oj.uz

Submission #1105185

# Submission time Handle Problem Language Result Execution time Memory
1105185 2024-10-25T16:12:54 Z anarch_y Tropical Garden (IOI11_garden) C++17
69 / 100
 5000 ms 50248 KB 
#include "garden.h"
#include "gardenlib.h"

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) begin(x), end(x)
#define sz(x) (int)x.size()
#define pb push_back

void count_routes(int N, int M, int P, int R[][2], int Q, int G[]){
    int n = N, m = M;
    vector<pair<int, int>> vec[n];
    int mn[n] = {};
    for(int i=1; i<=m; i++){
        int a, b; a = R[i-1][0], b = R[i-1][1];
        vec[a].pb({b, i}); vec[b].pb({a, i});
        if(mn[a] == 0) mn[a] = i;
        if(mn[b] == 0) mn[b] = i; 
    } 
    int to[2*n] = {};
    for(int a=0; a<n; a++){
        auto [b, i] = vec[a][0];
        if(mn[b] == i) to[a] = n+b;
        else to[a] = b;
        if(sz(vec[a]) >= 2){
            auto [c, j] = vec[a][1];
            if(mn[c] == j) to[n+a] = n+c;
            else to[n+a] = c; 
        }
        else{
            if(mn[b] == i) to[n+a] = n+b;
            else to[n+a] = b;
        }
    }
    int succ[2*n][30] = {};
    for(int a=0; a<2*n; a++){
        succ[a][0] = to[a];
    }
    for(int i=1; i<30; i++){
        for(int a=0; a<2*n; a++){
            succ[a][i] = succ[succ[a][i-1]][i-1];
        }
    }
    int p = P;
    int q = Q;
    int qry[q] = {};
    for(int i=0; i<q; i++) qry[i] = G[i];
    for(int i=0; i<q; i++){
        int k = qry[i];
        int ans = 0;
        for(int a=0; a<n; a++){
            int x = a;
            for(int i=0; i<30; i++){
                if(k & (1<<i)) x = succ[x][i];
            }
            if(x == p or x == n+p) ans++;
        }
        answer(ans);
    }
}

Subtask #1
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 1 ms 404 KB Output is correct
8 Correct 1 ms 592 KB Output is correct
9 Correct 2 ms 848 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 1 ms 404 KB Output is correct
8 Correct 1 ms 592 KB Output is correct
9 Correct 2 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 16 ms 9532 KB Output is correct
12 Correct 37 ms 14624 KB Output is correct
13 Correct 53 ms 28576 KB Output is correct
14 Correct 106 ms 45436 KB Output is correct
15 Correct 118 ms 45128 KB Output is correct
16 Correct 88 ms 32584 KB Output is correct
17 Correct 78 ms 29164 KB Output is correct
18 Correct 46 ms 14664 KB Output is correct
19 Correct 113 ms 44416 KB Output is correct
20 Correct 110 ms 45640 KB Output is correct
21 Correct 85 ms 33472 KB Output is correct
22 Correct 85 ms 28540 KB Output is correct
23 Correct 128 ms 50248 KB Output is correct

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 1 ms 404 KB Output is correct
8 Correct 1 ms 592 KB Output is correct
9 Correct 2 ms 848 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 16 ms 9532 KB Output is correct
12 Correct 37 ms 14624 KB Output is correct
13 Correct 53 ms 28576 KB Output is correct
14 Correct 106 ms 45436 KB Output is correct
15 Correct 118 ms 45128 KB Output is correct
16 Correct 88 ms 32584 KB Output is correct
17 Correct 78 ms 29164 KB Output is correct
18 Correct 46 ms 14664 KB Output is correct
19 Correct 113 ms 44416 KB Output is correct
20 Correct 110 ms 45640 KB Output is correct
21 Correct 85 ms 33472 KB Output is correct
22 Correct 85 ms 28540 KB Output is correct
23 Correct 128 ms 50248 KB Output is correct
24 Correct 8 ms 336 KB Output is correct
25 Correct 2890 ms 9756 KB Output is correct
26 Execution timed out 5052 ms 14912 KB Time limit exceeded
27 Halted 0 ms 0 KB -