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Submission #1098590

# Submission time Handle Problem Language Result Execution time Memory
1098590 2024-10-09T15:59:10 Z hiensumi Klasika (COCI20_klasika) C++14
33 / 110
 3154 ms 524296 KB 
#include <bits/stdc++.h>
using namespace std;
#define fod(i,a,b) for(int i = (int) (a); i <= (int) (b); i++)
#define fok(i,a,b) for(int i = (int) (a); i >= (int) (b); i--)
#define ll long long
#define pb push_back
#define pii pair<int,int>
#define mp make_pair
#define fi first
#define se second
#define el '\n'
#define ve vector
#define vi ve<int>
#define vll ve<ll>
#define mask(a) (1LL<<(a))
#define BIT(msk,i) (msk>>(i)&1LL)
using namespace std;
template <class T> bool mini(T &a, T b){ return (a > (b)) ? a = (b), 1 : 0; }
template <class T> bool maxi(T &a, T b){ return (a < (b)) ? a = (b), 1 : 0; }
#define name "klasika"

int n = 1, q;

const int N = 2e5;

struct Query{
    bool new_node;
    int x, y;
}query[N + 5];

ve <ve<pii>> g;

int in[N + 5], out[N + 5], timedfs = 0;
int f[N + 5];

void dfs(int u, int p){
    in[u] = ++timedfs;
    for(pii who : g[u]) if(who.fi != p){
        int v, w; tie(v, w) = who;
        f[v] = f[u] xor w;
        dfs(v, u);
    }
    out[u] = timedfs;
}

int num_node = 1, trie[31 * N + 5][2];
set <int> ids[31 * N + 5];

inline void add(int val, int id){
    int i = 1;
    fok(j,30,0){
        int w = BIT(val, j);
        if(!trie[i][w]) trie[i][w] = ++num_node;
        i = trie[i][w];
        ids[i].insert(id);
    }
}

int get(int val, int l, int r){
    int i = 1;
    int res = 0;

    fok(j,30,0){
        if(BIT(val, j)){
            if(!trie[i][0] or ids[trie[i][0]].lower_bound(l) == ids[trie[i][0]].upper_bound(r)) i = trie[i][1];
            else{
                res += mask(j);
                i = trie[i][0];
            }
        }
        else{
            if(!trie[i][1] or ids[trie[i][1]].lower_bound(l) == ids[trie[i][1]].upper_bound(r)) i = trie[i][0];
            else{
                res += mask(j);
                i = trie[i][1];
            }
        }
    }

    return res;
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0);

    cin >> q;

    g.resize(q + 1);

    fod(i,1,q){
        string s; cin >> s;
        int x, y; cin >> x >> y;

        if(s == "Add"){
            n++;
            g[x].pb(mp(n, y));
            g[n].pb(mp(x, y));
            query[i] = Query{1, n, y};
        }
        else query[i] = Query{0, x, y};
    }

    dfs(1, 0);

    add(f[1], in[1]);

    fod(i,1,q){
        if(query[i].new_node){
            add(f[query[i].x], in[query[i].x]);
            assert(num_node <= 1e6);
        }
        else{
            cout << get(f[query[i].x], in[query[i].y], out[query[i].y]) << el;
        }
    }

    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 291664 KB Output is correct
2 Correct 107 ms 291664 KB Output is correct
3 Correct 108 ms 291640 KB Output is correct
4 Correct 113 ms 291676 KB Output is correct
5 Correct 109 ms 291664 KB Output is correct
6 Correct 108 ms 291660 KB Output is correct
7 Correct 107 ms 291664 KB Output is correct
8 Correct 107 ms 291924 KB Output is correct
9 Correct 117 ms 291668 KB Output is correct
10 Correct 106 ms 291816 KB Output is correct
11 Correct 109 ms 291668 KB Output is correct
12 Correct 126 ms 291920 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 291664 KB Output is correct
2 Correct 107 ms 291664 KB Output is correct
3 Correct 108 ms 291640 KB Output is correct
4 Correct 113 ms 291676 KB Output is correct
5 Correct 109 ms 291664 KB Output is correct
6 Correct 108 ms 291660 KB Output is correct
7 Correct 107 ms 291664 KB Output is correct
8 Correct 107 ms 291924 KB Output is correct
9 Correct 117 ms 291668 KB Output is correct
10 Correct 106 ms 291816 KB Output is correct
11 Correct 109 ms 291668 KB Output is correct
12 Correct 126 ms 291920 KB Output is correct
13 Correct 131 ms 292432 KB Output is correct
14 Correct 119 ms 293032 KB Output is correct
15 Correct 125 ms 293716 KB Output is correct
16 Correct 130 ms 294292 KB Output is correct
17 Correct 138 ms 292236 KB Output is correct
18 Correct 150 ms 293108 KB Output is correct
19 Correct 127 ms 293716 KB Output is correct
20 Correct 132 ms 294320 KB Output is correct
21 Correct 153 ms 292436 KB Output is correct
22 Correct 132 ms 292948 KB Output is correct
23 Correct 129 ms 293712 KB Output is correct
24 Correct 133 ms 294228 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 723 ms 370264 KB Output is correct
2 Runtime error 3154 ms 524296 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 291664 KB Output is correct
2 Correct 107 ms 291664 KB Output is correct
3 Correct 108 ms 291640 KB Output is correct
4 Correct 113 ms 291676 KB Output is correct
5 Correct 109 ms 291664 KB Output is correct
6 Correct 108 ms 291660 KB Output is correct
7 Correct 107 ms 291664 KB Output is correct
8 Correct 107 ms 291924 KB Output is correct
9 Correct 117 ms 291668 KB Output is correct
10 Correct 106 ms 291816 KB Output is correct
11 Correct 109 ms 291668 KB Output is correct
12 Correct 126 ms 291920 KB Output is correct
13 Correct 131 ms 292432 KB Output is correct
14 Correct 119 ms 293032 KB Output is correct
15 Correct 125 ms 293716 KB Output is correct
16 Correct 130 ms 294292 KB Output is correct
17 Correct 138 ms 292236 KB Output is correct
18 Correct 150 ms 293108 KB Output is correct
19 Correct 127 ms 293716 KB Output is correct
20 Correct 132 ms 294320 KB Output is correct
21 Correct 153 ms 292436 KB Output is correct
22 Correct 132 ms 292948 KB Output is correct
23 Correct 129 ms 293712 KB Output is correct
24 Correct 133 ms 294228 KB Output is correct
25 Correct 723 ms 370264 KB Output is correct
26 Runtime error 3154 ms 524296 KB Execution killed with signal 9
27 Halted 0 ms 0 KB -