oj.uz

Submission #805395

# Submission time Handle Problem Language Result Execution time Memory
805395 2023-08-03T16:20:11 Z peijar Koala Game (APIO17_koala) C++17
47 / 100
 48 ms 444 KB 
#include "koala.h"
#include <bits/stdc++.h>
using namespace std;

string to_string(string s) { return s; }
template <typename T> string to_string(T v) {
  bool first = true;
  string res = "[";
  for (const auto &x : v) {
    if (!first)
      res += ", ";
    first = false;
    res += to_string(x);
  }
  res += "]";
  return res;
}

void dbg_out() { cout << endl; }
template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T) {
  cout << ' ' << to_string(H);
  dbg_out(T...);
}

#ifdef DEBUG
#define dbg(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif

int minValue(int N, int W) {
  vector<int> b(N);
  b[0] = 1;
  vector<int> r(N);
  playRound(b.data(), r.data());
  for (int i = 0; i < N; ++i)
    if (b[i] >= r[i])
      return i;
  assert(false);
}

int maxValue(int N, int W) {
  vector<int> candidats(N);
  iota(candidats.begin(), candidats.end(), 0);

  while (candidats.size() > 1) {
    int nbCandidats = candidats.size();
    vector<int> b(N);
    for (int u : candidats)
      b[u] = W / nbCandidats;
    vector<int> r(N);
    playRound(b.data(), r.data());
    ;
    vector<int> nxt;
    for (int u : candidats)
      if (b[u] < r[u])
        nxt.push_back(u);
    candidats = nxt;
  }
  assert(!candidats.empty());
  return candidats[0];
  return 0;
}

int greaterValue(int N, int W) {
  int lo = 1, up = 9;
  while (true) {
    int x = (lo + up) / 2;
    vector<int> b(N), r(N);
    b[0] = b[1] = x;
    playRound(b.data(), r.data());
    int take0 = b[0] < r[0];
    int take1 = b[1] < r[1];
    dbg(x, take0, take1);
    if (take0 and take1)
      lo = x + 1;
    else if (!take0 and !take1)
      up = x - 1;
    else if (take0)
      return 0;
    else
      return 1;
  }
}

void allValues(int N, int W, int *P) {
  if (W == 2 * N) {

    auto compare = [&](int i, int j) {
      vector<int> b(N);
      b[i] = b[j] = N;
      vector<int> r(N);
      playRound(b.data(), r.data());
      assert((b[i] < r[i]) xor (b[j] < r[j]));
      return b[i] >= r[i];
    };

    vector<int> order(N);
    iota(order.begin(), order.end(), 0);
    auto merge_sort = [&](auto rec, vector<int> toSort) {
      if (toSort.size() == 1)
        return toSort;
      vector<int> l, r;
      for (int i = 0; i < (int)toSort.size(); ++i)
        (i % 2 ? r : l).push_back(toSort[i]);
      l = rec(rec, l);
      r = rec(rec, r);
      merge(l.begin(), l.end(), r.begin(), r.end(), toSort.begin(), compare);
      return toSort;
    };

    order = merge_sort(merge_sort, order);
    for (int i = 0; i < N; ++i)
      P[order[i]] = i + 1;

    // TODO: Implement Subtask 4 solution here.
    // You may leave this block unmodified if you are not attempting this
    // subtask.
  } else {
    // TODO: Implement Subtask 5 solution here.
    // You may leave this block unmodified if you are not attempting this
    // subtask.
  }
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 208 KB Output is correct
2 Correct 3 ms 208 KB Output is correct
3 Correct 3 ms 208 KB Output is correct
4 Correct 4 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 208 KB Output is correct
2 Correct 10 ms 316 KB Output is correct
3 Correct 10 ms 208 KB Output is correct
4 Correct 10 ms 320 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 340 KB Output is correct
2 Correct 48 ms 324 KB Output is correct
3 Correct 44 ms 324 KB Output is correct
4 Correct 39 ms 348 KB Output is correct
5 Correct 42 ms 324 KB Output is correct
6 Correct 43 ms 444 KB Output is correct
7 Correct 40 ms 340 KB Output is correct
8 Correct 40 ms 328 KB Output is correct
9 Correct 41 ms 328 KB Output is correct
10 Correct 42 ms 208 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 208 KB Output is correct
2 Correct 25 ms 208 KB Output is correct
3 Correct 25 ms 320 KB Output is correct
4 Correct 24 ms 208 KB Output is correct
5 Correct 25 ms 208 KB Output is correct
6 Correct 25 ms 320 KB Output is correct
7 Correct 24 ms 208 KB Output is correct
8 Correct 24 ms 208 KB Output is correct
9 Correct 24 ms 316 KB Output is correct
10 Correct 24 ms 316 KB Output is correct
11 Correct 25 ms 316 KB Output is correct
12 Correct 25 ms 316 KB Output is correct
13 Correct 24 ms 208 KB Output is correct
14 Correct 26 ms 316 KB Output is correct
15 Correct 26 ms 208 KB Output is correct
16 Correct 24 ms 324 KB Output is correct
17 Correct 28 ms 308 KB Output is correct
18 Correct 26 ms 320 KB Output is correct
19 Correct 24 ms 316 KB Output is correct
20 Correct 25 ms 208 KB Output is correct

Subtask #5
0 / 53.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -