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Submission #839153

# Submission time Handle Problem Language Result Execution time Memory
839153 2023-08-28T19:57:15 Z kingmessi Klasika (COCI20_klasika) C++17
110 / 110
 2564 ms 441828 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
// #define int long long
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define repin rep(i,0,n)
#define di(a) int a;cin>>a;
#define precise(i) cout<<fixed<<setprecision(i)
#define vi vector<int>
#define si set<int>
#define mii map<int,int>
#define take(a,n) for(int j=0;j<n;j++) cin>>a[j];
#define give(a,n) for(int j=0;j<n;j++) cout<<a[j]<<' ';
#define vpii vector<pair<int,int>>
#define sis string s;
#define sin string s;cin>>s;
#define db double
#define be(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define pob pop_back
#define ff first
#define ss second
#define lb lower_bound
#define ub upper_bound
#define bpc(x) __builtin_popcountll(x) 
#define btz(x) __builtin_ctz(x)
using namespace std;

using namespace __gnu_pbds;

typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set;
typedef tree<pair<int, int>, null_type,less<pair<int, int> >, rb_tree_tag,tree_order_statistics_node_update> ordered_multiset;

const long long INF=1e18;
const long long M=1e9+7;
const long long MM=998244353;
  
int power( int N, int M){
    int power = N, sum = 1;
    if(N == 0) sum = 0;
    while(M > 0){if((M & 1) == 1){sum *= power;}
    power = power * power;M = M >> 1;}
    return sum;
}

const int N=200001;
vector<pii> adj[N];
int st[N],en[N],et=0;
int d[N];
 
void dfs(int current,int par){
st[current]=et++;
    for(auto next_vertex : adj[current]){
        if(par == next_vertex.ff)continue;
        d[next_vertex.ff]=d[current]^(next_vertex.ss);
        dfs(next_vertex.ff,current);
    }
en[current]=et;
}

const int SZ = 3200005;
const int MXBIT = 30;
si s[SZ];
int nex[SZ][2],num = 0;
void ins(int node) {
    int x = d[node];
    int cur = 0;
    s[cur].insert(st[node]);
    rrep(i,MXBIT,0) {
        int t = (x>>i)&1;
        if (!nex[cur][t]) {nex[cur][t] = ++num;}
        cur = nex[cur][t];
        s[cur].insert(st[node]);
    }
}

int test(int a,int b) {
    int x = d[a];
    int cur = 0;
    rrep(i,MXBIT,0) {
        int t = ((x>>i)&1)^1;
        if (!nex[cur][t]){
            t^=1;
        }
        else{
            auto it = s[nex[cur][t]].lb(st[b]);
            if(it != s[nex[cur][t]].end()){
                int res = *(it);
                if(res >= en[b])t^=1;
            }
            else t^=1;
        }
        cur = nex[cur][t]; if (t) x ^= 1<<i;
    }
    return x;
}



