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Submission #750754

# Submission time Handle Problem Language Result Execution time Memory
750754 2023-05-30T08:55:10 Z bgnbvnbv Klasika (COCI20_klasika) C++14
110 / 110
 2340 ms 440596 KB 
#include<bits/stdc++.h>
#define TASKNAME "codeforce"
#define pb push_back
#define pli pair<ll,ll>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=2e5+10;
const ll inf=1e18;
const ll mod=1e9+7;
vector<pli>g[maxN];
ll val[maxN],in[maxN],out[maxN],tg=0;
void dfs(ll u=1)
{
    in[u]=++tg;
    for(auto vv:g[u])
    {
        val[vv.fi]=val[u]^vv.se;
        dfs(vv.fi);
    }
    out[u]=tg;
}
struct TrieNode
{
    TrieNode *child[2];
    set<int>s;
    TrieNode()
    {
        child[0]=child[1]=nullptr;
    }
};
TrieNode *r=new TrieNode();
void add(ll u)
{
    auto p=r;
    for(int i=30;i>=0;i--)
    {
        ll x=val[u]>>i&1;
        if(p->child[x]==nullptr)
        {
            p->child[x]=new TrieNode();
        }
        p=p->child[x];
        p->s.insert(in[u]);
    }
}
set<int>::iterator it;
ll get(ll x,ll l,ll rr)
{
    auto p=r;
    ll ans=0;
    for(int i=30;i>=0;i--)
    {
        ll ut1=1,ut2=0;
        if(x>>i&1) swap(ut1,ut2);
        if(p->child[ut1]!=nullptr)
        {
            it=p->child[ut1]->s.lower_bound(l);
            if(it!=p->child[ut1]->s.end()&&*it<=rr)
            {
                p=p->child[ut1];
                ans+=(1<<i);
            }
            else
            {
                p=p->child[ut2];
            }
        }
        else
        {
            p=p->child[ut2];
        }
    }
    return ans;
}
ll q,c,x[maxN],y[maxN];
string s[maxN];
void solve()
{
    cin >> q;
    c=1;
    for(int i=1;i<=q;i++)
    {
        cin >> s[i];
        cin >> x[i] >> y[i];
        if(s[i]=="Add")
        {
            c++;
            g[x[i]].pb({c,y[i]});
        }
    }
    val[1]=0;
    dfs();
    c=1;
    add(1);
    for(int i=1;i<=q;i++)
    {
        if(s[i]=="Add")
        {
            c++;
            add(c);
        }
        else
        {
            cout << get(val[x[i]],in[y[i]],out[y[i]])<<'\n';
        }
    }
}
int main()
{
    fastio
    //freopen(TASKNAME".INP","r",stdin);
    //freopen(TASKNAME".OUT","w",stdout);
    solve();
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11440 KB Output is correct
2 Correct 6 ms 11476 KB Output is correct
3 Correct 8 ms 11684 KB Output is correct
4 Correct 7 ms 11732 KB Output is correct
5 Correct 7 ms 11348 KB Output is correct
6 Correct 7 ms 11544 KB Output is correct
7 Correct 6 ms 11712 KB Output is correct
8 Correct 6 ms 11860 KB Output is correct
9 Correct 6 ms 11384 KB Output is correct
10 Correct 6 ms 11556 KB Output is correct
11 Correct 6 ms 11676 KB Output is correct
12 Correct 6 ms 11732 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11440 KB Output is correct
2 Correct 6 ms 11476 KB Output is correct
3 Correct 8 ms 11684 KB Output is correct
4 Correct 7 ms 11732 KB Output is correct
5 Correct 7 ms 11348 KB Output is correct
6 Correct 7 ms 11544 KB Output is correct
7 Correct 6 ms 11712 KB Output is correct
8 Correct 6 ms 11860 KB Output is correct
9 Correct 6 ms 11384 KB Output is correct
10 Correct 6 ms 11556 KB Output is correct
11 Correct 6 ms 11676 KB Output is correct
12 Correct 6 ms 11732 KB Output is correct
