結果
問題 | No.1817 Reversed Edges |
ユーザー | t98slider |
提出日時 | 2022-01-21 21:58:06 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 77 ms / 2,000 ms |
コード長 | 11,423 bytes |
コンパイル時間 | 1,834 ms |
コンパイル使用メモリ | 176,148 KB |
実行使用メモリ | 18,816 KB |
最終ジャッジ日時 | 2024-05-04 12:50:58 |
合計ジャッジ時間 | 4,526 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
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 64 ms
8,960 KB |
testcase_08 | AC | 28 ms
6,940 KB |
testcase_09 | AC | 62 ms
8,576 KB |
testcase_10 | AC | 32 ms
6,944 KB |
testcase_11 | AC | 44 ms
7,168 KB |
testcase_12 | AC | 76 ms
9,728 KB |
testcase_13 | AC | 76 ms
9,728 KB |
testcase_14 | AC | 77 ms
9,600 KB |
testcase_15 | AC | 76 ms
9,708 KB |
testcase_16 | AC | 77 ms
9,856 KB |
testcase_17 | AC | 72 ms
9,728 KB |
testcase_18 | AC | 75 ms
9,728 KB |
testcase_19 | AC | 74 ms
9,728 KB |
testcase_20 | AC | 74 ms
9,728 KB |
testcase_21 | AC | 71 ms
9,728 KB |
testcase_22 | AC | 41 ms
9,980 KB |
testcase_23 | AC | 41 ms
9,892 KB |
testcase_24 | AC | 55 ms
18,816 KB |
ソースコード
#include <bits/stdc++.h> #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define rep(i,n) for(int i=0;i<(int)(n);i++) #define drep(i,j,n) for(int i=0;i<(int)(n-1);i++)for(int j=i+1;j<(int)(n);j++) #define trep(i,j,k,n) for(int i=0;i<(int)(n-2);i++)for(int j=i+1;j<(int)(n-1);j++)for(int k=j+1;k<(int)(n);k++) #define codefor int test;scanf("%d",&test);while(test--) #define INT(...) int __VA_ARGS__;in(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;in(__VA_ARGS__) #define yes(ans) if(ans)printf("yes\n");else printf("no\n") #define Yes(ans) if(ans)printf("Yes\n");else printf("No\n") #define YES(ans) if(ans)printf("YES\n");else printf("NO\n") #define popcount(v) __builtin_popcount(v) #define vector1d(type,name,...) vector<type>name(__VA_ARGS__) #define vector2d(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__)) #define vector3d(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__))) #define vector4d(type,name,h,w,d,...) vector<vector<vector<vector<type>>>>name(h,vector<vector<vector<type>>>(w,vector<vector<type>>(d,vector<type>(__VA_ARGS__)))) using namespace std; using ll = long long; template<class T>using rpriority_queue = priority_queue<T, vector<T>, greater<T>>; const int MOD=1000000007; const int MOD2=998244353; const int INF=1<<30; const ll INF2=(ll)1<<60; //入力系 void scan(int& a){scanf("%d",&a);} void scan(long long& a){scanf("%lld",&a);} template<class T,class L>void scan(pair<T, L>& p){scan(p.first);scan(p.second);} template<class T> void scan(T& a){cin>>a;} template<class T> void scan(vector<T>& vec){for(auto&& it:vec)scan(it);} void in(){} template <class Head, class... Tail> void in(Head& head, Tail&... tail){scan(head);in(tail...);} //出力系 void print(const int& a){printf("%d",a);} void print(const long long& a){printf("%lld",a);} void print(const double& a){printf("%.15lf",a);} template<class T,class L>void print(const pair<T, L>& p){print(p.first);putchar(' ');print(p.second);} template<class T> void print(const T& a){cout<<a;} template<class T> void print(const vector<T>& vec){if(vec.empty())return;print(vec[0]);for(auto it=vec.begin();++it!= vec.end();){putchar(' ');print(*it);}} void out(){putchar('\n');} template<class T> void out(const T& t){print(t);putchar('\n');} template <class Head, class... Tail> void out(const Head& head,const Tail&... tail){print(head);putchar(' ');out(tail...);} //デバッグ系 template<class T> void dprint(const T& a){cerr<<a;} template<class T> void dprint(const vector<T>& vec){if(vec.empty())return;cerr<<vec[0];for(auto it=vec.begin();++it!