]*i) % mod; } rfact[fact_table] = rui(fact[fact_table],mod - 2); for(ll i=fact_table; i>=1; i--){ rfact[i-1] = rfact[i] * i; rfact[i-1] %= mod; } return;} ll c3(ll n,ll r){ return (((fact[n] * rfact[r]) % mod ) * rfact[n-r]) % mod;} ll n,m,num,sum,a,b,c,d,e,g,h,w,i,j,q,r,l; ll k,ans; ll x[500005],y[500005],z[500005]; P table[500005]; double dp[604]; char s[500005]; int main(){ cin >> d >> a >> b >> k; c3_init(); l = r = 1; ll al, bl; al = bl = -1; for(int i=0;i<d;i++){ if(l <= a && a <= r){ al = i; } if(l <= b && b <= r){ bl = i; } l = l * 2; r = r * 2 + 1; } pe(al);p(bl); ll flag1, flag2; flag1 = (k) % 2; flag2 = (al - bl + 30) % 2; if(flag1 != flag2){ p(0); return 0; } ll depth = -1; ll check = min(al, bl); for(int i=0;i<d;i++){ if(al - i + bl - i == k){ depth = min(al - i,bl - i); } } if(depth == -1){ p(0); return 0; } num = 1; ans = 1; for(int i=0;i<depth;i++){ ans *= num; num *= 2; ans %= mod; num %= mod; } ll nodes = 1; if(al == bl){ for(int i=0;i<d;i++){ ans *= fact[nodes]; ans %= mod; if(i == check){ ans *= rui(nodes - 1,mod - 2); ans %= mod; } nodes *= 2; } }else{ for(int i=0;i<d;i++){ if(i == check){ ans *= fact[nodes - 1]; }else{ ans *= fact[nodes]; } nodes *= 2; ans %= mod; } } p(ans); return 0; }