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Submission #832973

# Submission time Handle Problem Language Result Execution time Memory
832973 2023-08-21T17:37:08 Z damwuan Klasika (COCI20_klasika) C++17
33 / 110
 658 ms 524288 KB 



#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define bit(n,i) ((n>>i)&1)
#define all(x) x.begin(),x.end()
//#pragma GCC optimize("O2,unroll-loops")
//#pragma GCC target("avx,avx2,bmi,bmi2,sse,sse2,sse3,ssse3,sse4,popcnt")
#define int long long
typedef long long ll;
typedef pair<int,int> pii;
typedef double ld;
typedef pair<ld,ld> pdd;
typedef pair<ll,ll> pll;
const ll maxn=3e5+5;
const ll offset=1e9;
const ll block_sz=317;
const ll inf=1e18;
const ll mod=1e9+7;
int n;
struct TrieNode
{
    TrieNode* child[2];
    int cnt;
    TrieNode()
    {
        child[0]=child[1]=nullptr;
        cnt=inf;
    }
};
TrieNode* root[maxn];
void Update(TrieNode* r, int u,int Time)
{
    TrieNode* cur=r;
    for2(i,29,0)
    {
        bool nxt=(u>>i)&1;
        if (cur->child[nxt]==nullptr)
        {
            cur->child[nxt]=new TrieNode;
        }
        cur=cur->child[nxt];
        cur->cnt=min(cur->cnt,Time);
    }
}
int Get(TrieNode* r, int u,int Time)
{
    int ans=0;
    TrieNode* cur=r;
    for2(i,29,0)
    {
        bool nxt=((u>>i)&1)^1;
        //cerr<< nxt<<'\n';
        if (cur->child[nxt]!=nullptr && cur->child[nxt]->cnt<=Time)
        {
            cur=cur->child[nxt];
            ans+=(1<<i);
        }
        else
        //if (cur->child[nxt|1]!=nullptr)
        cur=cur->child[nxt^1];
        //else cout << "wtf\n";
    }
    return ans;
}

int q,id[maxn];
string type;
int pre[maxn],ans[maxn];
vector<int> adj[maxn],L[maxn];
vector<pii> qr[maxn];
void dfs(int u)
{
//    cerr<< u<<' '<<pre[u]<<'\n';
    L[u].pb(u);
    Update(root[u],pre[u],id[u]);
    for(int v: adj[u])
    {
//        cerr<< v<<" asd\n";
        dfs(v);
    }
    for(int v: adj[u])
    {
        if (L[v].size()>L[u].size())
        {
            L[u].swap(L[v]);
            swap(root[u],root[v]);
        }
        for(int a:L[v])
        {
            L[u].pb(a);
            Update(root[u],pre[a],id[a]);
        }
    }
    //cerr<< u<< ' '<<L[u].size()<<" wtf\n";
    //...
    for(auto x: qr[u])
    {
        //cerr<< u<<' '<<x.se<<' '<<x.fi<<' '<<L[u].size()<<'\n';
        ans[x.se]=Get(root[u],x.fi,x.se);
    }
}
void sol()
{
    cin >> q;
    n=1;
    for1(i,1,q)
    {
        ans[i]=-1;
        int a,b;cin>> type>>a>>b;
        if (type[0]=='A')
        {
            adj[a].pb(++n);
            pre[n]=pre[a]^b;
            id[n]=i;
        }
        else
        {
            qr[b].pb({pre[a],i});
        }
    }
    for1(i,1,n) root[i]=new TrieNode;
//    cerr<< "kk\n";
    dfs(1);
    for1(i,1,q) if (ans[i]!=-1) cout << ans[i]<<'\n';
}
int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
//    freopen("GROUPDIV.inp","r",stdin);
//    freopen("GROUPDIV.out","w",stdout);

    int t=1;//cin >> t;
    while (t--)
    {
        sol();
    }
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21588 KB Output is correct
2 Correct 11 ms 21692 KB Output is correct
3 Correct 11 ms 21736 KB Output is correct
4 Correct 11 ms 21716 KB Output is correct
5 Correct 10 ms 21512 KB Output is correct
6 Correct 10 ms 21608 KB Output is correct
7 Correct 11 ms 21800 KB Output is correct
8 Correct 12 ms 21956 KB Output is correct
9 Correct 10 ms 21604 KB Output is correct
10 Correct 14 ms 21716 KB Output is correct
11 Correct 12 ms 21844 KB Output is correct
12 Correct 11 ms 21844 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21588 KB Output is correct
2 Correct 11 ms 21692 KB Output is correct
3 Correct 11 ms 21736 KB Output is correct
4 Correct 11 ms 21716 KB Output is correct
5 Correct 10 ms 21512 KB Output is correct
6 Correct 10 ms 21608 KB Output is correct
7 Correct 11 ms 21800 KB Output is correct
8 Correct 12 ms 21956 KB Output is correct
9 Correct 10 ms 21604 KB Output is correct
10 Correct 14 ms 21716 KB Output is correct
11 Correct 12 ms 21844 KB Output is correct
12 Correct 11 ms 21844 KB Output is correct
13 Correct 12 ms 22356 KB Output is correct
14 Correct 12 ms 23076 KB Output is correct
15 Correct 13 ms 23796 KB Output is correct
16 Correct 14 ms 24376 KB Output is correct
17 Correct 12 ms 22776 KB Output is correct
18 Correct 13 ms 24020 KB Output is correct
19 Correct 15 ms 25684 KB Output is correct
20 Correct 17 ms 26836 KB Output is correct
21 Correct 13 ms 22616 KB Output is correct
22 Correct 14 ms 23664 KB Output is correct
23 Correct 15 ms 24660 KB Output is correct
24 Correct 15 ms 25588 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 168 ms 96580 KB Output is correct
2 Correct 223 ms 160440 KB Output is correct
3 Correct 286 ms 222160 KB Output is correct
4 Correct 334 ms 284420 KB Output is correct
5 Correct 271 ms 193744 KB Output is correct
6 Correct 480 ms 362728 KB Output is correct
7 Runtime error 658 ms 524288 KB Execution killed with signal 9
8 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21588 KB Output is correct
2 Correct 11 ms 21692 KB Output is correct
3 Correct 11 ms 21736 KB Output is correct
4 Correct 11 ms 21716 KB Output is correct
5 Correct 10 ms 21512 KB Output is correct
6 Correct 10 ms 21608 KB Output is correct
7 Correct 11 ms 21800 KB Output is correct
8 Correct 12 ms 21956 KB Output is correct
9 Correct 10 ms 21604 KB Output is correct
10 Correct 14 ms 21716 KB Output is correct
11 Correct 12 ms 21844 KB Output is correct
12 Correct 11 ms 21844 KB Output is correct
13 Correct 12 ms 22356 KB Output is correct
14 Correct 12 ms 23076 KB Output is correct
15 Correct 13 ms 23796 KB Output is correct
16 Correct 14 ms 24376 KB Output is correct
17 Correct 12 ms 22776 KB Output is correct
18 Correct 13 ms 24020 KB Output is correct
19 Correct 15 ms 25684 KB Output is correct
20 Correct 17 ms 26836 KB Output is correct
21 Correct 13 ms 22616 KB Output is correct
22 Correct 14 ms 23664 KB Output is correct
23 Correct 15 ms 24660 KB Output is correct
24 Correct 15 ms 25588 KB Output is correct
25 Correct 168 ms 96580 KB Output is correct
26 Correct 223 ms 160440 KB Output is correct
27 Correct 286 ms 222160 KB Output is correct
28 Correct 334 ms 284420 KB Output is correct
29 Correct 271 ms 193744 KB Output is correct
30 Correct 480 ms 362728 KB Output is correct
31 Runtime error 658 ms 524288 KB Execution killed with signal 9
32 Halted 0 ms 0 KB -