結果
問題 | No.1030 だんしんぐぱーりない |
ユーザー | noimi |
提出日時 | 2020-04-17 22:39:13 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 184 ms / 2,000 ms |
コード長 | 7,550 bytes |
コンパイル時間 | 2,561 ms |
コンパイル使用メモリ | 193,640 KB |
実行使用メモリ | 16,128 KB |
最終ジャッジ日時 | 2024-10-03 14:19:49 |
合計ジャッジ時間 | 7,886 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 40 |
コンパイルメッセージ
main.cpp:20: warning: "vec2ll" redefined 20 | #define vec2ll(a,b,c) vector<vecll>(a,vecll(b,c)) | main.cpp:19: note: this is the location of the previous definition 19 | #define vec2ll(a,b) vector<vecll>(a,vecll(b)) |
ソースコード
#pragma region Macros #pragma GCC optimize("O3") #include <bits/stdc++.h> #define ll long long #define ld long double #define rep2(i,a,b) for(ll i=a;i<=b;++i) #define rep(i,n) for(ll i=0;i<n;i++) #define rep3(i,a,b) for(ll i=a;i>=b;i--) #define pii pair<int,int> #define pll pair<ll,ll> #define pq priority_queue #define pb push_back #define eb emplace_back #define vec vector<int> #define vecll vector<ll> #define vecpii vector<pii> #define vecpll vector<pll> #define vec2(a,b) vector<vec>(a,vec(b)) #define vec2ll(a,b) vector<vecll>(a,vecll(b)) #define vec2ll(a,b,c) vector<vecll>(a,vecll(b,c)) #define vec3(a,b,c) vector<vector<vec>>(a,vec2(b,c)) #define vec3ll(a,b,c) vector<vector<vecll>>(a,vec2ll(b,c)) #define fi first #define se second #define all(c) begin(c),end(c) #define ios ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0); #define lb(c,x) distance(c.begin(),lower_bound(all(c),(x))) #define ub(c,x) distance(c.begin(),upper_bound(all(c),(x))) using namespace std; int in() {int x;cin>>x;return x;} ll lin() {ll x;cin>>x;return x;} string stin() {string s;cin>>s;return s;} template<class T> inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;} template<class T> inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;} vec iota(int n){vec a(n);iota(all(a),0);return a;} void print(){putchar(' ');} void print(bool a){cout<<a;} void print(int a){cout<<a;} void print(long long a){cout<<a;} void print(char a){cout<<a;} void print(string &a){cout<<a;} void print(double a){cout<<a;} template<class T> void print(const vector<T>&); template<class T, size_t size> void print(const array<T, size>&); template<class T, class L> void print(const pair<T, L>& p); template<class T, size_t size> void print(const T (&)[size]); template<class T> void print(const vector<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ cout<<" "; print(*i); } cout<<endl;} template<class T> void print(const deque<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ cout<<" "; print(*i); } } template<class T, size_t size> void print(const array<T, size>& a){ print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ cout<<" "; print(*i); } } template<class T, class L> void print(const pair<T, L>& p){ cout<<'(';print(p.first); cout<<","; print(p.second);cout<<')'; } template<class T, size_t size> void print(const T (&a)[size]){ print(a[0]); for(auto i = a; ++i != end(a); ){ cout<<" "; print(*i); } } template<class T> void print(const T& a){ cout << a; } int out(){ putchar('\n'); return 0; } template<class T> int out(const T& t){ print(t); putchar('\n'); return 0; } template<class Head, class... Tail> int out(const Head& head, const Tail&... tail){ print(head); putchar(' '); out(tail...); return 0; } ll gcd(ll a, ll b){ while(b){ ll c = b; b = a % b; a = c; } return a; } ll lcm(ll a, ll b){ if(!a || !b) return 0; return a * b / gcd(a, b); } #define _GLIBCXX_DEBU #define endl '\n' #ifdef _MY_DEBUG #undef endl #define debug(x) cout<<#x<<": "<<x<<endl void err(){} template<class T> void err(const T& t){ print(t); cout<<" ";} template<class Head, class... Tail> void err(const