13 Correct 9 ms 12728 KB Output is correct
14 Correct 10 ms 14000 KB Output is correct
15 Correct 12 ms 15308 KB Output is correct
16 Correct 14 ms 16468 KB Output is correct
17 Correct 9 ms 12624 KB Output is correct
18 Correct 12 ms 13908 KB Output is correct
19 Correct 12 ms 15216 KB Output is correct
20 Correct 12 ms 16300 KB Output is correct
21 Correct 9 ms 12592 KB Output is correct
22 Correct 11 ms 13868 KB Output is correct
23 Correct 12 ms 15188 KB Output is correct
24 Correct 13 ms 16212 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 578 ms 127404 KB Output is correct
2 Correct 1014 ms 236364 KB Output is correct
3 Correct 1442 ms 338024 KB Output is correct
4 Correct 1880 ms 440236 KB Output is correct
5 Correct 631 ms 128436 KB Output is correct
6 Correct 1057 ms 232664 KB Output is correct
7 Correct 1545 ms 332612 KB Output is correct
8 Correct 2011 ms 432552 KB Output is correct
9 Correct 634 ms 128240 KB Output is correct
10 Correct 997 ms 233600 KB Output is correct
11 Correct 1508 ms 334908 KB Output is correct
12 Correct 1852 ms 434424 KB Output is correct

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11440 KB Output is correct
2 Correct 6 ms 11476 KB Output is correct
3 Correct 8 ms 11684 KB Output is correct
4 Correct 7 ms 11732 KB Output is correct
5 Correct 7 ms 11348 KB Output is correct
6 Correct 7 ms 11544 KB Output is correct
7 Correct 6 ms 11712 KB Output is correct
8 Correct 6 ms 11860 KB Output is correct
9 Correct 6 ms 11384 KB Output is correct
10 Correct 6 ms 11556 KB Output is correct
11 Correct 6 ms 11676 KB Output is correct
12 Correct 6 ms 11732 KB Output is correct
13 Correct 9 ms 12728 KB Output is correct
14 Correct 10 ms 14000 KB Output is correct
15 Correct 12 ms 15308 KB Output is correct
16 Correct 14 ms 16468 KB Output is correct
17 Correct 9 ms 12624 KB Output is correct
18 Correct 12 ms 13908 KB Output is correct
19 Correct 12 ms 15216 KB Output is correct
20 Correct 12 ms 16300 KB Output is correct
21 Correct 9 ms 12592 KB Output is correct
22 Correct 11 ms 13868 KB Output is correct
23 Correct 12 ms 15188 KB Output is correct
24 Correct 13 ms 16212 KB Output is correct
25 Correct 578 ms 127404 KB Output is correct
26 Correct 1014 ms 236364 KB Output is correct
27 Correct 1442 ms 338024 KB Output is correct
28 Correct 1880 ms 440236 KB Output is correct
29 Correct 631 ms 128436 KB Output is correct
30 Correct 1057 ms 232664 KB Output is correct
31 Correct 1545 ms 332612 KB Output is correct
32 Correct 2011 ms 432552 KB Output is correct
33 Correct 634 ms 128240 KB Output is correct
34 Correct 997 ms 233600 KB Output is correct
35 Correct 1508 ms 334908 KB Output is correct
36 Correct 1852 ms 434424 KB Output is correct
37 Correct 1107 ms 131444 KB Output is correct
38 Correct 1595 ms 236492 KB Output is correct
39 Correct 1837 ms 340912 KB Output is correct
40 Correct 2121 ms 440596 KB Output is correct
41 Correct 1150 ms 128932 KB Output is correct
42 Correct 1609 ms 232700 KB Output is correct
43 Correct 1990 ms 332708 KB Output is correct
44 Correct 2340 ms 431752 KB Output is correct
45 Correct 1251 ms 128584 KB Output is correct
46 Correct 1722 ms 233548 KB Output is correct
47 Correct 2001 ms 333500 KB Output is correct
48 Correct 2136 ms 434296 KB Output is correct