/*
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
*/
#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
using namespace std;
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int>vi;
typedef vector<vector<int>>vvi;
typedef vector<ll>vl;
typedef vector<vl> vvl;
typedef pair<int,int>pi;
typedef pair<ll,ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld,ld> pld;
typedef vector<pi> vpi;
//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T> ostream& operator<<(ostream& os, vector<T>& a){os<<"[";for(int i=0; i<ll(a.size()); i++){os << a[i] << ((i!=ll(a.size()-1)?" ":""));}os << "]\n"; return os;}
#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define outfl(x){cout << x << endl;return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define pb push_back
#define umap unordered_map
template<typename T>
void read(vector<T>& v){
int n=v.size();
for(int i=0; i<n; i++)
cin >> v[i];
}
template<typename T>
vector<T>UNQ(vector<T>a){
vector<T>ans;
for(T t:a)
if(ans.empty() || t!=ans.back())
ans.push_back(t);
return ans;
}
void solve();
int main(){
GLHF;
int t=1;
//cin >> t;
while(t--)
solve();
}
ll n,m;
vvi g;
vl a;
vvl lazy;
vi up,D;
const int MAX_D = 40;
void dfs(int x,int p){
for(int nbr:g[x])
if(nbr!=p)
up[nbr]=x,dfs(nbr,x);
}
ll qur(int x){
int xx=x;
for(int d=0; d<=MAX_D && x!=-1; d++){
if(D[x]>=d)
return 0;
x=up[x];
}
return a[xx];
}
void upd(ll x,ll d,ll w){
for(; d>=0 && x!=-1; d--){
D[x] = max(1ll*D[x],d);
x=up[x];
}
}
void solve() {
cin >> n >> m;
g.resize(n+1);
for(int i=0; i<n-1; i++){
int u,v;
cin >> u >> v;
g[u].pb(v);
g[v].pb(u);
}
a.resize(n+1);
for(int i=1; i<=n; i++)
cin >> a[i];
D.resize(n+1,-1e9);
up.resize(n+1,-1);
lazy.resize(n+1,vl(MAX_D + 1, 1));
dfs(1,-1);
int q;
cin >> q;
while(q--){
int op;
cin >> op;
if(op==2){
int x;
cin >> x;
cout << qur(x) << endl;
}
else{
ll x,d,w;
cin >> x >> d >> w;
upd(x,d,w);
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
719 ms |
102568 KB |
Output is correct |
3 |
Correct |
593 ms |
101188 KB |
Output is correct |
4 |
Correct |
579 ms |
101052 KB |
Output is correct |
5 |
Correct |
578 ms |
93992 KB |
Output is correct |
6 |
Correct |
525 ms |
94072 KB |
Output is correct |
7 |
Correct |
493 ms |
94172 KB |
Output is correct |
8 |
Correct |
444 ms |
94916 KB |
Output is correct |
9 |
Correct |
719 ms |
100168 KB |
Output is correct |
10 |
Correct |
527 ms |
102496 KB |
Output is correct |
11 |
Correct |
710 ms |
93644 KB |
Output is correct |
12 |
Correct |
534 ms |
94588 KB |
Output is correct |
13 |
Correct |
449 ms |
95376 KB |
Output is correct |
14 |
Correct |
442 ms |
96060 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
320 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |