Submission #1016166

#	Time	Username	Problem	Language	Result	Execution time	Memory
1016166		MilosMilutinovic	Saveit (IOI10_saveit)	C++14	50 / 100	155 ms	12712 KiB

encoder

#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]);
  }
  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 i = 0; i < nv; i++) {
      for (int b = 0; b < 10; b++) {
        if (dist[i] >> b & 1) {
          encode_bit(1);
        } else {
          encode_bit(0);
        }
      }
    }
  }
  return;
}

decoder

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

using namespace std;

void decode(int nv, int nh) {
  for (int h = 0; h < nh; h++) {
    for (int i = 0; i < nv; i++) {
      int d = 0;
      for (int b = 0; b < 10; b++) {
        if (decode_bit() == 1) {
          d += (1 << b);
        }
      }
      hops(h, i, d);
    }
  }
}

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25