oj.uz

Submission #224415

# Submission time Handle Problem Language Result Execution time Memory
224415 2020-04-17T20:05:09 Z Bruteforceman Koala Game (APIO17_koala) C++11
70 / 100
 72 ms 420 KB 
#include <bits/stdc++.h>
#include "koala.h"
using namespace std;

int minValue(int N, int W) {
    // TODO: Implement Subtask 1 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    int A[N], B[N];
    for(int i = 0; i < N; i++) {
      if(i)  A[i] = 0;
      else A[i] = 1;
    }
    playRound(A, B);
    for(int i = 0; i < N; i++) {
      if(A[i] >= B[i]) return i;
    }
    return 0;
}

int maxValue(int N, int W) {
    // TODO: Implement Subtask 2 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
  vector <int> can;
  for(int i = 0; i < N; i++) can.emplace_back(i);
  int A[N], B[N];
  while(can.size() > 1) {
    int i = W / can.size();
    i = min(10, i);
    memset(A, 0, sizeof A);
    for(int j : can) {
      A[j] = i;
    }
    playRound(A, B);
    vector <int> aux;
    for(int j : can) {
      if(A[j] < B[j]) aux.emplace_back(j);
    }
    swap(can, aux);
    if(can.size() == 1) return can[0];
  }
  return 0;
}

int cmp(int sz, int coin,  int N, int W) {
    // TODO: Implement Subtask 3 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
  if(N == W) return 0;
  int l = 1, r = min(13, coin / 2);
  int A[sz],  B[sz];
  while(l <= r) {
    int m = (l + r) >> 1;
    memset(A, 0, sizeof A);
    A[N] = A[W] = m;
    playRound(A, B);
    if(A[N] < B[N] && A[W] < B[W]) {
      l = m + 1;
    } else if (A[N] >= B[N] && A[W] >= B[W]) {
      r = m - 1;
    } else {
      return B[N] < B[W];
    }
  }
  return 0;
}
int greaterValue(int N, int W) {
  return cmp(N, W, 0, 1);
}
void selfSort(vector <int> &v, function <bool (int, int)> f) {
  if(v.size() == 3) {
    if(f(v[1], v[0])) swap(v[0], v[1]);
    if(f(v[2], v[1])) swap(v[1], v[2]);
    if(f(v[1], v[0])) swap(v[0], v[1]);
    return ;
  }
  if(v.size() <= 1) return ;
  vector <int> l, r;
  int m = v.size() / 2;
  for(int i = 0; i < m; i++) l.emplace_back(v[i]);
  for(int i = m; i < v.size(); i++) r.emplace_back(v[i]);
  v.clear();
  selfSort(l, f);
  selfSort(r, f);
  int i = 0, j = 0;
  while(i < l.size() || j < r.size()) {
    if(i < l.size() && j < r.size()) {
      if(f(l[i], r[j])) v.emplace_back(l[i++]);
      else v.emplace_back(r[j++]);
    } else if (i < l.size()) v.emplace_back(l[i++]);
    else v.emplace_back(r[j++]);
  }
}
void getAll(vector <int> &v, int N, int W) {
  int opt = W / v.size();
  if(opt > 10) {
    selfSort(v, [&] (int i, int j) { return cmp(N, W, i, j); });
    return ;
  }
  int A[N], B[N];
  memset(A, 0, sizeof A);
  for(int i : v) {
    A[i] = opt;
  }
  playRound(A, B);
  vector <int> left, right;
  for(int i : v) {
    if(A[i] < B[i]) right.emplace_back(i);
    else left.emplace_back(i);
  }
  if(left.empty() || right.empty()) {
    selfSort(v, [&] (int i, int j) { return cmp(N, W, i, j); });
  } else {
    getAll(left, N, W);
    getAll(right, N, W);
    v = left;
    for(int i : right) v.emplace_back(i);
  }
}
void allValues(int N, int W, int *P) {
  vector <int> v (N);
  for(int i = 0; i < N; i++) {
    v[i] = i;
  }
  getAll(v, N, W);
  for(int i = 0; i < N; i++) {
    P[v[i]] = i + 1;
  }
}

Compilation message

koala.cpp: In function 'void selfSort(std::vector<int>&, std::function<bool(int, int)>)':
koala.cpp:82:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = m; i < v.size(); i++) r.emplace_back(v[i]);
                  ~~^~~~~~~~~~
koala.cpp:87:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i < l.size() || j < r.size()) {
         ~~^~~~~~~~~~
koala.cpp:87:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i < l.size() || j < r.size()) {
                         ~~^~~~~~~~~~
koala.cpp:88:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(i < l.size() && j < r.size()) {
        ~~^~~~~~~~~~
koala.cpp:88:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(i < l.size() && j < r.size()) {
                        ~~^~~~~~~~~~
koala.cpp:91:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     } else if (i < l.size()) v.emplace_back(l[i++]);
                ~~^~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 384 KB Output is correct
2 Correct 9 ms 384 KB Output is correct
3 Correct 10 ms 384 KB Output is correct
4 Correct 9 ms 384 KB Output is correct

Subtask #2
7.0 / 15.0

# Verdict Execution time Memory Grader output
1 Partially correct 25 ms 384 KB Output is partially correct
2 Partially correct 26 ms 384 KB Output is partially correct
3 Partially correct 25 ms 384 KB Output is partially correct
4 Partially correct 25 ms 384 KB Output is partially correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 384 KB Output is correct
2 Correct 72 ms 404 KB Output is correct
3 Correct 65 ms 384 KB Output is correct
4 Correct 68 ms 384 KB Output is correct
5 Correct 65 ms 384 KB Output is correct
6 Correct 64 ms 420 KB Output is correct
7 Correct 63 ms 384 KB Output is correct
8 Correct 65 ms 384 KB Output is correct
9 Correct 64 ms 384 KB Output is correct
10 Correct 66 ms 384 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 62 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
41.0 / 53.0

# Verdict Execution time Memory Grader output
1 Partially correct 12 ms 384 KB Output is partially correct
2 Partially correct 14 ms 404 KB Output is partially correct
3 Partially correct 15 ms 384 KB Output is partially correct
4 Partially correct 14 ms 384 KB Output is partially correct
5 Partially correct 14 ms 384 KB Output is partially correct
6 Partially correct 14 ms 384 KB Output is partially correct
7 Partially correct 14 ms 384 KB Output is partially correct
8 Partially correct 14 ms 384 KB Output is partially correct
9 Partially correct 14 ms 384 KB Output is partially correct
10 Partially correct 15 ms 384 KB Output is partially correct
11 Partially correct 15 ms 384 KB Output is partially correct
12 Partially correct 13 ms 384 KB Output is partially correct
13 Partially correct 14 ms 384 KB Output is partially correct
14 Partially correct 14 ms 384 KB Output is partially correct
15 Partially correct 14 ms 384 KB Output is partially correct
16 Partially correct 14 ms 384 KB Output is partially correct
17 Partially correct 14 ms 384 KB Output is partially correct
18 Partially correct 14 ms 384 KB Output is partially correct
19 Partially correct 14 ms 384 KB Output is partially correct
20 Partially correct 14 ms 384 KB Output is partially correct
21 Partially correct 14 ms 384 KB Output is partially correct
22 Partially correct 14 ms 384 KB Output is partially correct
23 Partially correct 13 ms 384 KB Output is partially correct
24 Partially correct 15 ms 384 KB Output is partially correct
25 Partially correct 14 ms 384 KB Output is partially correct
26 Partially correct 14 ms 384 KB Output is partially correct
27 Partially correct 14 ms 384 KB Output is partially correct
28 Partially correct 14 ms 400 KB Output is partially correct
29 Partially correct 14 ms 384 KB Output is partially correct
30 Partially correct 13 ms 384 KB Output is partially correct
31 Partially correct 14 ms 384 KB Output is partially correct
32 Partially correct 14 ms 416 KB Output is partially correct
33 Partially correct 14 ms 384 KB Output is partially correct
34 Partially correct 14 ms 408 KB Output is partially correct
35 Partially correct 14 ms 384 KB Output is partially correct
36 Partially correct 14 ms 384 KB Output is partially correct
37 Partially correct 14 ms 384 KB Output is partially correct
38 Partially correct 14 ms 384 KB Output is partially correct
39 Partially correct 15 ms 384 KB Output is partially correct
40 Partially correct 15 ms 384 KB Output is partially correct