結果
問題 | No.2634 Tree Distance 3 |
ユーザー | woodywoody |
提出日時 | 2024-02-17 01:46:39 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 818 ms / 3,000 ms |
コード長 | 8,052 bytes |
コンパイル時間 | 4,527 ms |
コンパイル使用メモリ | 242,932 KB |
実行使用メモリ | 57,060 KB |
最終ジャッジ日時 | 2024-09-28 23:26:45 |
合計ジャッジ時間 | 32,279 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 390 ms
49,492 KB |
testcase_01 | AC | 396 ms
49,452 KB |
testcase_02 | AC | 391 ms
49,444 KB |
testcase_03 | AC | 379 ms
49,424 KB |
testcase_04 | AC | 366 ms
49,380 KB |
testcase_05 | AC | 427 ms
49,424 KB |
testcase_06 | AC | 395 ms
49,380 KB |
testcase_07 | AC | 395 ms
49,468 KB |
testcase_08 | AC | 327 ms
51,128 KB |
testcase_09 | AC | 319 ms
51,252 KB |
testcase_10 | AC | 343 ms
51,328 KB |
testcase_11 | AC | 312 ms
51,044 KB |
testcase_12 | AC | 324 ms
51,088 KB |
testcase_13 | AC | 344 ms
51,320 KB |
testcase_14 | AC | 328 ms
51,060 KB |
testcase_15 | AC | 331 ms
51,208 KB |
testcase_16 | AC | 396 ms
46,956 KB |
testcase_17 | AC | 232 ms
29,448 KB |
testcase_18 | AC | 330 ms
35,480 KB |
testcase_19 | AC | 318 ms
41,672 KB |
testcase_20 | AC | 83 ms
16,896 KB |
testcase_21 | AC | 712 ms
54,384 KB |
testcase_22 | AC | 651 ms
56,316 KB |
testcase_23 | AC | 615 ms
57,060 KB |
testcase_24 | AC | 635 ms
51,912 KB |
testcase_25 | AC | 658 ms
50,916 KB |
testcase_26 | AC | 612 ms
52,228 KB |
testcase_27 | AC | 797 ms
50,952 KB |
testcase_28 | AC | 818 ms
51,848 KB |
testcase_29 | AC | 701 ms
51,400 KB |
testcase_30 | AC | 505 ms
49,540 KB |
testcase_31 | AC | 559 ms
49,476 KB |
testcase_32 | AC | 466 ms
49,480 KB |
testcase_33 | AC | 330 ms
37,448 KB |
testcase_34 | AC | 49 ms
10,752 KB |
testcase_35 | AC | 157 ms
23,936 KB |
testcase_36 | AC | 82 ms
15,488 KB |
testcase_37 | AC | 201 ms
27,440 KB |
testcase_38 | AC | 4 ms
6,816 KB |
testcase_39 | AC | 4 ms
6,816 KB |
testcase_40 | AC | 3 ms
6,820 KB |
testcase_41 | AC | 3 ms
6,816 KB |
testcase_42 | AC | 3 ms
6,820 KB |
testcase_43 | AC | 129 ms
18,560 KB |
testcase_44 | AC | 77 ms
13,568 KB |
testcase_45 | AC | 386 ms
42,352 KB |
testcase_46 | AC | 232 ms
29,696 KB |
testcase_47 | AC | 432 ms
47,004 KB |
testcase_48 | AC | 445 ms
49,524 KB |
testcase_49 | AC | 472 ms
49,584 KB |
testcase_50 | AC | 464 ms
49,640 KB |
testcase_51 | AC | 451 ms
49,612 KB |
testcase_52 | AC | 461 ms
49,596 KB |
testcase_53 | AC | 3 ms
6,816 KB |
testcase_54 | AC | 4 ms
6,820 KB |
testcase_55 | AC | 4 ms
6,816 KB |
testcase_56 | AC | 4 ms
6,820 KB |
testcase_57 | AC | 3 ms
6,816 KB |
testcase_58 | AC | 2 ms
6,820 KB |
testcase_59 | AC | 2 ms
6,816 KB |
testcase_60 | AC | 507 ms
49,300 KB |
testcase_61 | AC | 534 ms
49,448 KB |
testcase_62 | AC | 522 ms
49,476 KB |
testcase_63 | AC | 291 ms
49,448 KB |
testcase_64 | AC | 176 ms
34,276 KB |
testcase_65 | AC | 270 ms
46,844 KB |
testcase_66 | AC | 67 ms
17,152 KB |
testcase_67 | AC | 53 ms
14,720 KB |
testcase_68 | AC | 309 ms
51,104 KB |
testcase_69 | AC | 313 ms
51,104 KB |
testcase_70 | AC | 295 ms
50,984 KB |
ソースコード
#include<bits/stdc++.h> #include<atcoder/all> #define rep(i,b) for(int i=0;i<b;i++) #define rrep(i,b) for(int i=b-1;i>=0;i--) #define rep1(i,b) for(int i=1;i<b;i++) #define repx(i,x,b) for(int i=x;i<b;i++) #define rrepx(i,x,b) for(int i=b-1;i>=x;i--) #define fore(i,a) for(auto& i:a) #define rng(x) (x).begin(), (x).end() #define rrng(x) (x).rbegin(), (x).rend() #define sz(x) ((int)(x).size()) #define pb push_back #define fi first #define se second #define pcnt __builtin_popcountll using namespace std; using namespace atcoder; using ll = long long; using ld = long double; template<typename T> using mpq = priority_queue<T, vector<T>, greater<T>>; template<typename T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<typename T> bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } template<typename T> ll sumv(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;} bool yn(bool a) { if(a) {cout << "Yes" << endl; return true;} else {cout << "No" << endl; return false;}} #define retval(x) {cout << #x << endl; return;} #define cout2(x,y) cout << x << " " << y << endl; #define coutp(p) cout << p.fi << " " << p.se << endl; #define out cout << ans << endl; #define outd cout << fixed << setprecision(20) << ans << endl; #define outm cout << ans.val() << endl; #define outv fore(yans , ans) cout << yans << "\n"; #define outdv fore(yans , ans) cout << yans.val() << "\n"; #define assertmle(x) if (!(x)) {vi v(3e8);} #define asserttle(x) if (!(x)) {while(1){}} #define coutv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;} #define coutv2(v) fore(vy , v) cout << vy << "\n"; #define coutvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;} #define coutvm2(v) fore(vy , v) cout << vy.val() << "\n"; using pll = pair<ll,ll>;using pil = pair<int,ll>;using pli = pair<ll,int>;using pii = pair<int,int>;using pdd = pair<ld,ld>; using vi = vector<int>;using vd = vector<ld>;using vl = vector<ll>;using vs = vector<string>;using vb = vector<bool>; using vpii = vector<pii>;using vpli = vector<pli>;using vpll = vector<pll>;using vpil = vector<pil>; using vvi = vector<vector<int>>;using vvl = vector<vector<ll>>;using vvs = vector<vector<string>>;using vvb = vector<vector<bool>>; using vvpii = vector<vector<pii>>;using vvpli = vector<vector<pli>>;using vvpll = vector<vpll>;using vvpil = vector<vpil>; using mint = modint998244353; //using mint = modint1000000007; //using mint = dynamic_modint<0>; using vm = vector<mint>; using vvm = vector<vector<mint>>; vector<int> dx={1,0,-1,0,1,1,-1,-1},dy={0,1,0,-1,1,-1,1,-1}; ll gcd(ll a, ll b) { return a?gcd(b%a,a):b;} ll lcm(ll a, ll b) { return a/gcd(a,b)*b;} #define yes {cout <<"Yes"<<endl;} #define no {cout <<"No"<<endl;} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #ifdef MY_LOCAL_DEBUG #include "./debug/localDebug.cpp" #define showp(p) cerr<<#p<<" = "<<p.fi<<" : "<<p.se<<endl #define show1(a) cerr<<#a<<" = "<<a<<endl #define show2(a,b) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<endl #define show3(a,b,c) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<endl #define show4(a,b,c,d) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<" : "<<#d<<" = "<<d<<endl #define show5(a,b,c,d,e) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<" : "<<#d<<" = "<<d<<" : "<<#e<<" = "<<e<<endl #define DEBUG_LINE cout << "DEBUG_LINE : " << __LINE__ << endl #define showv(v) {cout<<#v<<" : "; fore(vy , v) {cout << vy << " ";} cout << endl;} #define showv2(v) {cout<<#v<<endl; fore(vy , v) cout << vy << "\n";} #define