Head& head, const Tail&... tail){ print(head); putchar(' '); out(tail...); } #else #define debug(x) template<class... T> void err(const T&...){} #endif #pragma endregion template< typename G > struct DoublingLowestCommonAncestor { const int LOG; vector< int > dep; const G &g; vector< vector< int > > table; DoublingLowestCommonAncestor(const G &_g) : g(_g), dep(_g.size()), LOG(32 - __builtin_clz(_g.size())) { table.assign(LOG, vector< int >(_g.size(), -1)); } void dfs(int idx, int par, int d) { table[0][idx] = par; dep[idx] = d; for(auto &to : g[idx]) { if(to != par) dfs(to, idx, d + 1); } } void build() { dfs(0, -1, 0); for(int k = 0; k + 1 < LOG; k++) { for(int i = 0; i < table[k].size(); i++) { if(table[k][i] == -1) table[k + 1][i] = -1; else table[k + 1][i] = table[k][table[k][i]]; } } } int query(int u, int v) { if(dep[u] > dep[v]) swap(u, v); for(int i = LOG - 1; i >= 0; i--) { if(((dep[v] - dep[u]) >> i) & 1) v = table[i][v]; } if(u == v) return u; for(int i = LOG - 1; i >= 0; i--) { if(table[i][u] != table[i][v]) { u = table[i][u]; v = table[i][v]; } } return table[0][u]; } }; template< typename Monoid > struct SegmentTree { using F = function< Monoid(Monoid, Monoid) >; int sz; vector< Monoid > seg; const F f; const Monoid M1; SegmentTree(int n, const F _f, const Monoid &_M1) : f(_f), M1(_M1) { sz = 1; while(sz < n) sz <<= 1; seg.assign(2 * sz, M1); } void set(int k, const Monoid &x) { seg[k + sz] = x; } void build() { for(int k = sz - 1; k > 0; k--) { seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]); } } void update(int k, const Monoid &x) { k += sz; seg[k] = x; while(k >>= 1) { seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]); } } Monoid query(int a, int b) { Monoid L = M1, R = M1; for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) { if(a & 1) L = f(L, seg[a++]); if(b & 1) R = f(seg[--b], R); } return f(L, R); } Monoid operator[](const int &k) const { return seg[k + sz]; } template< typename C > int find_subtree(int a, const C &check, Monoid &M, bool type) { while(a < sz) { Monoid nxt = type ? f(seg[2 * a + type], M) : f(M, seg[2 * a + type]); if(check(nxt)) a = 2 * a + type; else M = nxt, a = 2 * a + 1 - type; } return a - sz; } template< typename C > int find_first(int a, const C &check) { Monoid L = M1; if(a <= 0) { if(check(f(L, seg[1]))) return find_subtree(1, check, L, false); return -1; } int b = sz; for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) { if(a & 1) { Monoid nxt = f(L, seg[a]); if(check(nxt)) return find_subtree(a, check, L, false); L = nxt; ++a; } } return -1; } template< typename C > int find_last(int b, const C &check) { Monoid R = M1; if(b >= sz) { if(check(f(seg[1], R))) return find_subtree(1, check, R, true); return -1; } int a = sz; for(b += sz; a < b; a >>= 1, b >>= 1) { if(b & 1) { Monoid nxt = f(seg[--b], R); if(check(nxt)) return find_subtree(b, check, R, true); R = nxt; } } return -1; } }; constexpr int N = 300010; //それ、オーバーフローしない?!?! constexpr ll INF = 1e16; signed main(){ ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);cout<<fixed<<setprecision(15); int n=in(),k=in(),q=in(); vec c;rep(i,n)c.pb(in()); vec a; rep(i,k)a.pb(in()-1); vector<vec> g(n); rep(i,n-1){ int x=in()-1,y=in()-1; g[y].pb(x); } DoublingLowestCommonAncestor<vector<vec>> lca(g); lca.build(); SegmentTree<int> seg(k,[&](int x,int y){if(x==-1)return y;if(y==-1)return x;return lca.query(x,y);},-1); rep(i,k)seg.set(i,a[i]); seg.build(); auto dfs=[&](auto &f,int x,int t)->void{ chmax(c[x],t); for(auto e:g[x]) f(f,e,c[x]); }; dfs(dfs,0,0); while(q--){ int id=in(); if(id==1){ int x=in()-1,y=in()-1; seg.update(x,y); } else{ int l=in()-1,r=in(); cout << c[seg.query(l,r)] << endl; } } }