void solve()
{
    vector<pair<string, pii>> qry;
    int node = 1;
    int q;cin>>q;
    rep(i,0,q){
        string op;
        cin>>op;
        int a,b;
        cin>>a>>b;
        qry.pb({op.substr(0,1),{a,b}});
        if(op == "Add"){
            node++;
            adj[a].pb({node,b});
        }
    }
    dfs(1,0);
    rep(i,1,node+1)adj[i].clear();
    node = 1;
    ins(1);
    rep(i,0,q){
        string op = qry[i].ff;
        int a = qry[i].ss.ff;
        int b = qry[i].ss.ss;
        if(op == "A"){
            node++;
            ins(node);
        }
        else{
            int ans = test(a,b);
            // cout<<"ans"<<endl;
            cout<<ans<<'\n';
        }
    }
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    #ifdef NCR
        init();
    #endif
    #ifdef SIEVE
        sieve();
    #endif
        solve();
    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 155340 KB Output is correct
2 Correct 69 ms 155372 KB Output is correct
3 Correct 73 ms 155480 KB Output is correct
4 Correct 65 ms 155640 KB Output is correct
5 Correct 68 ms 155412 KB Output is correct
6 Correct 63 ms 155416 KB Output is correct
7 Correct 66 ms 155468 KB Output is correct
8 Correct 70 ms 155564 KB Output is correct
9 Correct 67 ms 155400 KB Output is correct
10 Correct 69 ms 155380 KB Output is correct
11 Correct 67 ms 155528 KB Output is correct
12 Correct 67 ms 155532 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 155340 KB Output is correct
2 Correct 69 ms 155372 KB Output is correct
3 Correct 73 ms 155480 KB Output is correct
4 Correct 65 ms 155640 KB Output is correct
5 Correct 68 ms 155412 KB Output is correct
6 Correct 63 ms 155416 KB Output is correct
7 Correct 66 ms 155468 KB Output is correct
8 Correct 70 ms 155564 KB Output is correct
9 Correct 67 ms 155400 KB Output is correct
10 Correct 69 ms 155380 KB Output is correct
11 Correct 67 ms 155528 KB Output is correct
12 Correct 67 ms 155532 KB Output is correct
13 Correct 86 ms 156140 KB Output is correct
14 Correct 69 ms 156856 KB Output is correct
15 Correct 67 ms 157524 KB Output is correct
16 Correct 69 ms 158204 KB Output is correct
17 Correct 77 ms 156084 KB Output is correct
18 Correct 69 ms 156744 KB Output is correct
19 Correct 71 ms 157388 KB Output is correct
20 Correct 74 ms 158284 KB Output is correct
21 Correct 74 ms 156100 KB Output is correct
22 Correct 73 ms 156748 KB Output is correct
23 Correct 72 ms 157368 KB Output is correct
24 Correct 75 ms 158012 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 578 ms 233788 KB Output is correct
2 Correct 1068 ms 302376 KB Output is correct
3 Correct 1523 ms 369464 KB Output is correct
4 Correct 1930 ms 441500 KB Output is correct
5 Correct 656 ms 233804 KB Output is correct
6 Correct 1186 ms 299892 KB Output is correct
7 Correct 1748 ms 364492 KB Output is correct
8 Correct 2294 ms 429824 KB Output is correct
9 Correct 645 ms 233896 KB Output is correct
10 Correct 1088 ms 300924 KB Output is correct
11 Correct 1488 ms 366908 KB Output is correct
12 Correct 1986 ms 432276 KB Output is correct

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 155340 KB Output is correct
2 Correct 69 ms 155372 KB Output is correct
3 Correct 73 ms 155480 KB Output is correct
4 Correct 65 ms 155640 KB Output is correct
5 Correct 68 ms 155412 KB Output is correct
6 Correct 63 ms 155416 KB Output is correct
7 Correct 66 ms 155468 KB Output is correct
8 Correct 70 ms 155564 KB Output is correct
9 Correct 67 ms 155400 KB Output is correct
10 Correct 69 ms 155380 KB Output is correct
11 Correct 67 ms 155528 KB Output is correct
12 Correct 67 ms 155532 KB Output is correct
13 Correct 86 ms 156140 KB Output is correct
14 Correct 69 ms 156856 KB Output is correct
15 Correct 67 ms 157524 KB Output is correct
16 Correct 69 ms 158204 KB Output is correct
17 Correct 77 ms 156084 KB Output is correct
18 Correct 69 ms 156744 KB Output is correct
19 Correct 71 ms 157388 KB Output is correct
20 Correct 74 ms 158284 KB Output is correct
21 Correct 74 ms 156100 KB Output is correct
22 Correct 73 ms 156748 KB Output is correct
23 Correct 72 ms 157368 KB Output is correct
24 Correct 75 ms 158012 KB Output is correct
25 Correct 578 ms 233788 KB Output is correct
26 Correct 1068 ms 302376 KB Output is correct
27 Correct 1523 ms 369464 KB Output is correct
28 Correct 1930 ms 441500 KB Output is correct
29 Correct 656 ms 233804 KB Output is correct
30 Correct 1186 ms 299892 KB Output is correct
31 Correct 1748 ms 364492 KB Output is correct
32 Correct 2294 ms 429824 KB Output is correct
33 Correct 645 ms 233896 KB Output is correct
34 Correct 1088 ms 300924 KB Output is correct
35 Correct 1488 ms 366908 KB Output is correct
36 Correct 1986 ms 432276 KB Output is correct
37 Correct 965 ms 237472 KB Output is correct
38 Correct 1559 ms 305688 KB Output is correct
39 Correct 1931 ms 374808 KB Output is correct
40 Correct 2223 ms 441828 KB Output is correct
41 Correct 1081 ms 234468 KB Output is correct
42 Correct 1746 ms 299940 KB Output is correct
43 Correct 2156 ms 364564 KB Output is correct
44 Correct 2564 ms 429600 KB Output is correct
45 Correct 1113 ms 234344 KB Output is correct
46 Correct 1762 ms 301144 KB Output is correct
47 Correct 2130 ms 366024 KB Output is correct
48 Correct 2284 ms 432384 KB Output is correct