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Submission #889388

# Submission time Handle Problem Language Result Execution time Memory
889388 2023-12-19T15:41:40 Z Alish Klasika (COCI20_klasika) C++17
33 / 110
 3715 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 = 2e6;


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 21 ms 101208 KB Output is correct
2 Correct 20 ms 101212 KB Output is correct
3 Correct 20 ms 101212 KB Output is correct
4 Correct 20 ms 101428 KB Output is correct
5 Correct 19 ms 101212 KB Output is correct
6 Correct 19 ms 101304 KB Output is correct
7 Correct 20 ms 101212 KB Output is correct
8 Correct 22 ms 101212 KB Output is correct
9 Correct 20 ms 101208 KB Output is correct
10 Correct 20 ms 101212 KB Output is correct
11 Correct 20 ms 101212 KB Output is correct
12 Correct 19 ms 101208 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 101208 KB Output is correct
2 Correct 20 ms 101212 KB Output is correct
3 Correct 20 ms 101212 KB Output is correct
4 Correct 20 ms 101428 KB Output is correct
5 Correct 19 ms 101212 KB Output is correct
6 Correct 19 ms 101304 KB Output is correct
7 Correct 20 ms 101212 KB Output is correct
8 Correct 22 ms 101212 KB Output is correct
9 Correct 20 ms 101208 KB Output is correct
10 Correct 20 ms 101212 KB Output is correct
11 Correct 20 ms 101212 KB Output is correct
12 Correct 19 ms 101208 KB Output is correct
13 Correct 21 ms 101648 KB Output is correct
14 Correct 23 ms 102232 KB Output is correct
15 Correct 23 ms 103076 KB Output is correct
16 Correct 25 ms 103652 KB Output is correct
17 Correct 22 ms 101724 KB Output is correct
18 Correct 23 ms 102236 KB Output is correct
19 Correct 23 ms 103004 KB Output is correct
20 Correct 25 ms 103516 KB Output is correct
21 Correct 21 ms 101584 KB Output is correct
22 Correct 23 ms 102232 KB Output is correct
23 Correct 24 ms 102868 KB Output is correct
24 Correct 26 ms 103516 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 569 ms 170072 KB Output is correct
2 Correct 959 ms 235992 KB Output is correct
3 Correct 1439 ms 299296 KB Output is correct
4 Runtime error 3715 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 101208 KB Output is correct
2 Correct 20 ms 101212 KB Output is correct
3 Correct 20 ms 101212 KB Output is correct
4 Correct 20 ms 101428 KB Output is correct
5 Correct 19 ms 101212 KB Output is correct
6 Correct 19 ms 101304 KB Output is correct
7 Correct 20 ms 101212 KB Output is correct
8 Correct 22 ms 101212 KB Output is correct
9 Correct 20 ms 101208 KB Output is correct
10 Correct 20 ms 101212 KB Output is correct
11 Correct 20 ms 101212 KB Output is correct
12 Correct 19 ms 101208 KB Output is correct
13 Correct 21 ms 101648 KB Output is correct
14 Correct 23 ms 102232 KB Output is correct
15 Correct 23 ms 103076 KB Output is correct
16 Correct 25 ms 103652 KB Output is correct
17 Correct 22 ms 101724 KB Output is correct
18 Correct 23 ms 102236 KB Output is correct
19 Correct 23 ms 103004 KB Output is correct
20 Correct 25 ms 103516 KB Output is correct
21 Correct 21 ms 101584 KB Output is correct
22 Correct 23 ms 102232 KB Output is correct
23 Correct 24 ms 102868 KB Output is correct
24 Correct 26 ms 103516 KB Output is correct
25 Correct 569 ms 170072 KB Output is correct
26 Correct 959 ms 235992 KB Output is correct
27 Correct 1439 ms 299296 KB Output is correct
28 Runtime error 3715 ms 524288 KB Execution killed with signal 9
29 Halted 0 ms 0 KB -