oj.uz

Submission #1094098

# Submission time Handle Problem Language Result Execution time Memory
1094098 2024-09-28T12:17:33 Z 0pt1mus23 Klasika (COCI20_klasika) C++14
33 / 110
 1051 ms 501988 KB 
#include <bits/stdc++.h>
using namespace std;
#define needforspeed ios::sync_with_stdio(0);cin.tie(0);
#define int long long int
#define pb push_back
#define ins insert
#define endl '\n'
#define putr(x) cout<<x<<endl;return;
#define all(x) x.begin(),x.end()
#define _ << " " <<
const int mod = 1e9 +7,sze = 1e6 +23,inf = INT_MAX, L = 31; 
int T[sze][2];
set<int> fener[sze][2];
int tnod = 1;
int discover[sze];
int finish[sze];
vector<pair<int,int>> graph[sze];
 
void add(int node,int bit,int val,int gir){
    if(bit<0){
        return;
    }
    int x =0;
    if(val & (1<<bit)){
        x=1;
    }
    if(T[node][x]==0){
       T[node][x]= ( ++tnod);
    }
    // cout<<bit<<" added "<<val<<" "<<x<<endl;
    fener[node][x].ins(gir);
    add(T[node][x],bit-1,val,gir);
}
int timer =0;
int pref[sze];
void dfs(int node,int par,int px){
    discover[node]=++timer;
    pref[node]=px;
    for(auto v:graph[node]){
        if(v.first!=par){
            dfs(v.first,node,px ^ v.second);
        }
    }
    finish[node]=++timer;   
}
 
int qry(int node,int bit,int val,int l,int r){
    if(bit<0){
        return 0;
    }
    int lazim =1;
    if(val & (1<<bit)){
        lazim=0;
    }
    // cout<<bit<<" "<<val<<" "<<lazim<<" "<<T[node][lazim]<<endl;
    if(T[node][lazim] && fener[node][lazim].lower_bound(l) != fener[node][lazim].upper_bound(r)){
        return (1<<bit) + qry(T[node][lazim],bit-1,val,l,r);
    }
    else{
        return qry(T[node][1 - lazim],bit-1,val,l,r);
    }
}
void opt1z(){
    int q;
    cin>>q;
    int nodec =2;
    vector<pair<int, pair<int,int>>> queries;
    for(int i=0;i<q;i++){
        string op;cin>>op;
        int a,b;
        cin>>a>>b;
        if(op=="Add"){
            graph[a].pb({nodec,b});
            graph[nodec].pb({a,b});
            queries.pb({0,{nodec,b}});
            nodec++;
        }
        else{
            queries.pb({1,{a,b}});
        }
    }
    dfs(1,-1,0);
    add(1,L,0,discover[1]);
    // cout<<pref[2]<<endl;
    for(auto v:queries){
        auto [a,b] = v.second;
        if(v.first ==0){
            add(1,L,pref[a],discover[a]);
        }
        else{
            // cout<<"sa"<<endl;
            cout<<qry(1,L,pref[a],discover[b],finish[b])<<endl;
        }
    }
}
 
signed main() {
    needforspeed;
 
    int tt = 1;
    // cin>>tt;
    while(tt--){
        opt1z();
    }
 
    return 0;
}

Compilation message

klasika.cpp: In function 'void opt1z()':
klasika.cpp:86:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   86 |         auto [a,b] = v.second;
      |              ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 117852 KB Output is correct
2 Correct 60 ms 117840 KB Output is correct
3 Correct 51 ms 118096 KB Output is correct
4 Correct 66 ms 118180 KB Output is correct
5 Correct 51 ms 117840 KB Output is correct
6 Correct 48 ms 118048 KB Output is correct
7 Correct 48 ms 118360 KB Output is correct
8 Correct 61 ms 117996 KB Output is correct
9 Correct 50 ms 117844 KB Output is correct
10 Correct 52 ms 117852 KB Output is correct
11 Correct 51 ms 118100 KB Output is correct
12 Correct 50 ms 117996 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 117852 KB Output is correct
2 Correct 60 ms 117840 KB Output is correct
3 Correct 51 ms 118096 KB Output is correct
4 Correct 66 ms 118180 KB Output is correct
5 Correct 51 ms 117840 KB Output is correct
6 Correct 48 ms 118048 KB Output is correct
7 Correct 48 ms 118360 KB Output is correct
8 Correct 61 ms 117996 KB Output is correct
9 Correct 50 ms 117844 KB Output is correct
10 Correct 52 ms 117852 KB Output is correct
11 Correct 51 ms 118100 KB Output is correct
12 Correct 50 ms 117996 KB Output is correct
13 Correct 53 ms 118564 KB Output is correct
14 Correct 50 ms 119380 KB Output is correct
15 Correct 56 ms 120148 KB Output is correct
16 Correct 55 ms 120976 KB Output is correct
17 Correct 67 ms 118608 KB Output is correct
18 Correct 58 ms 119452 KB Output is correct
19 Correct 70 ms 120092 KB Output is correct
20 Correct 59 ms 120916 KB Output is correct
21 Correct 51 ms 118600 KB Output is correct
22 Correct 54 ms 119372 KB Output is correct
23 Correct 58 ms 120268 KB Output is correct
24 Correct 52 ms 120852 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 711 ms 198620 KB Output is correct
2 Runtime error 1051 ms 501988 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 117852 KB Output is correct
2 Correct 60 ms 117840 KB Output is correct
3 Correct 51 ms 118096 KB Output is correct
4 Correct 66 ms 118180 KB Output is correct
5 Correct 51 ms 117840 KB Output is correct
6 Correct 48 ms 118048 KB Output is correct
7 Correct 48 ms 118360 KB Output is correct
8 Correct 61 ms 117996 KB Output is correct
9 Correct 50 ms 117844 KB Output is correct
10 Correct 52 ms 117852 KB Output is correct
11 Correct 51 ms 118100 KB Output is correct
12 Correct 50 ms 117996 KB Output is correct
13 Correct 53 ms 118564 KB Output is correct
14 Correct 50 ms 119380 KB Output is correct
15 Correct 56 ms 120148 KB Output is correct
16 Correct 55 ms 120976 KB Output is correct
17 Correct 67 ms 118608 KB Output is correct
18 Correct 58 ms 119452 KB Output is correct
19 Correct 70 ms 120092 KB Output is correct
20 Correct 59 ms 120916 KB Output is correct
21 Correct 51 ms 118600 KB Output is correct
22 Correct 54 ms 119372 KB Output is correct
23 Correct 58 ms 120268 KB Output is correct
24 Correct 52 ms 120852 KB Output is correct
25 Correct 711 ms 198620 KB Output is correct
26 Runtime error 1051 ms 501988 KB Execution killed with signal 11
27 Halted 0 ms 0 KB -