結果
問題 | No.2892 Lime and Karin |
ユーザー | apricity |
提出日時 | 2024-11-30 01:18:34 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,669 bytes |
コンパイル時間 | 1,564 ms |
コンパイル使用メモリ | 142,880 KB |
実行使用メモリ | 13,568 KB |
最終ジャッジ日時 | 2024-11-30 01:18:45 |
合計ジャッジ時間 | 9,657 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 34 ms
10,520 KB |
testcase_35 | AC | 34 ms
10,520 KB |
testcase_36 | AC | 35 ms
10,520 KB |
testcase_37 | AC | 37 ms
10,520 KB |
testcase_38 | AC | 38 ms
10,516 KB |
testcase_39 | AC | 159 ms
12,288 KB |
testcase_40 | AC | 162 ms
13,568 KB |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | AC | 67 ms
5,888 KB |
testcase_45 | AC | 152 ms
9,216 KB |
testcase_46 | AC | 73 ms
6,400 KB |
testcase_47 | AC | 98 ms
7,424 KB |
testcase_48 | AC | 40 ms
5,248 KB |
testcase_49 | AC | 118 ms
7,936 KB |
testcase_50 | AC | 109 ms
10,368 KB |
testcase_51 | AC | 130 ms
10,240 KB |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
ソースコード
#include<iostream> #include<string> #include<vector> #include<algorithm> #include<numeric> #include<cmath> #include<utility> #include<tuple> #include<cstdint> #include<cstdio> #include<iomanip> #include<map> #include<queue> #include<set> #include<stack> #include<deque> #include<unordered_map> #include<unordered_set> #include<bitset> #include<cctype> #include<chrono> #include<random> #include<cassert> #include<cstddef> #include<iterator> #include<string_view> #include<type_traits> #ifdef LOCAL # include "debug_print.hpp" # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif using namespace std; #define rep1(a) for(int i = 0; i < a; i++) #define rep2(i, a) for(int i = 0; i < a; i++) #define rep3(i, a, b) for(int i = a; i < b; i++) #define rep4(i, a, b, c) for(int i = a; i < b; i += c) #define overload4(a, b, c, d, e, ...) e #define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rrep1(a) for(int i = (a)-1; i >= 0; i--) #define rrep2(i, a) for(int i = (a)-1; i >= 0; i--) #define rrep3(i, a, b) for(int i = (b)-1; i >= a; i--) #define rrep4(i, a, b, c) for(int i = (b)-1; i >= a; i -= c) #define rrep(...) overload4(__VA_ARGS__, rrep4, rrep3, rrep2, rrep1)(__VA_ARGS__) #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ); #define pb push_back using ll = long long; using D = double; using LD = long double; using P = pair<int, int>; using vi = vector<int>; using vl = vector<ll>; template <class T> using vc = vector<T>; template <class T> using vvc = vector<vc<T>>; template <class T> using vvvc = vector<vvc<T>>; template <class T> using vvvvc = vector<vvvc<T>>; template <class T> using vvvvvc = vector<vvvvc<T>>; #define vv(type, name, h, ...) \ vector<vector<type>> name(h, vector<type>(__VA_ARGS__)) #define vvv(type, name, h, w, ...) \ vector<vector<vector<type>>> name( \ h, vector<vector<type>>(w, vector<type>(__VA_ARGS__))) #define vvvv(type, name, a, b, c, ...) \ vector<vector<vector<vector<type>>>> name( \ a, vector<vector<vector<type>>>( \ b, vector<vector<type>>(c, vector<type>(__VA_ARGS__)))) template<typename T> using PQ = priority_queue<T,vector<T>>; template<typename T> using minPQ = priority_queue<T, vector<T>, greater<T>>; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } void yesno(bool flag) {cout << (flag?"Yes":"No") << "\n";} template<typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << p.first << " " << p.second; return os; } template<typename T, typename U> istream &operator>>(istream &is, pair<T, U> &p) { is >> p.first >> p.second; return is; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { int s = (int)v.size(); for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i]; return os; } template<typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &x : v) is >> x; return is; } void in() {} template<typename T, class... U> void in(T &t, U &...u) { cin >> t; in(u...); } void out() { cout << "\n"; } template<typename T, class... U, char sep = ' '> void out(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << sep; out(u...); } void outr() {} template<typename T, class... U, char sep = ' '> void outr(const T &t, const U &...u) { cout << t; outr(u...); } string s; int f[101010]; int freqf[202020]; int maxf = -101010, minf = 101010; ll ans = 0; struct CentroidDecomposition { int n; const vector<vector<int>> &g; vector<int> sz, par; vector<bool> removed; CentroidDecomposition(const vector<vector<int>> &g) : n(g.size()), g(g), sz(g.size(), 0), par(g.size(), -1), removed(g.size(), false) {} void calcSubtreeSize(int u, int p) { sz[u] = 1; for (int v : g[u]) { if (!removed[v] and v != p) { calcSubtreeSize(v, u); sz[u] += sz[v]; } } } void calcF(int u, int p) { f[u] += (s[u] == '1' ? 1 : -1); freqf[f[u]+n]++; chmax(maxf, f[u]); chmin(minf, f[u]); for (int v : g[u]) { if (!removed[v] and v != p) { f[v] = f[u]; calcF(v, u); } } } void clearF(int u, int p) { f[u] = 0; for (int v : g[u]) { if (!removed[v] and v != p) { clearF(v, u); } } } void build(int u, int p) { calcSubtreeSize(u, -1); int sz_root = sz[u]; bool found = false; int pr = -1; while (!found) { found = true; for (int v : g[u]) { if (!removed[v] and v != pr and 2*sz[v] > sz_root) { pr = u, u = v, found = false; break; } } } par[u] = p; maxf = -101010, minf = 101010; f[u] = 0; calcF(u, -1); ll cs = 0; rep(i,f[u]-minf+1, maxf+1) cs += freqf[i+n]; rep(i,minf,maxf+1){ ans += freqf[i+n] * cs; cs += freqf[f[u]-i+n]; if(i*2 > f[u]) { ans -= (ll)freqf[i+n] * freqf[i+n]; ans += (ll)freqf[i+n] * (freqf[i+n]-1); } } rep(i,minf,maxf+1) freqf[i+n] = 0; for(int v : g[u]) if(!removed[v]){ maxf = -101010, minf = 101010; cs = 0; f[v] = 0; calcF(v, u); rep(i,f[v]-minf+1, maxf+1) cs += freqf[i+n]; rep(i,minf,maxf+1){ ans -= freqf[i+n] * cs; cs += freqf[f[v]-i+n]; if(i*2 > f[v]) { ans += (ll)freqf[i+n] * freqf[i+n]; ans -= (ll)freqf[i+n] * (freqf[i+n]-1); } } rep(i,minf,maxf+1) freqf[i+n] = 0; } removed[u] = true; for (int v : g[u]) if (!removed[v]) build(v, u); } }; int main(){ ios_base::sync_with_stdio(false); cin.tie(nullptr); int n; in(n); vector<vector<int>> g(n); rep(i,n-1){ int u,v; in(u,v); u--; v--; g[u].push_back(v); g[v].push_back(u); } in(s); CentroidDecomposition cd(g); cd.build(0,-1); ans /= 2; rep(i,n) if(s[i] == '1') ans++; out(ans); }