結果
問題 | No.1641 Tree Xor Query |
ユーザー | suta28407928 |
提出日時 | 2021-08-06 22:27:43 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 336 ms / 5,000 ms |
コード長 | 5,647 bytes |
コンパイル時間 | 2,803 ms |
コンパイル使用メモリ | 193,644 KB |
実行使用メモリ | 18,448 KB |
最終ジャッジ日時 | 2024-09-17 02:31:27 |
合計ジャッジ時間 | 4,960 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 333 ms
18,448 KB |
testcase_14 | AC | 336 ms
18,432 KB |
testcase_15 | AC | 7 ms
6,940 KB |
testcase_16 | AC | 19 ms
6,944 KB |
testcase_17 | AC | 13 ms
6,940 KB |
testcase_18 | AC | 10 ms
6,940 KB |
testcase_19 | AC | 10 ms
6,940 KB |
testcase_20 | AC | 223 ms
13,960 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; #define DEBUG #ifdef DEBUG template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; for(int i = 0; i < (int)v.size(); i++) { if(i) { os << ','; } os << v[i]; } os << '}'; return os; } void debugg() { cerr << endl; } template <class T, class... Args> void debugg(const T &x, const Args &... args) { cerr << " " << x; debugg(args...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<char> vc; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<double> vd; typedef pair<ll,ll> P; typedef pair<int,int> pii; typedef vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = (1<<30)-1; const ll linf = 1LL<<61; const int MAX = 510000; //int dy[8] = {0,1,0,-1,1,-1,-1,1}; //int dx[8] = {-1,0,1,0,1,-1,1,-1}; const double pi = acos(-1); const double eps = 1e-8; template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){ if(a<b){ a = b; return true; } else return false; } template<typename T> inline void print(T &a){ int sz = a.size(); for(auto itr = a.begin(); itr != a.end(); itr++){ cout << *itr; sz--; if(sz) cout << " "; } cout << "\n"; } template<typename T1,typename T2> inline void print2(T1 a, T2 b){ cout << a << " " << b << "\n"; } template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } void mark() {cout << "#" << "\n";} ll pcount(ll x) {return __builtin_popcountll(x);} //const int mod = 1e9 + 7; const int mod = 998244353; template<typename Monoid> struct Segtree { using F = function<Monoid(Monoid, Monoid)>; int sz; vector<Monoid> seg; const F f; const Monoid M; Segtree(int n, const F f, const Monoid &M) : f(f), M(M){ sz = 1; while(sz < n) sz <<= 1; seg.assign(2*sz, M); } 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], 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], seg[2*k+1]); } } Monoid query(int a, int b){ Monoid L = M, R = M; 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 &M0, bool type){ while(a < sz){ Monoid nxt = type ? f(seg[2*a+type],M0) : f(M0,seg[2*a+type]); if(check(nxt)) a = 2 * a + type; else M0 = nxt, a = 2 * a + 1 - type; } return a - sz; } template<typename C> int find_first(int a, const C &check){ Monoid L = M; 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 = M; 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; } }; int main(){ int n,q; cin >> n >> q; vvl G(n); vl c(n); rep(i,n) cin >> c[i]; rep(i,n-1){ int a,b; cin >> a >> b; a--; b--; G[a].push_back(b); G[b].push_back(a); } vl in(n), out(n); int k = 0; auto et = [&](auto &&et, int u, int p) -> void { in[u] = k++; for(auto v : G[u]){ if(v == p) continue; et(et,v,u); } out[u] = k++; }; et(et,0,-1); Segtree<int> seg(k,[](int a, int b){return a^b;},0); rep(i,n){ seg.set(in[i],c[i]); } seg.build(); while(q--){ int t,x,y; cin >> t >> x >> y; x--; if(t == 1){ seg.update(in[x],seg[in[x]]^y); }else{ cout << seg.query(in[x],out[x]) << "\n"; } } }