oj.uz

Submission #844518

# Submission time Handle Problem Language Result Execution time Memory
844518 2023-09-05T13:47:57 Z vjudge1 Klasika (COCI20_klasika) C++17
33 / 110
 5000 ms 10776 KB 
#include <bits/stdc++.h>
#define endl "\n"
#define pb push_back
#define int long long
using namespace std;

const int inf = 2e18 + 5;
const int N = 2e5 + 5;
const int mod = 1e9 + 7;

vector<pair<int, int> > adj[N];
vector<int> child[N];
map<int,int> vis;
vector<pair<int,int> > val;

void dfs(int node, int ih){
  if(vis[node]) return;
  vis[node] = 1;
  val.pb({ih, node});

  for(auto itr: adj[node]){
    dfs(itr.first, (ih ^ itr.second));
  }
}

map<int,int> c;
void cbul(int node){
  c[node] = 1;
  for(auto itr: child[node]) cbul(itr);
}

int32_t main(){
  //freopen("in.txt","r", stdin);
  int q;
  cin>>q;
  int ncnt = 1;

  while(q--){
    string s;
    cin>>s;

    if(s == "Add"){
        int x, y;
        cin>>x>>y;
        ncnt++;
        adj[ncnt].pb({x, y});
        adj[x].pb({ncnt, y});
        child[x].pb(ncnt);
    }
    else{
        int a, b;
        cin>>a>>b;
        vis.clear();
        c.clear();
        val.clear();
        int ans = 0;
        dfs(a, 0);
        cbul(b);

        for(auto itr: val){
            if(c[itr.second]){
                ans = max(ans, itr.first);
            }
        }

        cout<<ans<<endl;
    }
  }
  return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9816 KB Output is correct
2 Correct 3 ms 9816 KB Output is correct
3 Correct 3 ms 9816 KB Output is correct
4 Correct 3 ms 9816 KB Output is correct
5 Correct 4 ms 9816 KB Output is correct
6 Correct 4 ms 9816 KB Output is correct
7 Correct 4 ms 9816 KB Output is correct
8 Correct 3 ms 9816 KB Output is correct
9 Correct 3 ms 9816 KB Output is correct
10 Correct 3 ms 9820 KB Output is correct
11 Correct 5 ms 9968 KB Output is correct
12 Correct 3 ms 9816 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9816 KB Output is correct
2 Correct 3 ms 9816 KB Output is correct
3 Correct 3 ms 9816 KB Output is correct
4 Correct 3 ms 9816 KB Output is correct
5 Correct 4 ms 9816 KB Output is correct
6 Correct 4 ms 9816 KB Output is correct
7 Correct 4 ms 9816 KB Output is correct
8 Correct 3 ms 9816 KB Output is correct
9 Correct 3 ms 9816 KB Output is correct
10 Correct 3 ms 9820 KB Output is correct
11 Correct 5 ms 9968 KB Output is correct
12 Correct 3 ms 9816 KB Output is correct
13 Correct 56 ms 9932 KB Output is correct
14 Correct 80 ms 10068 KB Output is correct
15 Correct 90 ms 10064 KB Output is correct
16 Correct 61 ms 10072 KB Output is correct
17 Correct 90 ms 9816 KB Output is correct
18 Correct 152 ms 9904 KB Output is correct
19 Correct 144 ms 10064 KB Output is correct
20 Correct 106 ms 10028 KB Output is correct
21 Correct 81 ms 9892 KB Output is correct
22 Correct 130 ms 10416 KB Output is correct
23 Correct 129 ms 10020 KB Output is correct
24 Correct 85 ms 10328 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5031 ms 10776 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9816 KB Output is correct
2 Correct 3 ms 9816 KB Output is correct
3 Correct 3 ms 9816 KB Output is correct
4 Correct 3 ms 9816 KB Output is correct
5 Correct 4 ms 9816 KB Output is correct
6 Correct 4 ms 9816 KB Output is correct
7 Correct 4 ms 9816 KB Output is correct
8 Correct 3 ms 9816 KB Output is correct
9 Correct 3 ms 9816 KB Output is correct
10 Correct 3 ms 9820 KB Output is correct
11 Correct 5 ms 9968 KB Output is correct
12 Correct 3 ms 9816 KB Output is correct
13 Correct 56 ms 9932 KB Output is correct
14 Correct 80 ms 10068 KB Output is correct
15 Correct 90 ms 10064 KB Output is correct
16 Correct 61 ms 10072 KB Output is correct
17 Correct 90 ms 9816 KB Output is correct
18 Correct 152 ms 9904 KB Output is correct
19 Correct 144 ms 10064 KB Output is correct
20 Correct 106 ms 10028 KB Output is correct
21 Correct 81 ms 9892 KB Output is correct
22 Correct 130 ms 10416 KB Output is correct
23 Correct 129 ms 10020 KB Output is correct
24 Correct 85 ms 10328 KB Output is correct
25 Execution timed out 5031 ms 10776 KB Time limit exceeded
26 Halted 0 ms 0 KB -