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Submission #888095

# Submission time Handle Problem Language Result Execution time Memory
888095 2023-12-16T03:04:24 Z Ahmed_Solyman Klasika (COCI20_klasika) C++14
33 / 110
 1362 ms 524288 KB 
/*
In the name of Allah
made by: Ahmed_Solyman
*/
#include <bits/stdc++.h>
#include <ext/rope>
 
using namespace std;
using namespace __gnu_cxx;
#pragma GCC optimize("-Ofast")
#pragma GCC optimize("-O1")
//-------------------------------------------------------------//
typedef long long ll;
typedef unsigned long long ull;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define PI acos(-1)
#define lb lower_bound
#define ub upper_bound
#define endl '\n'
#define all(v) v.begin(),v.end()
#define allr(v) v.rbegin(),v.rend()
#define sum_to(n) (n*(n+1))/2
#define pb push_back
#define pf push_front
#define fil(arr,x) memset(arr,x,sizeof(arr))
const ll mod=1e9+7;
int dx[8]={0,1,0,-1,1,1,-1,-1};
int dy[8]={1,0,-1,0,1,-1,-1,1};
//-------------------------------------------------------------//
ll lcm(ll a,ll b)
{
    return (max(a,b)/__gcd(a,b))*min(a,b);
}
void person_bool(bool x)
{
    cout<<(x?"YES":"NO")<<endl;
}
const int N=2e5+5;
set<int>s[30*N];
int id=1,mark=1,l[N],r[N],trie[30*N][2];
vector<int>adj[N];
void insert(int x,int ind){
    int p=0;
    for(int i=29;i>=0;i--){
        bool g=x & (1<<i);
        if(~trie[p][g])p=trie[p][g];
        else p=trie[p][g]=id++;
        s[p].insert(ind);
    }
}
int solve(int a,int b){
    int p=0,ret=0;
    for(int i=29;i>=0;i--){
        bool g=a & (1<<i);g^=1;
        if(~trie[p][g] && s[trie[p][g]].lower_bound(l[b])!=s[trie[p][g]].end() && *s[trie[p][g]].lower_bound(l[b])<=r[b])p=trie[p][g],ret|=(1<<i);
        else p=trie[p][g^1];
    }
    return ret;
}
void dfs(int node,int p){
    l[node]=mark++;
    for(auto i:adj[node])
        if(i!=p)
            dfs(i,node);
    r[node]=mark-1;
}
int main()
{
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    #ifndef ONLINE_JUDGE
 // //  freopen("input.in", "r", stdin);
////    freopen("output.out", "w", stdout);
    #endif
    fast
    fil(trie,-1);
    int q;cin>>q;
    vector<int>d(q+1);
    int v=2;
    vector<array<int,3>>e;
    while(q--){
        string s;cin>>s;
        if(s=="Add"){
            int u,w;cin>>u>>w;
            d[v]=d[u]^w;
            e.push_back({0,u,v});
            adj[u].push_back(v++);
        }
        else{
            int a,b;cin>>a>>b;
            e.push_back({1,a,b});
        }
    }
    dfs(1,1);
    insert(0,l[1]);
    for(auto i:e){
        int t=i[0],u=i[1],v=i[2];
        if(t==0){
            insert(d[v],l[v]);
        }
        else{
            cout<<solve(d[u],v)<<endl;
        }
    }
    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 335444 KB Output is correct
2 Correct 60 ms 335440 KB Output is correct
3 Correct 61 ms 335884 KB Output is correct
4 Correct 60 ms 335700 KB Output is correct
5 Correct 59 ms 335440 KB Output is correct
6 Correct 59 ms 335444 KB Output is correct
7 Correct 60 ms 335508 KB Output is correct
8 Correct 63 ms 335700 KB Output is correct
9 Correct 59 ms 335444 KB Output is correct
10 Correct 60 ms 335560 KB Output is correct
11 Correct 60 ms 335444 KB Output is correct
12 Correct 59 ms 335700 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 335444 KB Output is correct
2 Correct 60 ms 335440 KB Output is correct
3 Correct 61 ms 335884 KB Output is correct
4 Correct 60 ms 335700 KB Output is correct
5 Correct 59 ms 335440 KB Output is correct
6 Correct 59 ms 335444 KB Output is correct
7 Correct 60 ms 335508 KB Output is correct
8 Correct 63 ms 335700 KB Output is correct
9 Correct 59 ms 335444 KB Output is correct
10 Correct 60 ms 335560 KB Output is correct
11 Correct 60 ms 335444 KB Output is correct
12 Correct 59 ms 335700 KB Output is correct
13 Correct 61 ms 336164 KB Output is correct
14 Correct 65 ms 336724 KB Output is correct
15 Correct 64 ms 337236 KB Output is correct
16 Correct 63 ms 337744 KB Output is correct
17 Correct 61 ms 335952 KB Output is correct
18 Correct 63 ms 336508 KB Output is correct
19 Correct 65 ms 337608 KB Output is correct
20 Correct 64 ms 337744 KB Output is correct
21 Correct 62 ms 336124 KB Output is correct
22 Correct 62 ms 336464 KB Output is correct
23 Correct 64 ms 337236 KB Output is correct
24 Correct 67 ms 337700 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 591 ms 402632 KB Output is correct
2 Correct 988 ms 461824 KB Output is correct
3 Correct 1362 ms 520536 KB Output is correct
4 Runtime error 1034 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 76 ms 335444 KB Output is correct
2 Correct 60 ms 335440 KB Output is correct
3 Correct 61 ms 335884 KB Output is correct
4 Correct 60 ms 335700 KB Output is correct
5 Correct 59 ms 335440 KB Output is correct
6 Correct 59 ms 335444 KB Output is correct
7 Correct 60 ms 335508 KB Output is correct
8 Correct 63 ms 335700 KB Output is correct
9 Correct 59 ms 335444 KB Output is correct
10 Correct 60 ms 335560 KB Output is correct
11 Correct 60 ms 335444 KB Output is correct
12 Correct 59 ms 335700 KB Output is correct
13 Correct 61 ms 336164 KB Output is correct
14 Correct 65 ms 336724 KB Output is correct
15 Correct 64 ms 337236 KB Output is correct
16 Correct 63 ms 337744 KB Output is correct
17 Correct 61 ms 335952 KB Output is correct
18 Correct 63 ms 336508 KB Output is correct
19 Correct 65 ms 337608 KB Output is correct
20 Correct 64 ms 337744 KB Output is correct
21 Correct 62 ms 336124 KB Output is correct
22 Correct 62 ms 336464 KB Output is correct
23 Correct 64 ms 337236 KB Output is correct
24 Correct 67 ms 337700 KB Output is correct
25 Correct 591 ms 402632 KB Output is correct
26 Correct 988 ms 461824 KB Output is correct
27 Correct 1362 ms 520536 KB Output is correct
28 Runtime error 1034 ms 524288 KB Execution killed with signal 9
29 Halted 0 ms 0 KB -