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Submission #889399

# Submission time Handle Problem Language Result Execution time Memory
889399 2023-12-19T15:52:04 Z Alish Klasika (COCI20_klasika) C++17
33 / 110
 1179 ms 508056 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 = 15e5+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 24 ms 78680 KB Output is correct
2 Correct 16 ms 78684 KB Output is correct
3 Correct 16 ms 78800 KB Output is correct
4 Correct 16 ms 78644 KB Output is correct
5 Correct 15 ms 78520 KB Output is correct
6 Correct 15 ms 78684 KB Output is correct
7 Correct 15 ms 78568 KB Output is correct
8 Correct 16 ms 78680 KB Output is correct
9 Correct 18 ms 78540 KB Output is correct
10 Correct 15 ms 78684 KB Output is correct
11 Correct 17 ms 78684 KB Output is correct
12 Correct 16 ms 78684 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 78680 KB Output is correct
2 Correct 16 ms 78684 KB Output is correct
3 Correct 16 ms 78800 KB Output is correct
4 Correct 16 ms 78644 KB Output is correct
5 Correct 15 ms 78520 KB Output is correct
6 Correct 15 ms 78684 KB Output is correct
7 Correct 15 ms 78568 KB Output is correct
8 Correct 16 ms 78680 KB Output is correct
9 Correct 18 ms 78540 KB Output is correct
10 Correct 15 ms 78684 KB Output is correct
11 Correct 17 ms 78684 KB Output is correct
12 Correct 16 ms 78684 KB Output is correct
13 Correct 17 ms 79168 KB Output is correct
14 Correct 18 ms 79676 KB Output is correct
15 Correct 20 ms 80384 KB Output is correct
16 Correct 20 ms 80988 KB Output is correct
17 Correct 17 ms 79196 KB Output is correct
18 Correct 18 ms 79708 KB Output is correct
19 Correct 19 ms 80348 KB Output is correct
20 Correct 20 ms 80988 KB Output is correct
21 Correct 17 ms 79196 KB Output is correct
22 Correct 19 ms 79840 KB Output is correct
23 Correct 19 ms 80400 KB Output is correct
24 Correct 20 ms 80984 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 611 ms 147260 KB Output is correct
2 Correct 968 ms 211960 KB Output is correct
3 Runtime error 1179 ms 508056 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 24 ms 78680 KB Output is correct
2 Correct 16 ms 78684 KB Output is correct
3 Correct 16 ms 78800 KB Output is correct
4 Correct 16 ms 78644 KB Output is correct
5 Correct 15 ms 78520 KB Output is correct
6 Correct 15 ms 78684 KB Output is correct
7 Correct 15 ms 78568 KB Output is correct
8 Correct 16 ms 78680 KB Output is correct
9 Correct 18 ms 78540 KB Output is correct
10 Correct 15 ms 78684 KB Output is correct
11 Correct 17 ms 78684 KB Output is correct
12 Correct 16 ms 78684 KB Output is correct
13 Correct 17 ms 79168 KB Output is correct
14 Correct 18 ms 79676 KB Output is correct
15 Correct 20 ms 80384 KB Output is correct
16 Correct 20 ms 80988 KB Output is correct
17 Correct 17 ms 79196 KB Output is correct
18 Correct 18 ms 79708 KB Output is correct
19 Correct 19 ms 80348 KB Output is correct
20 Correct 20 ms 80988 KB Output is correct
21 Correct 17 ms 79196 KB Output is correct
22 Correct 19 ms 79840 KB Output is correct
23 Correct 19 ms 80400 KB Output is correct
24 Correct 20 ms 80984 KB Output is correct
25 Correct 611 ms 147260 KB Output is correct
26 Correct 968 ms 211960 KB Output is correct
27 Runtime error 1179 ms 508056 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -