結果
問題 | No.1796 木上のクーロン |
ユーザー | HIR180 |
提出日時 | 2021-12-25 20:56:23 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3,009 ms / 10,000 ms |
コード長 | 5,976 bytes |
コンパイル時間 | 6,092 ms |
コンパイル使用メモリ | 247,952 KB |
実行使用メモリ | 58,464 KB |
最終ジャッジ日時 | 2024-09-22 02:05:32 |
合計ジャッジ時間 | 32,488 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 44 ms
11,264 KB |
testcase_01 | AC | 45 ms
11,392 KB |
testcase_02 | AC | 44 ms
11,136 KB |
testcase_03 | AC | 44 ms
11,264 KB |
testcase_04 | AC | 44 ms
11,520 KB |
testcase_05 | AC | 45 ms
11,392 KB |
testcase_06 | AC | 44 ms
11,392 KB |
testcase_07 | AC | 44 ms
11,264 KB |
testcase_08 | AC | 45 ms
11,392 KB |
testcase_09 | AC | 46 ms
11,264 KB |
testcase_10 | AC | 45 ms
11,392 KB |
testcase_11 | AC | 45 ms
11,392 KB |
testcase_12 | AC | 45 ms
11,392 KB |
testcase_13 | AC | 46 ms
11,392 KB |
testcase_14 | AC | 45 ms
11,520 KB |
testcase_15 | AC | 47 ms
11,648 KB |
testcase_16 | AC | 46 ms
11,264 KB |
testcase_17 | AC | 45 ms
11,392 KB |
testcase_18 | AC | 45 ms
11,392 KB |
testcase_19 | AC | 45 ms
11,392 KB |
testcase_20 | AC | 200 ms
15,872 KB |
testcase_21 | AC | 200 ms
16,000 KB |
testcase_22 | AC | 421 ms
20,204 KB |
testcase_23 | AC | 445 ms
20,096 KB |
testcase_24 | AC | 699 ms
24,412 KB |
testcase_25 | AC | 703 ms
24,804 KB |
testcase_26 | AC | 1,072 ms
30,156 KB |
testcase_27 | AC | 1,115 ms
30,156 KB |
testcase_28 | AC | 2,918 ms
58,464 KB |
testcase_29 | AC | 3,009 ms
55,864 KB |
testcase_30 | AC | 368 ms
28,432 KB |
testcase_31 | AC | 457 ms
28,500 KB |
testcase_32 | AC | 1,384 ms
30,452 KB |
testcase_33 | AC | 1,978 ms
42,044 KB |
testcase_34 | AC | 2,073 ms
39,752 KB |
testcase_35 | AC | 2,304 ms
45,348 KB |
testcase_36 | AC | 2,372 ms
43,576 KB |
ソースコード
//Let's join Kaede Takagaki Fan Club !! #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <cstdio> #include <cstring> #include <cstdlib> #include <cmath> #include <ctime> #include <cassert> #include <string> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <functional> #include <iostream> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <cassert> #include <iomanip> #include <chrono> #include <random> #include <bitset> #include <complex> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <atcoder/convolution> using namespace std; using namespace atcoder; #define int long long //#define L __int128 typedef long long ll; typedef pair<int,int> P; typedef pair<int,P> P1; typedef pair<P,P> P2; #define pu push #define pb push_back #define eb emplace_back #define mp make_pair #define eps 1e-7 #define INF 1000000000 #define a first #define b second #define fi first #define sc second #define rng(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define rep(i,x) for(int i=0;i<x;i++) #define repn(i,x) for(int i=1;i<=x;i++) #define SORT(x) sort(x.begin(),x.end()) #define ERASE(x) x.erase(unique(x.begin(),x.end()),x.end()) #define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin()) #define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin()) #define all(x) x.begin(),x.end() #define si(x) int(x.size()) #ifdef LOCAL #define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl #else #define dmp(x) void(0) #endif template<class t,class u> bool chmax(t&a,u b){if(a<b){a=b;return true;}else return false;} template<class t,class u> bool chmin(t&a,u b){if(b<a){a=b;return true;}else return false;} template<class t> using vc=vector<t>; template<class t,class u> ostream& operator<<(ostream& os,const pair<t,u>& p){ return os<<"{"<<p.fi<<","<<p.sc<<"}"; } template<class t> ostream& operator<<(ostream& os,const vc<t>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } //https://codeforces.com/blog/entry/62393 struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } size_t operator()(pair<int,int> x)const{ return operator()(uint64_t(x.first)<<32|x.second); } }; //unordered_set -> dtype, null_type //unordered_map -> dtype(key), dtype(value) using namespace __gnu_pbds; template<class t,class u> using hash_table=gp_hash_table<t,u,custom_hash>; template<class T> void g(T &a){ cin >> a; } template<class T> void o(const T &a,bool space=false){ cout << a << (space?' ':'\n'); } //ios::sync_with_stdio(false); const ll mod = 998244353; //const ll mod = 1000000007; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); template<class T> void add(T&a,T b){ a+=b; if(a >= mod) a-=mod; } ll modpow(ll x,ll n){ ll res=1; while(n>0){ if(n&1) res=res*x%mod; x=x*x%mod; n>>=1; } return res; } #define _sz 1 ll F[_sz],R[_sz]; void make(){ F[0] = 1; for(int i=1;i<_sz;i++) F[i] = F[i-1]*i%mod; R[_sz-1] = modpow(F[_sz-1], mod-2); for(int i=_sz-2;i>=0;i--) R[i] = R[i+1] * (i+1) % mod; } vc<int>edge[250005]; bool rem[250005]; P farch[250005]; ll ans[250005]; ll dist[250005]; int num[250005]; int rev[250005]; int up[250005]; P make(int v, int u, int d){ up[v] = u; farch[v] = mp(d, v); for(int i=0;i<edge[v].size();i++){ int v2=edge[v][i]; if(rem[v2] || v2==u) continue; auto x = make(v2,v,d+1); chmax(farch[v], x); } return farch[v]; } vc<int>zan; int C; void dfs2(int v,int u,ll L){ dist[v] = L; zan.pb(v); ans[v] += num[C] * rev[L+1] % mod * (mod+1) / 2 % mod; ans[C] += num[v] * rev[L+1] % mod * (mod+1) / 2 % mod; for(int i=0;i<edge[v].size();i++){ if(edge[v][i] == u) continue; if(rem[edge[v][i]]) continue; dfs2(edge[v][i], v, L+1); } } void sol(int v){ auto z = make(v,-1,0); z = make(z.b,-1,0); int cent=z.b; rep(_, z.a/2) cent = up[cent]; ans[cent] += num[cent]; rem[cent]=true; C = cent; vc<int>cur((z.a+1)/2+1, 0); int all = (z.a+1)/2; vc<int>igata; int pre = 0; for(int i=0;i<edge[cent].size();i++) { if(rem[edge[cent][i]]) continue; zan.clear(); dfs2(edge[cent][i],cent,1); int mx = 0; for(auto v:zan) chmax(mx, dist[v]); if(igata.size() < pre+mx+1){ int sz = igata.size(); igata.resize(pre+mx+1); for(int p=sz;p<=pre+mx;p++) igata[p] = (rev[p+1]); } chmax(pre, mx); auto now = convolution(igata, cur); for(auto v:zan){ add(cur[all - dist[v]], num[v]); ans[v] += now[all+dist[v]]; } } for(auto &e:cur) e = 0; igata.clear(); pre = 0; for(int i=edge[cent].size()-1;i>=0;i--) { if(rem[edge[cent][i]]) continue; zan.clear(); dfs2(edge[cent][i],cent,1); int mx = 0; for(auto v:zan) chmax(mx, dist[v]); if(igata.size() < pre+mx+1){ int sz = igata.size(); igata.resize(pre+mx+1); for(int p=sz;p<=pre+mx;p++) igata[p] = (rev[p+1]); } chmax(pre, mx); auto now = convolution(igata, cur); for(auto v:zan){ add(cur[all - dist[v]], num[v]); ans[v] += now[all+dist[v]]; } } for(int i=0;i<edge[cent].size();i++) if(!rem[edge[cent][i]]) sol(edge[cent][i]); rem[cent]=false; } void solve(){ rep(i, 250000) rev[i] = modpow(i, 2*mod-4); int n; cin >> n; repn(i, n) cin >> num[i]; rep(i, n-1){ int u, v; cin >> u >> v; edge[u].pb(v); edge[v].pb(u); } repn(i, n) shuffle(edge[i].begin(), edge[i].end(), mt); sol(1); int k0 = 1; repn(i, n){ k0 = k0*i%mod*i%mod; } repn(i, n){ ans[i] = (ans[i]%mod+mod)%mod*k0%mod; o(ans[i]); } } signed main(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20); int t; t = 1; //cin >> t; while(t--) solve(); }