showvm(v) {cout<<#v<<" : "; fore(vy , v) {cout << vy.val() << " ";} cout << endl;} #define showvm2(v) {cout<<#v<<endl; fore(vy , v) cout << vy.val() << "\n";} #define showmat(v) {cout<<#v<<endl; fore(row , v) { fore(seg , row) cout << seg << " "; cout << endl;}} #define showmatm(v) {cout<<#v<<endl; fore(row , v) { fore(seg , row) cout << seg.val() << " "; cout << endl;}} #else #define showp(p) #define show1(a) #define show2(a,b) #define show3(a,b,c) #define show4(a,b,c,d) #define show5(a,b,c,d,e) #define DEBUG_LINE #define showv(v) #define showv2(v) #define showvm(v) #define showvm2(v) #define showmat(v) #define showmatm(v) #endif #define overload5(a,b,c,d,e,f, ...) f #define show(...) overload5(__VA_ARGS__, show5, show4, show3, show2, show1)(__VA_ARGS__) template<typename T> struct LCA { int n, root, l; vector<vector<int>> to; vector<vector<T>> co; vector<int> dep; vector<T> costs; vector<vector<int>> par; LCA(int n):n(n),to(n),co(n),dep(n),costs(n) { l = 0; while ((1<<l) < n) ++l; par = vector<vector<int>>(n+1,vector<int>(l,n)); } void add_edge(int a, int b, T c=1) { to[a].push_back(b); co[a].push_back(c); to[b].push_back(a); co[b].push_back(c); } // par[x][0],dep,costsを計算 void _dfs(int v, int d=0, T c=0, int p=-1) { if (p != -1) par[v][0] = p; dep[v] = d; costs[v] = c; for (int i = 0; i < sz(to[v]); ++i) { int u = to[v][i]; if (u == p) continue; _dfs(u, d+1, c+co[v][i], v); } } void init(int _root=0) { root = _root; _dfs(root); for (int i = 0; i < l-1; ++i) { for (int v = 0; v < n; ++v) { par[v][i+1] = par[par[v][i]][i]; } } } int lca(int a,int b){ if (dep[a] > dep[b]) swap(a,b); int gap = dep[b]-dep[a]; for (int i = l-1; i >= 0; --i) { int len = 1<<i; if (gap >= len) { gap -= len; b = par[b][i]; } } if (a == b) return a; for (int i = l-1; i >= 0; --i) { int na = par[a][i]; int nb = par[b][i]; if (na != nb) a = na, b = nb; } return par[a][0]; } int getPar(int x,int k){ int now = x; rrep(i,30){ if ((k >> i & 1) == 1){ now = par[now][i]; } } return now; } int length(int a, int b) { int c = lca(a,b); return dep[a]+dep[b]-dep[c]*2; } T dist(int a, int b) { int c = lca(a,b); return costs[a]+costs[b]-costs[c]*2; } }; // 初期化方法 LCA<T> g(n) : nは頂点数、Tはコストのタイプ、注) 宣言 → add_edge → init の順で呼び出す // add_edge(a,b,c) : a,b間にコストcの辺をはる。cは省略可(1となる)。 // init() : ダブリングにより各頂点の2^i個上の親を計算。結果はpar[v][i]に入る。 // lca(a,b) : 頂点a,bのlcaを出力。 // getPar(x,k) : 頂点xの2^k上の祖先を出力。 // length(a,b) : 頂点a,b間の辺の数を出力。 // dist(a,b) : 頂点a,b間のコストを出力。 void solve(){ int n; cin>>n; vpii v(n); rep(i,n){ cin>>v[i].fi; v[i].se = i; } sort(rrng(v)); LCA<int> l(n); rep(i,n-1){ int a,b; cin>>a>>b; a--; b--; l.add_edge(a,b,1); } l.init(); vi ans(n); int r = 0; int x = -1,y = -1; auto f = [&](int np)->void{ if (x==-1){ x = y = np; return; } int d1 = l.dist(x,y); int d2 = l.dist(x,np); int d3 = l.dist(np,y); if (d1>=d2 && d1>=d3) return; if (d2 > d3){ y = np; }else{ x = np; } }; auto getMx = [&](int tar)->int{ return max(l.dist(x,tar), l.dist(y,tar)); }; rep(i,n){ while(r<n && v[r].fi==v[i].fi){ r++; } vi t; repx(j,i,r) t.pb(v[j].se); fore(y , t) f(y); fore(y , t){ ans[y] = getMx(y); } i = r-1; } fore(y , ans) cout << y << " "; cout << endl; return; } int main(){ ios::sync_with_stdio(false); cin.tie(0); int t = 1; //cin>>t; rep(i,t){ solve(); } return 0; }