結果
問題 | No.1030 だんしんぐぱーりない |
ユーザー | suta28407928 |
提出日時 | 2020-04-18 00:38:58 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 532 ms / 2,000 ms |
コード長 | 4,817 bytes |
コンパイル時間 | 1,118 ms |
コンパイル使用メモリ | 103,008 KB |
実行使用メモリ | 26,112 KB |
最終ジャッジ日時 | 2024-10-03 17:21:17 |
合計ジャッジ時間 | 14,777 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 4 ms
7,168 KB |
testcase_01 | AC | 5 ms
7,168 KB |
testcase_02 | AC | 5 ms
7,268 KB |
testcase_03 | AC | 4 ms
7,168 KB |
testcase_04 | AC | 4 ms
7,164 KB |
testcase_05 | AC | 368 ms
23,040 KB |
testcase_06 | AC | 317 ms
19,200 KB |
testcase_07 | AC | 209 ms
12,032 KB |
testcase_08 | AC | 218 ms
14,464 KB |
testcase_09 | AC | 308 ms
23,936 KB |
testcase_10 | AC | 142 ms
9,432 KB |
testcase_11 | AC | 352 ms
15,688 KB |
testcase_12 | AC | 315 ms
21,120 KB |
testcase_13 | AC | 278 ms
20,096 KB |
testcase_14 | AC | 397 ms
19,584 KB |
testcase_15 | AC | 184 ms
9,600 KB |
testcase_16 | AC | 328 ms
17,408 KB |
testcase_17 | AC | 291 ms
23,936 KB |
testcase_18 | AC | 434 ms
20,708 KB |
testcase_19 | AC | 227 ms
11,264 KB |
testcase_20 | AC | 256 ms
15,232 KB |
testcase_21 | AC | 258 ms
18,244 KB |
testcase_22 | AC | 260 ms
15,616 KB |
testcase_23 | AC | 323 ms
14,976 KB |
testcase_24 | AC | 254 ms
11,136 KB |
testcase_25 | AC | 301 ms
15,488 KB |
testcase_26 | AC | 192 ms
8,320 KB |
testcase_27 | AC | 222 ms
8,832 KB |
testcase_28 | AC | 364 ms
17,664 KB |
testcase_29 | AC | 227 ms
20,992 KB |
testcase_30 | AC | 231 ms
16,000 KB |
testcase_31 | AC | 248 ms
14,976 KB |
testcase_32 | AC | 332 ms
19,328 KB |
testcase_33 | AC | 325 ms
22,016 KB |
testcase_34 | AC | 144 ms
10,240 KB |
testcase_35 | AC | 529 ms
26,112 KB |
testcase_36 | AC | 506 ms
26,084 KB |
testcase_37 | AC | 530 ms
25,984 KB |
testcase_38 | AC | 532 ms
26,096 KB |
testcase_39 | AC | 529 ms
25,984 KB |
testcase_40 | AC | 5 ms
7,168 KB |
testcase_41 | AC | 5 ms
7,168 KB |
ソースコード
#include <iostream> #include <string> #include <cstdlib> #include <cmath> #include <vector> #include <map> #include <set> #include <algorithm> #include <queue> #include <stack> #include <functional> #include <bitset> #include <assert.h> 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 vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(ll 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; const ll linf = 1LL<<62; const int MAX = 510000; ll dy[8] = {0,1,0,-1,1,-1,1,-1}; ll dx[8] = {1,0,-1,0,1,-1,-1,1}; const double pi = acos(-1); const double eps = 1e-7; 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 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"; } const int mod = 1e9 + 7; //const int mod = 998244353; vvl G(101010); vl c(101010); vl a(101010); struct LCA{ ll logv = 0; ll root = 0; vl depth; vvl parent; LCA(ll n, ll r){ root = r; while(1LL<<logv < n){ logv++; } depth.resize(n,0); parent.resize(logv+1); rep(i,logv+1) parent[i].resize(n,-1); dfs(root,-1,0); rep(i,logv){ rep(j,n){ if(parent[i][j] < 0) parent[i+1][j] = -1; else parent[i+1][j] = parent[i][parent[i][j]]; } } } void dfs(ll u, ll p, ll d){ parent[0][u] = p; depth[u] = d; for(auto v : G[u]){ if(v != p){ chmax(c[v],c[u]); dfs(v,u,d+1); } } } ll lca(ll u, ll v){ if(u==-1 || v==-1) return max(u,v); if(depth[u] > depth[v]) swap(u,v); rep(i,logv){ if((depth[v] - depth[u]) >> i & 1) v = parent[i][v]; } if(u == v) return u; for(ll i=logv-1; i>=0; i--){ if(parent[i][u] != parent[i][v]){ u = parent[i][u]; v = parent[i][v]; } } return parent[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; } }; int main(){ ll n,k,q; cin >> n >> k >> q; rep(i,n) cin >> c[i]; rep(i,k) cin >> a[i], a[i]--; rep(i,n-1){ ll e,f; cin >> e >> f; e--; f--; G[f].push_back(e); } LCA lc(n,0); SegmentTree<ll> seg(k,[&lc](ll a, ll b){return lc.lca(a,b);},-1); rep(i,k) seg.update(i,a[i]); while(q--){ ll t,x,y; cin >> t >> x >> y; x--; y--; if(t==1) seg.update(x,y); else cout << c[seg.query(x,y+1)] << "\n"; } }