oj.uz

Submission #928648

# Submission time Handle Problem Language Result Execution time Memory
928648 2024-02-17T00:27:36 Z OAleksa Tropical Garden (IOI11_garden) C++14
69 / 100
 5000 ms 50512 KB 
#include "garden.h"
#include "gardenlib.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 150069;
const int K = 30;
int up[2 * N][K], vis[N], n, nxt[2 * N], deg[2 * N];
vector<int> t[N];
void dfs(int v) {
   vis[v] = 1;
   if (t[t[v][0]][0] == v && (int)t[t[v][0]].size() > 1)
      nxt[v] = n + t[v][0], deg[n + t[v][0]]++;
   else
      nxt[v] = t[v][0], deg[t[v][0]]++;
   if (t[v].size() > 1) {
      if (t[t[v][1]][0] == v && (int)t[t[v][1]].size() > 1)
         nxt[n + v] = n + t[v][1], deg[n + t[v][1]]++;
      else
         nxt[n + v] = t[v][1], deg[t[v][1]]++;
   }
   for (auto u : t[v]) {
      if (!vis[u])
         dfs(u);
   }
}

void count_routes(int n1, int m, int p, int r[][2], int q, int k[])
{
   ++p;
   n = n1;
   for (int i = 0;i < m;i++) {
      r[i][0]++, r[i][1]++;
      t[r[i][0]].push_back(r[i][1]);
      t[r[i][1]].push_back(r[i][0]);
   }
   for (int i = 1;i <= n;i++) {
      if (!vis[i])
         dfs(i);
   }
   //graf ima 2 * N cvorova!
   for (int i = 1;i <= 2 * n;i++)
      up[i][0] = nxt[i];
   for (int j = 1;j < K;j++) {
      for (int i = 1;i <= 2 * n;i++) {
         up[i][j] = up[up[i][j - 1]][j - 1];
      }
   }
   for (int i = 0;i < q;i++) {
      int ans = 0;
      for (int j = 1;j <= n;j++) {
         int d = j;
         for (int l = 0;l < K;l++) {
            if (k[i] >> l & 1)
               d = up[d][l];
         }
         ans += (d == p || d == n + p);
      }
      answer(ans);
   }
}
/*
6 6 0
1 2
0 1
0 3
3 4
4 5
1 5
1
3
2

5 5 2
1 0
1 2
3 2
1 3
4 2
2
3 1
1 2

*/

Subtask #1
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10840 KB Output is correct
2 Correct 2 ms 10844 KB Output is correct
3 Correct 2 ms 10844 KB Output is correct
4 Correct 2 ms 10844 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 2 ms 10844 KB Output is correct
7 Correct 2 ms 10844 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 4 ms 11100 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10840 KB Output is correct
2 Correct 2 ms 10844 KB Output is correct
3 Correct 2 ms 10844 KB Output is correct
4 Correct 2 ms 10844 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 2 ms 10844 KB Output is correct
7 Correct 2 ms 10844 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 4 ms 11100 KB Output is correct
10 Correct 2 ms 10844 KB Output is correct
11 Correct 12 ms 15964 KB Output is correct
12 Correct 24 ms 21596 KB Output is correct
13 Correct 67 ms 36948 KB Output is correct
14 Correct 109 ms 48212 KB Output is correct
15 Correct 134 ms 48720 KB Output is correct
16 Correct 80 ms 38064 KB Output is correct
17 Correct 63 ms 33616 KB Output is correct
18 Correct 22 ms 21584 KB Output is correct
19 Correct 112 ms 48304 KB Output is correct
20 Correct 110 ms 48720 KB Output is correct
21 Correct 87 ms 38012 KB Output is correct
22 Correct 64 ms 33616 KB Output is correct
23 Correct 122 ms 50512 KB Output is correct

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10840 KB Output is correct
2 Correct 2 ms 10844 KB Output is correct
3 Correct 2 ms 10844 KB Output is correct
4 Correct 2 ms 10844 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 2 ms 10844 KB Output is correct
7 Correct 2 ms 10844 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 4 ms 11100 KB Output is correct
10 Correct 2 ms 10844 KB Output is correct
11 Correct 12 ms 15964 KB Output is correct
12 Correct 24 ms 21596 KB Output is correct
13 Correct 67 ms 36948 KB Output is correct
14 Correct 109 ms 48212 KB Output is correct
15 Correct 134 ms 48720 KB Output is correct
16 Correct 80 ms 38064 KB Output is correct
17 Correct 63 ms 33616 KB Output is correct
18 Correct 22 ms 21584 KB Output is correct
19 Correct 112 ms 48304 KB Output is correct
20 Correct 110 ms 48720 KB Output is correct
21 Correct 87 ms 38012 KB Output is correct
22 Correct 64 ms 33616 KB Output is correct
23 Correct 122 ms 50512 KB Output is correct
24 Correct 8 ms 10840 KB Output is correct
25 Correct 2835 ms 16152 KB Output is correct
26 Execution timed out 5041 ms 21352 KB Time limit exceeded
27 Halted 0 ms 0 KB -