= vec.end();){cerr<<" "<<*it;}} void debug(){cerr<<endl;} template<class T> void debug(const T& t){dprint(t);cerr<<endl;} template <class Head, class... Tail> void debug(const Head& head, const Tail&... tail){dprint(head);cerr<<" ";debug(tail...);} ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; } ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; } ll modinv(ll a, ll m) {ll b = m, u = 1, v = 0;while (b) {ll t = a / b;a -= t * b; swap(a, b);u -= t * v; swap(u, v);}u %= m;if (u < 0) u += m;return u;} ll updivide(ll a,ll b){if(a%b==0) return a/b;else return (a/b)+1;} template<class T> void chmax(T &a,const T b){if(b>a)a=b;} template<class T> void chmin(T &a,const T b){if(b<a)a=b;} namespace internal { constexpr long long safe_mod(long long x, long long m) {x %= m;if (x < 0) x += m;return x;} struct barrett { unsigned int _m; unsigned long long im; explicit barrett(unsigned int m) : _m(m), im((unsigned long long)(-1) / m + 1) {} unsigned int umod() const { return _m; } unsigned int mul(unsigned int a, unsigned int b) const { unsigned long long z = a; z *= b; #ifdef _MSC_VER unsigned long long x; _umul128(z, im, &x); #else unsigned long long x = (unsigned long long)(((unsigned long long)(z)*im)); #endif unsigned int v = (unsigned int)(z - x * _m); if (_m <= v) v += _m; return v; } }; constexpr long long pow_mod_constexpr(long long x, long long n, int m) { if (m == 1) return 0; unsigned int _m = (unsigned int)(m); unsigned long long r = 1; unsigned long long y = safe_mod(x, m); while (n) { if (n & 1) r = (r * y) % _m; y = (y * y) % _m; n >>= 1; } return r; } constexpr bool is_prime_constexpr(int n) { if (n <= 1) return false; if (n == 2 || n == 7 || n == 61) return true; if (n % 2 == 0) return false; long long d = n - 1; while (d % 2 == 0) d /= 2; constexpr long long bases[3] = {2, 7, 61}; for (long long a : bases) { long long t = d; long long y = pow_mod_constexpr(a, t, n); while (t != n - 1 && y != 1 && y != n - 1) {y = y * y % n;t <<= 1;} if (y != n - 1 && t % 2 == 0) {return false;} } return true; } template <int n> constexpr bool is_prime = is_prime_constexpr(n); constexpr std::pair<long long, long long> inv_gcd(long long a, long long b) { a = safe_mod(a, b); if (a == 0) return {b, 0}; long long s = b, t = a; long long m0 = 0, m1 = 1; while (t) {long long u = s / t;s -= t * u;m0 -= m1 * u;auto tmp = s;s = t;t = tmp;tmp = m0;m0 = m1;m1 = tmp;} if (m0 < 0) m0 += b / s; return {s, m0}; } constexpr int primitive_root_constexpr(int m) { if (m == 2) return 1; if (m == 167772161) return 3; if (m == 469762049) return 3; if (m == 754974721) return 11; if (m == 998244353) return 3; int divs[20] = {}; divs[0] = 2; int cnt = 1; int x = (m - 1) / 2; while (x % 2 == 0) x /= 2; for (int i = 3; (long long)(i)*i <= x; i += 2) { if (x % i == 0) {divs[cnt++] = i;while (x % i == 0) {x /= i;}} } if (x > 1) {divs[cnt++] = x;} for (int g = 2;; g++) { bool ok = true; for (int i = 0; i < cnt; i++) { if (pow_mod_constexpr(g, (m - 1) / divs[i], m) == 1) {ok = false;break;} } if (ok) return g; } } template <int m> constexpr int primitive_root = primitive_root_constexpr(m); unsigned long long floor_sum_unsigned(unsigned long long n,unsigned long long m,unsigned long long a,unsigned long long b) { unsigned long long ans = 0; while (true) { if (a >= m) {ans += n * (n - 1) / 2 * (a / m);a %= m;} if (b >= m) {ans += n * (b / m);b %= m;} unsigned long long y_max = a * n + b; if (y_max < m) break; n = (unsigned long long)(y_max / m); b = (unsigned long long)(y_max % m); std::swap(m, a); } return ans; } template <class T> using is_integral = typename std::is_integral<T>; template <class T> using is_signed_int = typename std::conditional<is_integral<T>::value && std::is_signed<T>::value, std::true_type, std::false_type>::type; template <class T> using is_unsigned_int = typename std::conditional<is_integral<T>::value && std::is_unsigned<T>::value, std::true_type, std::false_type>::type; template <class T> using to_unsigned = typename std::conditional<is_signed_int<T>::value, std::make_unsigned<T>, std::common_type<T>>::type; template <class T> using is_signed_int_t = std::enable_if_t<is_signed_int<T>::value>; template <class T> using is_unsigned_int_t = std::enable_if_t<is_unsigned_int<T>::value>; template <class T> using to_unsigned_t = typename to_unsigned<T>::type; struct modint_base {}; struct static_modint_base : modint_base {}; template <class T> using is_modint = std::is_base_of<modint_base, T>; template <class T> using is_modint_t = std::enable_if_t<is_modint<T>::value>; } // namespace internal template <int m, std::enable_if_t<(1 <= m)>* = nullptr> struct static_modint : internal::static_modint_base { using mint = static_modint; public: static constexpr int mod() { return m; } static mint raw(int v) {mint x;x._v = v;return x;} static_modint() : _v(0) {} template <class T, internal::is_signed_int_t<T>* = nullptr> static_modint(T v) { long long x = (long long)(v % (long long)(umod())); if (x < 0) x += umod();_v = (unsigned int)(x); } template <class T, internal::is_unsigned_int_t<T>* = nullptr> static_modint(T v) {_v = (unsigned int)(v % umod());} unsigned int val() const { return _v; } mint& operator++() {_v++;if (_v == umod()) _v = 0;return *this;} mint& operator--() {if (_v == 0) _v = umod();_v--;return *this;} mint operator++(int) {mint result = *this;++*this;return result;} mint operator--(int) {mint result = *this;--*this;return result;} mint& operator+=(const mint& rhs) {_v += rhs._v;if (_v >= umod()) _v -= umod();return *this;} mint& operator-=(const mint& rhs) {_v -= rhs._v;if (_v >= umod()) _v += umod();return *this;} mint& operator*=(const mint& rhs) {unsigned long long z = _v;z *= rhs._v;_v = (unsigned int)(z % umod());return *this;} mint& operator/=(const mint& rhs) { return *this = *this * rhs.inv(); } mint operator+() const { return *this; } mint operator-() const { return mint() - *this; } mint pow(long long n) const {assert(0 <= n);mint x = *this, r = 1;while (n) {if (n & 1) r *= x;x *= x;n >>= 1;}return r;} mint inv() const {if (prime) {assert(_v);return pow(umod() - 2);} else {auto eg = internal::inv_gcd(_v, m);assert(eg.first == 1);return eg.second;}} friend mint operator+(const mint& lhs, const mint& rhs) {return mint(lhs) += rhs;} friend mint operator-(const mint& lhs, const mint& rhs) {return mint(lhs) -= rhs;} friend mint operator*(const mint& lhs, const mint& rhs) {return mint(lhs) *= rhs;} friend mint operator/(const mint& lhs, const mint& rhs) {return mint(lhs) /= rhs;} friend bool operator==(const mint& lhs, const mint& rhs) {return lhs._v == rhs._v;} friend bool operator!=(const mint& lhs, const mint& rhs) {return lhs._v != rhs._v;} //自分で加えたもの friend istream& operator>>(istream& os,mint& rhs) noexcept { long long v; rhs = mint{(os >> v, v)}; return os; } friend constexpr ostream& operator << (ostream &os, const mint& rhs) noexcept { return os << rhs._v; } private: unsigned int _v; static constexpr unsigned int umod() { return m; } static constexpr bool prime = internal::is_prime<m>; }; using mint=static_modint<1000000007>; using mint2=static_modint<998244353>; int main(){ INT(n); vector<vector<int>> g(n); int u,v; rep(i,n-1){ in(u,v); g[--u].push_back(--v); g[v].push_back(u); } vector<ll> ans(n,0); function<ll(int,int)> dfs=[&](int v,int p){ ll res=0; for(auto u:g[v]){ if(u==p)continue; res+=(v>u); res+=dfs(u,v); } return res; }; ll sumv=dfs(0,-1); function<void(int,int)> dfs2=[&](int v,int p){ ans[v]=sumv; for(auto u:g[v]){ if(u==p)continue; sumv+=(v<u)-(v>u); dfs2(u,v); } sumv+=(v<p)-(v>p); }; dfs2(0,-1); rep(i,n)out(ans[i]); }