結果
問題 | No.916 Encounter On A Tree |
ユーザー | sntea |
提出日時 | 2019-11-06 23:25:42 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 14 ms / 2,000 ms |
コード長 | 5,563 bytes |
コンパイル時間 | 1,986 ms |
コンパイル使用メモリ | 178,640 KB |
実行使用メモリ | 11,392 KB |
最終ジャッジ日時 | 2024-09-15 00:29:03 |
合計ジャッジ時間 | 4,176 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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
5,376 KB |
testcase_02 | AC | 14 ms
11,264 KB |
testcase_03 | AC | 13 ms
11,392 KB |
testcase_04 | AC | 14 ms
11,392 KB |
testcase_05 | AC | 13 ms
11,264 KB |
testcase_06 | AC | 13 ms
11,392 KB |
testcase_07 | AC | 14 ms
11,392 KB |
testcase_08 | AC | 3 ms
5,376 KB |
testcase_09 | AC | 5 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 14 ms
11,264 KB |
testcase_13 | AC | 14 ms
11,264 KB |
testcase_14 | AC | 14 ms
11,264 KB |
testcase_15 | AC | 14 ms
11,392 KB |
testcase_16 | AC | 5 ms
5,376 KB |
testcase_17 | AC | 13 ms
11,264 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 14 ms
11,264 KB |
testcase_20 | AC | 13 ms
11,392 KB |
testcase_21 | AC | 13 ms
11,264 KB |
testcase_22 | AC | 14 ms
11,264 KB |
testcase_23 | AC | 13 ms
11,264 KB |
testcase_24 | AC | 13 ms
11,392 KB |
testcase_25 | AC | 14 ms
11,392 KB |
testcase_26 | AC | 8 ms
7,168 KB |
testcase_27 | AC | 7 ms
7,296 KB |
testcase_28 | AC | 5 ms
5,376 KB |
testcase_29 | AC | 14 ms
11,264 KB |
testcase_30 | AC | 14 ms
11,392 KB |
testcase_31 | AC | 13 ms
11,392 KB |
testcase_32 | AC | 14 ms
11,264 KB |
testcase_33 | AC | 8 ms
7,168 KB |
testcase_34 | AC | 5 ms
5,376 KB |
testcase_35 | AC | 3 ms
5,376 KB |
testcase_36 | AC | 13 ms
11,392 KB |
testcase_37 | AC | 13 ms
11,264 KB |
testcase_38 | AC | 5 ms
5,376 KB |
testcase_39 | AC | 13 ms
11,264 KB |
testcase_40 | AC | 14 ms
11,264 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 2 ms
5,376 KB |
testcase_43 | AC | 2 ms
5,376 KB |
testcase_44 | AC | 2 ms
5,376 KB |
testcase_45 | AC | 4 ms
5,376 KB |
testcase_46 | AC | 2 ms
5,376 KB |
testcase_47 | AC | 2 ms
5,376 KB |
testcase_48 | AC | 2 ms
5,376 KB |
testcase_49 | AC | 2 ms
5,376 KB |
testcase_50 | AC | 2 ms
5,376 KB |
testcase_51 | AC | 2 ms
5,376 KB |
testcase_52 | AC | 2 ms
5,376 KB |
testcase_53 | AC | 2 ms
5,376 KB |
testcase_54 | AC | 2 ms
5,376 KB |
testcase_55 | AC | 2 ms
5,376 KB |
testcase_56 | AC | 2 ms
5,376 KB |
testcase_57 | AC | 2 ms
5,376 KB |
testcase_58 | AC | 2 ms
5,376 KB |
testcase_59 | AC | 2 ms
5,376 KB |
testcase_60 | AC | 2 ms
5,376 KB |
ソースコード
#ifdef LOCAL111 #define _GLIBCXX_DEBUG #else #pragma GCC optimize ("O3") #define NDEBUG #endif // #define _USE_MATH_DEFINES #include <bits/stdc++.h> const int INF = 1e9; using namespace std; template<typename T, typename U> ostream& operator<< (ostream& os, const pair<T,U>& p) { os << '(' << p.first << ' ' << p.second << ')'; return os; } #define endl '\n' #define ALL(a) (a).begin(),(a).end() #define SZ(a) int((a).size()) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) #ifdef LOCAL111 #define DEBUG(x) cout<<#x<<": "<<(x)<<endl template<typename T> void dpite(T a, T b){ for(T ite = a; ite != b; ite++) cout << (ite == a ? "" : " ") << *ite; cout << endl;} #else #define DEBUG(x) true template<typename T> void dpite(T a, T b){ return; } #endif #define F first #define S second #define SNP string::npos #define WRC(hoge) cout << "Case #" << (hoge)+1 << ": " template<typename T> void pite(T a, T b){ for(T ite = a; ite != b; ite++) cout << (ite == a ? "" : " ") << *ite; cout << endl;} template<typename T> bool chmax(T& a, T b){if(a < b){a = b; return true;} return false;} template<typename T> bool chmin(T& a, T b){if(a > b){a = b; return true;} return false;} template<typename T> vector<T> make_v(size_t a){return vector<T>(a);} template<typename T,typename... Ts> auto make_v(size_t a,Ts... ts){ return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...)); } template<typename T,typename U,typename... V> typename enable_if<is_same<T, U>::value!=0>::type fill_v(U &u,const V... v){u=U(v...);} template<typename T,typename U,typename... V> typename enable_if<is_same<T, U>::value==0>::type fill_v(U &u,const V... v){ for(auto &e:u) fill_v<T>(e,v...); } const array<int, 4> dx = {0, 1, 0, -1}; const array<int, 4> dy = {1, 0, -1, 0}; typedef long long int LL; typedef unsigned long long ULL; typedef pair<int,int> P; void ios_init(){ //cout.setf(ios::fixed); //cout.precision(12); #ifdef LOCAL111 return; #endif ios::sync_with_stdio(false); cin.tie(0); } template<long long MOD> class ModInt { public: const static long long mod = MOD; long long x; ModInt() { x = 0; } ModInt(long long x) { x %= mod; this->x = x < 0 ? x+mod : x; } int get() const { return (int)x; } ModInt &operator+=(ModInt that) { if((x += that.get()) >= mod) x -= mod; return *this; } ModInt &operator-=(ModInt that) { if((x += mod-that.get()) >= mod) x -= mod; return *this; } ModInt &operator*=(ModInt that) { x = x*that.get()%mod; return *this; } ModInt &operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt inverse() const { using std::swap; long long a = x, b = mod, u = 1, v = 0; while(b) { long long t = a/b; a -= t*b; swap(a,b); u -= t*v; swap(u,v); } return ModInt(u); } ModInt pow(int n) const{ ModInt b = *this; ModInt res = 1; while(n != 0) { if(n&1){ res *= b; } b *= b; n >>= 1; } return res; } bool operator==(ModInt that) const { return x == that.get(); } bool operator!=(ModInt that) const { return x != that.get(); } ModInt operator-() const { return x == 0 ? 0 : ModInt(mod-x); } }; template<long long MOD> ostream& operator<< (ostream& os, const ModInt<MOD>& m) { os << m.get(); return os; } template<long long MOD> istream& operator>> (istream& is, ModInt<MOD>& m){ long long n; is >> n; m = n; return is;} typedef ModInt<1000000007> mint; class ConvQuery { vector<mint> fac; vector<mint> facinv; public: ConvQuery(int n) { fac = vector<mint>(n+1); facinv = vector<mint>(n+1); fac[0] = 1; facinv[0] = 1; for(int i = 0; i < n; ++i) { fac[i+1] = fac[i]*(i+1); facinv[i+1] = fac[i+1].inverse(); } } mint operator()(int n, int m) { if(n >= 0 and 0 <= m and m <= n) return fac[n]*facinv[n-m]*facinv[m]; else return 0; } }; int main() { ios_init(); int d, l, r, k; while(cin >> d >> l >> r >> k) { int ld = 0; int t = l; while(t > 0) { t /= 2; ld++; } int rd = 0; t = r; while(t > 0) { t /= 2; rd++; } vector<mint> fact(1<<d); fact[0] = 1; REP(i, SZ(fact) - 1) fact[i+1] = fact[i] * (i + 1); DEBUG(ld); DEBUG(rd); mint ans = 0; int cand = (1<<(rd - 2)); REP(i, ld - 1) { DEBUG(i); int di = (ld - i - 1) * 2 + (rd - ld); DEBUG(di); if(di == k) { DEBUG(cand); mint x = cand; // DEBUG(ld); DEBUG(rd); // if(rd != ld){ // x = cand; // } else { // x = cand; // } int num = 1; REP(j, d) { int a = num; if(j + 1 == ld) a--; if(j + 1 == rd) a--; DEBUG(fact[a]); x *= fact[a]; num *= 2; } ans += x * (1 << (ld - 1)); DEBUG((1 << (ld - 1))); DEBUG(x); DEBUG(ans); } // cand--; cand /= 2; } if(ld != rd){ int di = rd - ld; int cand = 1<< (rd - ld); if(di == k) { DEBUG(cand); mint x = cand; int num = 1; REP(j, d) { int a = num; if(j + 1 == ld) a--; if(j + 1 == rd) a--; DEBUG(fact[a]); x *= fact[a]; num *= 2; } ans += x * (1 << (ld - 1)); DEBUG((1 << (ld - 1))); DEBUG(x); DEBUG(ans); } } cout << ans << endl; } return 0; }