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Submission #1017039

# Submission time Handle Problem Language Result Execution time Memory
1017039 2024-07-08T18:40:17 Z MilosMilutinovic Saveit (IOI10_saveit) C++14
0 / 100
 254 ms 262144 KB 
#include "grader.h"
#include "encoder.h"
#include <bits/stdc++.h>

using namespace std;

void encode(int nv, int nh, int ne, int *v1, int *v2) {
  vector<vector<int>> g(nv);
  for (int i = 0; i < ne; i++) {
    g[v1[i]].push_back(v2[i]);
    g[v2[i]].push_back(v1[i]);
  }
  vector<int> par(nv, -1);
  function<void(int, int)> Dfs = [&](int v, int pv) {
    par[v] = pv;
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      Dfs(u, v);
    }
  }; 
  Dfs(0, 0);
  for (int v = 0; v < nv; v++) {
    for (int b = 0; b < 10; b++) {
      encode_bit(par[v] >> b & 1);
    }
  }
  for (int h = 0; h < nh; h++) {
    vector<int> dist(nv, -1);
    dist[h] = 0;
    vector<int> que(1, h);
    for (int b = 0; b < (int) que.size(); b++) {
      int i = que[b];
      for (int j : g[i]) {
        if (dist[j] == -1) {
          dist[j] = dist[i] + 1;
          que.push_back(j);
        }
      }
    }
    for (int v = 0; v < nv; v++) {
      if (dist[v] == dist[par[v]]) {
        encode_bit(0);
        encode_bit(0);
      }
      if (dist[v] == dist[par[v]] + 1) {
        encode_bit(0);
        encode_bit(1);
      }
      if (dist[v] == dist[par[v]] - 1) {
        encode_bit(1);
        encode_bit(0);
      }
    }
  }
  return;
}

#include "grader.h"
#include "decoder.h"
#include <bits/stdc++.h>

using namespace std;

void decode(int nv, int nh) {
  vector<int> par(nv);
  for (int v = 0; v < nv; v++) {
    for (int b = 0; b < 10; b++) {
      if (decode_bit()) {
        par[v] += (1 << b);
      }
    }
  }
  vector<vector<int>> ch(nv);
  for (int i = 1; i < nv; i++) {
    ch[par[i]].push_back(i);
  }
  for (int h = 0; h < nh; h++) {
    vector<int> d(nv);
    for (int v = 0; v < nv; v++) {
      int t = 0;
      t += 2 * decode_bit();
      t += decode_bit();
      d[t] = (t == 0 ? 0 : (t == 1 ? 1 : -1));
    }
    vector<int> dist(nv, -1);
    dist[h] = 0;
    vector<int> que(1, h);
    for (int b = 0; b < (int) que.size(); b++) {
      int i = que[b];
      for (int j : ch[i]) {
        dist[j] = dist[i] + d[i];
        que.push_back(j);
      }
      if (dist[par[i]] == -1) {
        dist[par[i]] = dist[i] - d[i];
        que.push_back(par[i]);
      }
    }
    for (int v = 0; v < nv; v++) {
      hops(h, v, dist[v]);
    }
  }
}

Subtask #1
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 254 ms 262144 KB Execution killed with signal 9
2 Runtime error 139 ms 262144 KB Execution killed with signal 9
3 Runtime error 148 ms 262144 KB Execution killed with signal 9
4 Runtime error 159 ms 262144 KB Execution killed with signal 9
5 Runtime error 147 ms 262144 KB Execution killed with signal 9
6 Runtime error 144 ms 262144 KB Execution killed with signal 9
7 Runtime error 156 ms 262144 KB Execution killed with signal 9
8 Runtime error 144 ms 262144 KB Execution killed with signal 9
9 Runtime error 140 ms 262144 KB Execution killed with signal 9
10 Runtime error 142 ms 262144 KB Execution killed with signal 9
11 Runtime error 157 ms 262144 KB Execution killed with signal 9
12 Runtime error 236 ms 262144 KB Execution killed with signal 9
13 Runtime error 156 ms 262144 KB Execution killed with signal 9
14 Runtime error 136 ms 262144 KB Execution killed with signal 9
15 Runtime error 159 ms 262144 KB Execution killed with signal 9
16 Runtime error 149 ms 262144 KB Execution killed with signal 9
17 Runtime error 157 ms 262144 KB Execution killed with signal 9
18 Runtime error 163 ms 262144 KB Execution killed with signal 9
19 Runtime error 143 ms 262144 KB Execution killed with signal 9
20 Runtime error 173 ms 262144 KB Execution killed with signal 9
21 Runtime error 173 ms 262144 KB Execution killed with signal 9
22 Runtime error 155 ms 262144 KB Execution killed with signal 9
23 Runtime error 164 ms 262144 KB Execution killed with signal 9

Subtask #2
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 254 ms 262144 KB Execution killed with signal 9
2 Runtime error 139 ms 262144 KB Execution killed with signal 9
3 Runtime error 148 ms 262144 KB Execution killed with signal 9
4 Runtime error 159 ms 262144 KB Execution killed with signal 9
5 Runtime error 147 ms 262144 KB Execution killed with signal 9
6 Runtime error 144 ms 262144 KB Execution killed with signal 9
7 Runtime error 156 ms 262144 KB Execution killed with signal 9
8 Runtime error 144 ms 262144 KB Execution killed with signal 9
9 Runtime error 140 ms 262144 KB Execution killed with signal 9
10 Runtime error 142 ms 262144 KB Execution killed with signal 9
11 Runtime error 157 ms 262144 KB Execution killed with signal 9
12 Runtime error 236 ms 262144 KB Execution killed with signal 9
13 Runtime error 156 ms 262144 KB Execution killed with signal 9
14 Runtime error 136 ms 262144 KB Execution killed with signal 9
15 Runtime error 159 ms 262144 KB Execution killed with signal 9
16 Runtime error 149 ms 262144 KB Execution killed with signal 9
17 Runtime error 157 ms 262144 KB Execution killed with signal 9
18 Runtime error 163 ms 262144 KB Execution killed with signal 9
19 Runtime error 143 ms 262144 KB Execution killed with signal 9
20 Runtime error 173 ms 262144 KB Execution killed with signal 9
21 Runtime error 173 ms 262144 KB Execution killed with signal 9
22 Runtime error 155 ms 262144 KB Execution killed with signal 9
23 Runtime error 164 ms 262144 KB Execution killed with signal 9

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 254 ms 262144 KB Execution killed with signal 9
2 Runtime error 139 ms 262144 KB Execution killed with signal 9
3 Runtime error 148 ms 262144 KB Execution killed with signal 9
4 Runtime error 159 ms 262144 KB Execution killed with signal 9
5 Runtime error 147 ms 262144 KB Execution killed with signal 9
6 Runtime error 144 ms 262144 KB Execution killed with signal 9
7 Runtime error 156 ms 262144 KB Execution killed with signal 9
8 Runtime error 144 ms 262144 KB Execution killed with signal 9
9 Runtime error 140 ms 262144 KB Execution killed with signal 9
10 Runtime error 142 ms 262144 KB Execution killed with signal 9
11 Runtime error 157 ms 262144 KB Execution killed with signal 9
12 Runtime error 236 ms 262144 KB Execution killed with signal 9
13 Runtime error 156 ms 262144 KB Execution killed with signal 9
14 Runtime error 136 ms 262144 KB Execution killed with signal 9
15 Runtime error 159 ms 262144 KB Execution killed with signal 9
16 Runtime error 149 ms 262144 KB Execution killed with signal 9
17 Runtime error 157 ms 262144 KB Execution killed with signal 9
18 Runtime error 163 ms 262144 KB Execution killed with signal 9
19 Runtime error 143 ms 262144 KB Execution killed with signal 9
20 Runtime error 173 ms 262144 KB Execution killed with signal 9
21 Runtime error 173 ms 262144 KB Execution killed with signal 9
22 Runtime error 155 ms 262144 KB Execution killed with signal 9
23 Runtime error 164 ms 262144 KB Execution killed with signal 9

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 254 ms 262144 KB Execution killed with signal 9
2 Runtime error 139 ms 262144 KB Execution killed with signal 9
3 Runtime error 148 ms 262144 KB Execution killed with signal 9
4 Runtime error 159 ms 262144 KB Execution killed with signal 9
5 Runtime error 147 ms 262144 KB Execution killed with signal 9
6 Runtime error 144 ms 262144 KB Execution killed with signal 9
7 Runtime error 156 ms 262144 KB Execution killed with signal 9
8 Runtime error 144 ms 262144 KB Execution killed with signal 9
9 Runtime error 140 ms 262144 KB Execution killed with signal 9
10 Runtime error 142 ms 262144 KB Execution killed with signal 9
11 Runtime error 157 ms 262144 KB Execution killed with signal 9
12 Runtime error 236 ms 262144 KB Execution killed with signal 9
13 Runtime error 156 ms 262144 KB Execution killed with signal 9
14 Runtime error 136 ms 262144 KB Execution killed with signal 9
15 Runtime error 159 ms 262144 KB Execution killed with signal 9
16 Runtime error 149 ms 262144 KB Execution killed with signal 9
17 Runtime error 157 ms 262144 KB Execution killed with signal 9
18 Runtime error 163 ms 262144 KB Execution killed with signal 9
19 Runtime error 143 ms 262144 KB Execution killed with signal 9
20 Runtime error 173 ms 262144 KB Execution killed with signal 9
21 Runtime error 173 ms 262144 KB Execution killed with signal 9
22 Runtime error 155 ms 262144 KB Execution killed with signal 9
23 Runtime error 164 ms 262144 KB Execution killed with signal 9