oj.uz

Submission #223334

# Submission time Handle Problem Language Result Execution time Memory
223334 2020-04-15T07:22:11 Z errorgorn Klasika (COCI20_klasika) C++14
33 / 110
 5000 ms 69004 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ll,ii>
#define endl '\n'

struct node{
	int s,e,m;
	vector<int> val;
	
	node *l,*r;
	
	node (int _s,int _e){
		s=_s,e=_e,m=s+e>>1;
		
		if (s!=e){
			l=new node(s,m);
			r=new node(m+1,e);
		}
	}
	
	void update(int i,int j){
		val.push_back(j);
		if (s==e) return;
		else if (i<=m) l->update(i,j);
		else r->update(i,j);
	}
	
	int query(int i,int j,int k){
		if (s==i && e==j){
			int ans=0;
			for (auto &it:val) ans=max(ans,it^k);
			return ans;
		}
		else if (j<=m) return l->query(i,j,k);
		else if (m<i) return r->query(i,j,k);
		else return max(l->query(i,m,k),r->query(m+1,j,k));
	}
}*root=new node(0,300005);

struct Q{
	char t;
	int a,b;
	
	Q (char _t,int _a,int _b){
		t=_t,a=_a,b=_b;
	}
};

int n;
vector<int> al[300005];
int val[300005];
int in[300005];
int out[300005];

int DFS_TIME=0;
void dfs(int i,int p){
	in[i]=++DFS_TIME;
	for (auto &it:al[i]){
		if (it==p) continue;
		
		dfs(it,i);
	}
	out[i]=DFS_TIME;
}

vector<Q> queries;

int main(){	
	ios::sync_with_stdio(0);
    cin.tie(0);
	
	cin>>n;
	
	string s;
	int a,b;
	for (int x=0;x<n;x++){
		cin>>s>>a>>b;
		queries.push_back(Q(s[0],a,b));
	}
	
	int index=2;
	for (auto &it:queries){
		if (it.t=='A'){
			al[it.a].push_back(index);
			al[index].push_back(it.a);
			
			val[index]=val[it.a]^it.b;
			index++;
		}
	}
	
	dfs(1,-1);
	
	//for (int x=1;x<index;x++) cout<<val[x]<<" "<<in[x]<<" "<<out[x]<<endl;
	root->update(in[1],val[1]); //oof

	index=2;
	for (auto &it:queries){
		if (it.t=='A'){
			//cout<<in[index]<<" "<<val[index]<<endl;
			root->update(in[index],val[index]);
			index++;
		}
		else{
			//cout<<in[it.b]<<" "<<out[it.b]<<" "<<val[it.a]<<endl;
			cout<<root->query(in[it.b],out[it.b],val[it.a])<<endl;
		}
	}
}

Compilation message

klasika.cpp: In constructor 'node::node(int, int)':
klasika.cpp:15:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   s=_s,e=_e,m=s+e>>1;
               ~^~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 44928 KB Output is correct
2 Correct 41 ms 44920 KB Output is correct
3 Correct 42 ms 44920 KB Output is correct
4 Correct 47 ms 45056 KB Output is correct
5 Correct 41 ms 45048 KB Output is correct
6 Correct 40 ms 44920 KB Output is correct
7 Correct 39 ms 44920 KB Output is correct
8 Correct 44 ms 45048 KB Output is correct
9 Correct 41 ms 44920 KB Output is correct
10 Correct 41 ms 45048 KB Output is correct
11 Correct 41 ms 44920 KB Output is correct
12 Correct 41 ms 45048 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 44928 KB Output is correct
2 Correct 41 ms 44920 KB Output is correct
3 Correct 42 ms 44920 KB Output is correct
4 Correct 47 ms 45056 KB Output is correct
5 Correct 41 ms 45048 KB Output is correct
6 Correct 40 ms 44920 KB Output is correct
7 Correct 39 ms 44920 KB Output is correct
8 Correct 44 ms 45048 KB Output is correct
9 Correct 41 ms 44920 KB Output is correct
10 Correct 41 ms 45048 KB Output is correct
11 Correct 41 ms 44920 KB Output is correct
12 Correct 41 ms 45048 KB Output is correct
13 Correct 42 ms 45176 KB Output is correct
14 Correct 43 ms 45176 KB Output is correct
15 Correct 42 ms 45304 KB Output is correct
16 Correct 43 ms 45440 KB Output is correct
17 Correct 47 ms 45176 KB Output is correct
18 Correct 43 ms 45176 KB Output is correct
19 Correct 42 ms 45304 KB Output is correct
20 Correct 42 ms 45304 KB Output is correct
21 Correct 41 ms 45048 KB Output is correct
22 Correct 41 ms 45176 KB Output is correct
23 Correct 50 ms 45304 KB Output is correct
24 Correct 43 ms 45304 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 3843 ms 59096 KB Output is correct
2 Execution timed out 5083 ms 69004 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 44928 KB Output is correct
2 Correct 41 ms 44920 KB Output is correct
3 Correct 42 ms 44920 KB Output is correct
4 Correct 47 ms 45056 KB Output is correct
5 Correct 41 ms 45048 KB Output is correct
6 Correct 40 ms 44920 KB Output is correct
7 Correct 39 ms 44920 KB Output is correct
8 Correct 44 ms 45048 KB Output is correct
9 Correct 41 ms 44920 KB Output is correct
10 Correct 41 ms 45048 KB Output is correct
11 Correct 41 ms 44920 KB Output is correct
12 Correct 41 ms 45048 KB Output is correct
13 Correct 42 ms 45176 KB Output is correct
14 Correct 43 ms 45176 KB Output is correct
15 Correct 42 ms 45304 KB Output is correct
16 Correct 43 ms 45440 KB Output is correct
17 Correct 47 ms 45176 KB Output is correct
18 Correct 43 ms 45176 KB Output is correct
19 Correct 42 ms 45304 KB Output is correct
20 Correct 42 ms 45304 KB Output is correct
21 Correct 41 ms 45048 KB Output is correct
22 Correct 41 ms 45176 KB Output is correct
23 Correct 50 ms 45304 KB Output is correct
24 Correct 43 ms 45304 KB Output is correct
25 Correct 3843 ms 59096 KB Output is correct
26 Execution timed out 5083 ms 69004 KB Time limit exceeded
27 Halted 0 ms 0 KB -