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Submission #889404

# Submission time Handle Problem Language Result Execution time Memory
889404 2023-12-19T15:54:57 Z Alish Klasika (COCI20_klasika) C++17
33 / 110
 1209 ms 517960 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 = 153e4+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 16 ms 78684 KB Output is correct
2 Correct 15 ms 78572 KB Output is correct
3 Correct 15 ms 78684 KB Output is correct
4 Correct 15 ms 78684 KB Output is correct
5 Correct 16 ms 78632 KB Output is correct
6 Correct 15 ms 78684 KB Output is correct
7 Correct 16 ms 78684 KB Output is correct
8 Correct 15 ms 78684 KB Output is correct
9 Correct 15 ms 78684 KB Output is correct
10 Correct 18 ms 78680 KB Output is correct
11 Correct 15 ms 78816 KB Output is correct
12 Correct 16 ms 78680 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 78684 KB Output is correct
2 Correct 15 ms 78572 KB Output is correct
3 Correct 15 ms 78684 KB Output is correct
4 Correct 15 ms 78684 KB Output is correct
5 Correct 16 ms 78632 KB Output is correct
6 Correct 15 ms 78684 KB Output is correct
7 Correct 16 ms 78684 KB Output is correct
8 Correct 15 ms 78684 KB Output is correct
9 Correct 15 ms 78684 KB Output is correct
10 Correct 18 ms 78680 KB Output is correct
11 Correct 15 ms 78816 KB Output is correct
12 Correct 16 ms 78680 KB Output is correct
13 Correct 17 ms 79192 KB Output is correct
14 Correct 18 ms 79960 KB Output is correct
15 Correct 19 ms 80880 KB Output is correct
16 Correct 21 ms 81332 KB Output is correct
17 Correct 18 ms 79196 KB Output is correct
18 Correct 18 ms 79704 KB Output is correct
19 Correct 21 ms 80476 KB Output is correct
20 Correct 21 ms 81208 KB Output is correct
21 Correct 17 ms 79196 KB Output is correct
22 Correct 19 ms 79964 KB Output is correct
23 Correct 20 ms 80476 KB Output is correct
24 Correct 20 ms 81240 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 558 ms 148096 KB Output is correct
2 Correct 994 ms 213756 KB Output is correct
3 Runtime error 1209 ms 517960 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 78684 KB Output is correct
2 Correct 15 ms 78572 KB Output is correct
3 Correct 15 ms 78684 KB Output is correct
4 Correct 15 ms 78684 KB Output is correct
5 Correct 16 ms 78632 KB Output is correct
6 Correct 15 ms 78684 KB Output is correct
7 Correct 16 ms 78684 KB Output is correct
8 Correct 15 ms 78684 KB Output is correct
9 Correct 15 ms 78684 KB Output is correct
10 Correct 18 ms 78680 KB Output is correct
11 Correct 15 ms 78816 KB Output is correct
12 Correct 16 ms 78680 KB Output is correct
13 Correct 17 ms 79192 KB Output is correct
14 Correct 18 ms 79960 KB Output is correct
15 Correct 19 ms 80880 KB Output is correct
16 Correct 21 ms 81332 KB Output is correct
17 Correct 18 ms 79196 KB Output is correct
18 Correct 18 ms 79704 KB Output is correct
19 Correct 21 ms 80476 KB Output is correct
20 Correct 21 ms 81208 KB Output is correct
21 Correct 17 ms 79196 KB Output is correct
22 Correct 19 ms 79964 KB Output is correct
23 Correct 20 ms 80476 KB Output is correct
24 Correct 20 ms 81240 KB Output is correct
25 Correct 558 ms 148096 KB Output is correct
26 Correct 994 ms 213756 KB Output is correct
27 Runtime error 1209 ms 517960 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -