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Submission #889402

# Submission time Handle Problem Language Result Execution time Memory
889402 2023-12-19T15:53:33 Z Alish Klasika (COCI20_klasika) C++17
33 / 110
 3510 ms 524288 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long int	ll;
typedef pair<int, int>	pii;
typedef pair<ll, ll>	pll;


#define F		        first
#define S		        second
#define pb		        push_back
#define endl            '\n'
#define Mp		        make_pair
#define all(x)          x.begin(), x.end()
#define debug(x)        cerr << #x << " = " << x << endl;
#define fast_io         ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io         freopen("in.txt" , "r" , stdin) ; freopen("out.txt" , "w" , stdout);


ll mod = 1e9+7 ;

const int N = 2e5+23, L=31;

const int M = 155e4+23;


ll h[N];
int ch[M][2];
set<int> ss[M];
int st[N], ft[N], tim=0;
vector<int> g[N];
vector<pair<int, pii> > Q;
int cnt=1;
int tr;

void dfs(int v){
    st[v]=tim++;
    for (int u: g[v]) dfs(u);
    ft[v]=tim;
}

void add(int x, int pp){
    int cur=0;
    for (int i=L-1; i>=0; i--){
        int t=(x>>i&1);
        if(!ch[cur][t]) ch[cur][t]=++tr;
        cur=ch[cur][t];
        ss[cur].insert(pp);
    }
}

int get(int x, int v){
    int cur=0;
    int ans=0;
    for (int i=L-1; i>=0; i--){
        int t=(x>>i&1);
        t=1-t;
        if(ch[cur][t]){
            auto x=ss[ch[cur][t]].lower_bound(st[v]);

            if(x==ss[ch[cur][t]].end() || *x>=ft[v]){
                cur=ch[cur][1-t];
            }
            else{
                ans+=(1<<i);
                cur=ch[cur][t];
            }
        }
        else{
            cur=ch[cur][1-t];
        }
    }
    return ans;
}

int main()
{
    fast_io
    int q; cin>>q;
    for (int i=0; i<q; i++){
        string s; cin>>s;
        if(s=="Add"){
             ll u, w;
            cin>>u>>w;
            cnt++;
            h[cnt]=h[u]^w;
            g[u].pb(cnt);
            Q.pb({0, {cnt, u}});
        }
        else{
                int u, v; cin>>v>>u;
            Q.pb({1, {v, u}});
        }
    }
    dfs(1);
    add(0, st[1]);

    for (auto pp: Q){
        int t=pp.F, v=pp.S.F, u=pp.S.S;
        if(!t){
            add(h[v], st[v]);
        }
        else{
            cout<<get(h[v], u)<<endl;
        }
    }

}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 80728 KB Output is correct
2 Correct 15 ms 80780 KB Output is correct
3 Correct 16 ms 80732 KB Output is correct
4 Correct 16 ms 80904 KB Output is correct
5 Correct 15 ms 80644 KB Output is correct
6 Correct 15 ms 80732 KB Output is correct
7 Correct 16 ms 80732 KB Output is correct
8 Correct 16 ms 80728 KB Output is correct
9 Correct 16 ms 80732 KB Output is correct
10 Correct 16 ms 80732 KB Output is correct
11 Correct 16 ms 80732 KB Output is correct
12 Correct 16 ms 80856 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 80728 KB Output is correct
2 Correct 15 ms 80780 KB Output is correct
3 Correct 16 ms 80732 KB Output is correct
4 Correct 16 ms 80904 KB Output is correct
5 Correct 15 ms 80644 KB Output is correct
6 Correct 15 ms 80732 KB Output is correct
7 Correct 16 ms 80732 KB Output is correct
8 Correct 16 ms 80728 KB Output is correct
9 Correct 16 ms 80732 KB Output is correct
10 Correct 16 ms 80732 KB Output is correct
11 Correct 16 ms 80732 KB Output is correct
12 Correct 16 ms 80856 KB Output is correct
13 Correct 18 ms 81240 KB Output is correct
14 Correct 18 ms 81752 KB Output is correct
15 Correct 20 ms 82524 KB Output is correct
16 Correct 20 ms 83004 KB Output is correct
17 Correct 18 ms 81244 KB Output is correct
18 Correct 18 ms 81892 KB Output is correct
19 Correct 20 ms 82264 KB Output is correct
20 Correct 20 ms 83036 KB Output is correct
21 Correct 18 ms 81244 KB Output is correct
22 Correct 19 ms 81756 KB Output is correct
23 Correct 21 ms 82508 KB Output is correct
24 Correct 21 ms 83032 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 513 ms 149028 KB Output is correct
2 Correct 928 ms 214596 KB Output is correct
3 Runtime error 3510 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 80728 KB Output is correct
2 Correct 15 ms 80780 KB Output is correct
3 Correct 16 ms 80732 KB Output is correct
4 Correct 16 ms 80904 KB Output is correct
5 Correct 15 ms 80644 KB Output is correct
6 Correct 15 ms 80732 KB Output is correct
7 Correct 16 ms 80732 KB Output is correct
8 Correct 16 ms 80728 KB Output is correct
9 Correct 16 ms 80732 KB Output is correct
10 Correct 16 ms 80732 KB Output is correct
11 Correct 16 ms 80732 KB Output is correct
12 Correct 16 ms 80856 KB Output is correct
13 Correct 18 ms 81240 KB Output is correct
14 Correct 18 ms 81752 KB Output is correct
15 Correct 20 ms 82524 KB Output is correct
16 Correct 20 ms 83004 KB Output is correct
17 Correct 18 ms 81244 KB Output is correct
18 Correct 18 ms 81892 KB Output is correct
19 Correct 20 ms 82264 KB Output is correct
20 Correct 20 ms 83036 KB Output is correct
21 Correct 18 ms 81244 KB Output is correct
22 Correct 19 ms 81756 KB Output is correct
23 Correct 21 ms 82508 KB Output is correct
24 Correct 21 ms 83032 KB Output is correct
25 Correct 513 ms 149028 KB Output is correct
26 Correct 928 ms 214596 KB Output is correct
27 Runtime error 3510 ms 524288 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -