結果
問題 | No.2634 Tree Distance 3 |
ユーザー | akiaa11 |
提出日時 | 2024-02-23 00:32:05 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,103 bytes |
コンパイル時間 | 4,425 ms |
コンパイル使用メモリ | 280,932 KB |
実行使用メモリ | 86,636 KB |
最終ジャッジ日時 | 2024-09-29 04:36:54 |
合計ジャッジ時間 | 67,591 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 |
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testcase_00 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
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 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | AC | 1 ms
6,816 KB |
testcase_59 | AC | 2 ms
6,816 KB |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | WA | - |
testcase_63 | AC | 431 ms
63,552 KB |
testcase_64 | AC | 267 ms
43,452 KB |
testcase_65 | AC | 403 ms
60,204 KB |
testcase_66 | AC | 97 ms
21,120 KB |
testcase_67 | AC | 75 ms
18,160 KB |
testcase_68 | WA | - |
testcase_69 | WA | - |
testcase_70 | WA | - |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<(int)n;++i) #define rep2(i,a,n) for(int i=(int)a;i<(int)n;++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)(n)-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)(n)-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif #define M_PI 3.14159265358979323846 using namespace std; using namespace atcoder; using ll=long long; using ld=long double; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<long double>; using vectp=vector<tp>; using vectpll=vector<tpll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} bool PrintA(int i){cout<<(i ? "Yes" : "No")<<endl;return i;} constexpr ll INF=numeric_limits<ll>::max() >> 2; constexpr int inf=numeric_limits<int>::max() >> 1; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} int op(int a, int b){return max(a, b);} int e(){return -inf;} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n;cin>>n; veci a(n); rep(i, n) cin>>a[i]; vector<veci> g(n); rep(i, n - 1){ int b, c;cin>>b>>c; b--, c--; g[b].push_back(c); g[c].push_back(b); } veci dp(n), used(n); auto dfs = [&](auto f, int v, int p) -> void{ dp[v] = 1; for(int nv : g[v]) if(nv != p && used[nv] == 0){ f(f, nv, v); dp[v] += dp[nv]; } }; auto dfs2 = [&](auto f, int v, int p, int c) -> int{ int u = 1; for(int nv : g[v]) if(used[nv] == 0){ if(nv == p) u &= c >= 2 * (c - dp[v]); else u &= c >= 2 * dp[nv]; } if(u) return v; for(int nv : g[v]) if(nv != p && used[nv] == 0){ int r = f(f, nv, v, c); if(r != -1) return r; } return -1; }; veci pr(n), sz(n); veci ls; vector<veci> g2(n); auto rec = [&](auto f, int v, int p) -> int{ dfs(dfs, v, -1); int cent = dfs2(dfs2, v, -1, dp[v]); pr[cent] = p; sz[cent] = dp[v]; used[cent] = 1; for(int nv : g[cent]) if(used[nv] == 0){ g2[cent].push_back(f(f, nv, cent)); } ls.push_back(cent); return cent; }; rec(rec, 0, -1); veci dist(n); vector<veci> b(n); vecpii lr(n); veci ans(n); veci idx(n); auto rec2 = [&](auto f, int v) -> void{ map<int, veci> mp; int cnt = 0; for(int nv : g2[v]){ int l = cnt, r = cnt + b[nv].size(); while(b[nv].size()){ mp[a[b[nv].back()]].push_back(b[nv].back()); b[v].push_back(b[nv].back()); lr[b[nv].back()] = {l, r}; idx[b[nv].back()] = cnt++; b[nv].pop_back(); } } lr[v] = {cnt, cnt + 1}; idx[v] = cnt++; b[v].push_back(v); mp[a[v]].push_back(v); segtree<int, op, e> sg(sz[v]); for(auto it = mp.rbegin(); it != mp.rend(); ++it){ for(int nv : it->se){ chmax(ans[nv], dist[nv] + max(sg.prod(0, lr[nv].fi), sg.prod(lr[nv].se, sz[v]))); if(nv == 2 && ans[nv] == 3) Log(v, dist[nv], sg.prod(0, lr[nv].fi), sg.prod(lr[nv].se, sz[v])); sg.set(idx[nv], dist[nv]); dist[nv]++; } } }; rep(i, ls.size()) rec2(rec2, ls[i]); PrintR(ans); }