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Submission #889408

# Submission time Handle Problem Language Result Execution time Memory
889408 2023-12-19T15:57:22 Z Alish Klasika (COCI20_klasika) C++17
33 / 110
 1196 ms 521460 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 = 154e4+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 80732 KB Output is correct
2 Correct 15 ms 80732 KB Output is correct
3 Correct 16 ms 80728 KB Output is correct
4 Correct 16 ms 80732 KB Output is correct
5 Correct 15 ms 80732 KB Output is correct
6 Correct 16 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 15 ms 80984 KB Output is correct
10 Correct 16 ms 80732 KB Output is correct
11 Correct 16 ms 80732 KB Output is correct
12 Correct 15 ms 80732 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 80732 KB Output is correct
2 Correct 15 ms 80732 KB Output is correct
3 Correct 16 ms 80728 KB Output is correct
4 Correct 16 ms 80732 KB Output is correct
5 Correct 15 ms 80732 KB Output is correct
6 Correct 16 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 15 ms 80984 KB Output is correct
10 Correct 16 ms 80732 KB Output is correct
11 Correct 16 ms 80732 KB Output is correct
12 Correct 15 ms 80732 KB Output is correct
13 Correct 18 ms 81240 KB Output is correct
14 Correct 19 ms 81756 KB Output is correct
15 Correct 19 ms 82520 KB Output is correct
16 Correct 20 ms 83032 KB Output is correct
17 Correct 17 ms 81244 KB Output is correct
18 Correct 19 ms 81712 KB Output is correct
19 Correct 20 ms 82424 KB Output is correct
20 Correct 21 ms 83032 KB Output is correct
21 Correct 18 ms 81256 KB Output is correct
22 Correct 20 ms 81756 KB Output is correct
23 Correct 23 ms 82264 KB Output is correct
24 Correct 21 ms 83008 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 531 ms 148480 KB Output is correct
2 Correct 919 ms 213600 KB Output is correct
3 Runtime error 1196 ms 521460 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 80732 KB Output is correct
2 Correct 15 ms 80732 KB Output is correct
3 Correct 16 ms 80728 KB Output is correct
4 Correct 16 ms 80732 KB Output is correct
5 Correct 15 ms 80732 KB Output is correct
6 Correct 16 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 15 ms 80984 KB Output is correct
10 Correct 16 ms 80732 KB Output is correct
11 Correct 16 ms 80732 KB Output is correct
12 Correct 15 ms 80732 KB Output is correct
13 Correct 18 ms 81240 KB Output is correct
14 Correct 19 ms 81756 KB Output is correct
15 Correct 19 ms 82520 KB Output is correct
16 Correct 20 ms 83032 KB Output is correct
17 Correct 17 ms 81244 KB Output is correct
18 Correct 19 ms 81712 KB Output is correct
19 Correct 20 ms 82424 KB Output is correct
20 Correct 21 ms 83032 KB Output is correct
21 Correct 18 ms 81256 KB Output is correct
22 Correct 20 ms 81756 KB Output is correct
23 Correct 23 ms 82264 KB Output is correct
24 Correct 21 ms 83008 KB Output is correct
25 Correct 531 ms 148480 KB Output is correct
26 Correct 919 ms 213600 KB Output is correct
27 Runtime error 1196 ms 521460 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -