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Submission #1057898

# Submission time Handle Problem Language Result Execution time Memory
1057898 2024-08-14T07:12:12 Z SalihSahin Rarest Insects (IOI22_insects) C++17
40.5 / 100
 164 ms 676 KB 
#include<bits/stdc++.h>
#include "insects.h"
#define pb push_back
using namespace std;

/*
static inline constexpr int kMaxQueries = 40000;

static int N;
// Insect types are compressed to colors in the range [0, N).
static std::vector<int> color;
static std::vector<bool> in_box;

static std::vector<int> color_occurrences;
static std::multiset<int> max_occurrences;

static std::vector<int> op_counter(3, 0);

static inline void protocol_violation(std::string message) {
  printf("Protocol Violation: %s\n", message.c_str());
  exit(0);
}

void move_inside(int i) {
  if (i < 0 || i >= N) {
    protocol_violation("invalid parameter");
  }
  ++op_counter[0];
  if (op_counter[0] > kMaxQueries) {
    protocol_violation("too many calls");
  }
  if (!in_box[i]) {
    in_box[i] = true;
    max_occurrences.erase(max_occurrences.find(color_occurrences[color[i]]));
    ++color_occurrences[color[i]];
    max_occurrences.insert(color_occurrences[color[i]]);
  }
}

void move_outside(int i) {
  if (i < 0 || i >= N) {
    protocol_violation("invalid parameter");
  }
  ++op_counter[1];
  if (op_counter[1] > kMaxQueries) {
    protocol_violation("too many calls");
  }
  if (in_box[i]) {
    in_box[i] = false;
    max_occurrences.erase(max_occurrences.find(color_occurrences[color[i]]));
    --color_occurrences[color[i]];
    max_occurrences.insert(color_occurrences[color[i]]);
  }
}

int press_button() {
  ++op_counter[2];
  if (op_counter[2] > kMaxQueries) {
    protocol_violation("too many calls");
  }
  return *(max_occurrences.rbegin());
}
*/
int min_cardinality(int N) {
   mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
   vector<int> wh, nxtwh;
   vector<int> cik;

   int sz = 0;
   for(int i = 0; i < N; i++){
      move_inside(i);
      sz++;
      int val = press_button();
      if(val == 2){
        move_outside(i);
        wh.pb(i);
        sz--;
      }
      else cik.pb(i);
   }

   for(auto itr: cik){
    move_outside(itr);
   }
   cik.clear();

   if(sz > 40){
        int ans = 1;
        while(1){
           shuffle(wh.begin(), wh.end(), rng);
           int isz = 0;
           for(auto itr: wh){
              if(isz < sz){
                  move_inside(itr);
                  isz++;
                  int val = press_button();
                  if(val == 2){
                    move_outside(itr);
                    nxtwh.pb(itr);
                    isz--;
                  }
                  else cik.pb(itr);
              }
              else{
                  nxtwh.pb(itr);
              }
           }

           for(auto itr: cik) move_outside(itr);
           cik.clear();

           if(isz != sz){
              break;
           }
           else{
              ans++;
              wh = nxtwh;
              nxtwh.clear();
           }
       }

       return ans;
   }
   else{
      wh.clear();
      nxtwh.clear();
      for(int i = 0; i < N; i++){
          wh.pb(i);
      }

      int sz = 0, ans = 2000;

      while(wh.size() > 0){
         sz = 0;
         shuffle(wh.begin(), wh.end(), rng);
         for(auto itr: wh){
              move_inside(itr);
              sz++;
              int val = press_button();
              if(val != sz){
                move_outside(itr);
                nxtwh.pb(itr);
                sz--;
              }
              else cik.pb(itr);
          }
          ans = min(ans, sz);
          wh = nxtwh;
          for(auto itr: cik) move_outside(itr);
          cik.clear();
          nxtwh.clear();
      }

      return ans;
   }
}

/*
int main() {
  assert(1 == scanf("%d", &N));
  color.resize(N);
  in_box.assign(N, false);

  std::map<int, int> type_to_color;
  for (int i = 0; i < N; ++i) {
    int Ti;
    assert(1 == scanf("%d", &Ti));
    if (type_to_color.find(Ti) == type_to_color.end()) {
      int new_color = type_to_color.size();
      type_to_color[Ti] = new_color;
      max_occurrences.insert(0);
    }
    color[i] = type_to_color[Ti];
  }

  color_occurrences.assign(type_to_color.size(), 0);

  int answer = min_cardinality(N);
  int Q = *std::max_element(op_counter.begin(), op_counter.end());
  printf("%d\n", answer);
  printf("%d\n", Q);
  return 0;
}
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 440 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 4 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 9 ms 344 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 436 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 440 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 4 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 9 ms 344 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 436 KB Output is correct
23 Correct 7 ms 344 KB Output is correct
24 Correct 4 ms 600 KB Output is correct
25 Correct 93 ms 600 KB Output is correct
26 Correct 86 ms 444 KB Output is correct
27 Correct 7 ms 344 KB Output is correct
28 Correct 5 ms 444 KB Output is correct
29 Correct 14 ms 344 KB Output is correct
30 Correct 80 ms 344 KB Output is correct
31 Correct 26 ms 344 KB Output is correct
32 Correct 16 ms 344 KB Output is correct
33 Correct 31 ms 440 KB Output is correct
34 Correct 41 ms 596 KB Output is correct
35 Correct 37 ms 344 KB Output is correct
36 Correct 59 ms 344 KB Output is correct
37 Correct 11 ms 444 KB Output is correct
38 Correct 15 ms 344 KB Output is correct
39 Correct 12 ms 600 KB Output is correct
40 Correct 8 ms 344 KB Output is correct
41 Correct 6 ms 600 KB Output is correct

Subtask #3
15.5 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 16 ms 452 KB Output is correct
8 Correct 10 ms 444 KB Output is correct
9 Partially correct 42 ms 600 KB Output is partially correct
10 Partially correct 41 ms 440 KB Output is partially correct
11 Correct 16 ms 432 KB Output is correct
12 Correct 14 ms 448 KB Output is correct
13 Partially correct 41 ms 592 KB Output is partially correct
14 Correct 28 ms 432 KB Output is correct
15 Partially correct 33 ms 344 KB Output is partially correct
16 Partially correct 48 ms 344 KB Output is partially correct
17 Partially correct 60 ms 444 KB Output is partially correct
18 Partially correct 57 ms 344 KB Output is partially correct
19 Partially correct 90 ms 604 KB Output is partially correct
20 Partially correct 111 ms 592 KB Output is partially correct
21 Partially correct 49 ms 432 KB Output is partially correct
22 Partially correct 35 ms 344 KB Output is partially correct
23 Correct 18 ms 600 KB Output is correct
24 Correct 15 ms 444 KB Output is correct
25 Correct 16 ms 600 KB Output is correct
26 Correct 11 ms 448 KB Output is correct
27 Partially correct 59 ms 344 KB Output is partially correct
28 Partially correct 56 ms 592 KB Output is partially correct
29 Partially correct 164 ms 676 KB Output is partially correct
30 Partially correct 158 ms 444 KB Output is partially correct
31 Partially correct 41 ms 596 KB Output is partially correct
32 Partially correct 45 ms 600 KB Output is partially correct
33 Correct 25 ms 448 KB Output is correct
34 Correct 25 ms 344 KB Output is correct
35 Partially correct 48 ms 448 KB Output is partially correct
36 Partially correct 43 ms 344 KB Output is partially correct
37 Partially correct 43 ms 344 KB Output is partially correct
38 Partially correct 30 ms 344 KB Output is partially correct
39 Partially correct 54 ms 344 KB Output is partially correct
40 Partially correct 35 ms 444 KB Output is partially correct
41 Partially correct 42 ms 592 KB Output is partially correct
42 Partially correct 47 ms 452 KB Output is partially correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 20 ms 460 KB Output is correct
45 Correct 19 ms 444 KB Output is correct
46 Correct 11 ms 588 KB Output is correct
47 Correct 8 ms 344 KB Output is correct
48 Correct 13 ms 600 KB Output is correct