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Submission #889401

# Submission time Handle Problem Language Result Execution time Memory
889401 2023-12-19T15:52:49 Z Alish Klasika (COCI20_klasika) C++17
33 / 110
 3601 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 = 165e4+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 84828 KB Output is correct
2 Correct 17 ms 84828 KB Output is correct
3 Correct 16 ms 84812 KB Output is correct
4 Correct 17 ms 84828 KB Output is correct
5 Correct 16 ms 84828 KB Output is correct
6 Correct 17 ms 84752 KB Output is correct
7 Correct 16 ms 84828 KB Output is correct
8 Correct 18 ms 84828 KB Output is correct
9 Correct 16 ms 84824 KB Output is correct
10 Correct 16 ms 84708 KB Output is correct
11 Correct 16 ms 84828 KB Output is correct
12 Correct 17 ms 85008 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 84828 KB Output is correct
2 Correct 17 ms 84828 KB Output is correct
3 Correct 16 ms 84812 KB Output is correct
4 Correct 17 ms 84828 KB Output is correct
5 Correct 16 ms 84828 KB Output is correct
6 Correct 17 ms 84752 KB Output is correct
7 Correct 16 ms 84828 KB Output is correct
8 Correct 18 ms 84828 KB Output is correct
9 Correct 16 ms 84824 KB Output is correct
10 Correct 16 ms 84708 KB Output is correct
11 Correct 16 ms 84828 KB Output is correct
12 Correct 17 ms 85008 KB Output is correct
13 Correct 19 ms 85340 KB Output is correct
14 Correct 19 ms 85852 KB Output is correct
15 Correct 20 ms 86620 KB Output is correct
16 Correct 21 ms 87244 KB Output is correct
17 Correct 18 ms 85352 KB Output is correct
18 Correct 20 ms 85852 KB Output is correct
19 Correct 20 ms 86360 KB Output is correct
20 Correct 21 ms 87132 KB Output is correct
21 Correct 18 ms 85340 KB Output is correct
22 Correct 20 ms 85852 KB Output is correct
23 Correct 20 ms 86360 KB Output is correct
24 Correct 21 ms 87128 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 501 ms 153616 KB Output is correct
2 Correct 942 ms 219176 KB Output is correct
3 Runtime error 3601 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 16 ms 84828 KB Output is correct
2 Correct 17 ms 84828 KB Output is correct
3 Correct 16 ms 84812 KB Output is correct
4 Correct 17 ms 84828 KB Output is correct
5 Correct 16 ms 84828 KB Output is correct
6 Correct 17 ms 84752 KB Output is correct
7 Correct 16 ms 84828 KB Output is correct
8 Correct 18 ms 84828 KB Output is correct
9 Correct 16 ms 84824 KB Output is correct
10 Correct 16 ms 84708 KB Output is correct
11 Correct 16 ms 84828 KB Output is correct
12 Correct 17 ms 85008 KB Output is correct
13 Correct 19 ms 85340 KB Output is correct
14 Correct 19 ms 85852 KB Output is correct
15 Correct 20 ms 86620 KB Output is correct
16 Correct 21 ms 87244 KB Output is correct
17 Correct 18 ms 85352 KB Output is correct
18 Correct 20 ms 85852 KB Output is correct
19 Correct 20 ms 86360 KB Output is correct
20 Correct 21 ms 87132 KB Output is correct
21 Correct 18 ms 85340 KB Output is correct
22 Correct 20 ms 85852 KB Output is correct
23 Correct 20 ms 86360 KB Output is correct
24 Correct 21 ms 87128 KB Output is correct
25 Correct 501 ms 153616 KB Output is correct
26 Correct 942 ms 219176 KB Output is correct
27 Runtime error 3601 ms 524288 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -