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Submission #859401

# Submission time Handle Problem Language Result Execution time Memory
859401 2023-10-10T06:00:35 Z NatdanaiHS Rarest Insects (IOI22_insects) C++17
100 / 100
 33 ms 860 KB 
  #include "insects.h"
  #include <bits/stdc++.h>
  using namespace std;
  //move_inside
  //move_outside
  //press_button
  vector<bool> flag(2020,false);
  int ans=1,snow=1,mxans=0;
  int min_cardinality(int N) {
    flag[0]=true;
    move_inside(0);
    //Prime Set
    //mxans=N;
    for(int i=1;i<N;i++){
      move_inside(i);
      if(press_button()!=1)move_outside(i);
      else snow++,flag[i]=true;
    }
    //find ans
    int l=1,r=(N+snow-1)/snow;
    while(l<=r){
      int mid=(l+r)/2;
      stack<int> rollA,rollB;
      int cnt=0;
      for(int i=0;i<N;i++){
          if(cnt==(mid-ans)*snow)break;
          if(flag[i])continue;
          move_inside(i);
          // 
          if(press_button()>mid)move_outside(i),flag[i]=true,rollA.push(i);
          else{
              cnt++;
              rollB.push(i);
          }
      }
      if(cnt==(mid-ans)*snow){
          ans=mid;
          l=mid+1;
          while(rollA.size()){
              flag[rollA.top()]=!flag[rollA.top()];
              rollA.pop();
          }
          while(rollB.size()){
              flag[rollB.top()]=!flag[rollB.top()];
              rollB.pop();
          }
      }
      else{
          r=mid-1;
          while(rollB.size()){
              move_outside(rollB.top());
              rollB.pop();
          }
      }
    }
    return ans;
  }

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 0 ms 344 KB Output is correct
5 Correct 0 ms 596 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 496 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 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 0 ms 344 KB Output is correct
5 Correct 0 ms 596 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 496 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 8 ms 424 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 11 ms 436 KB Output is correct
26 Correct 14 ms 600 KB Output is correct
27 Correct 13 ms 592 KB Output is correct
28 Correct 6 ms 344 KB Output is correct
29 Correct 10 ms 436 KB Output is correct
30 Correct 14 ms 600 KB Output is correct
31 Correct 12 ms 600 KB Output is correct
32 Correct 11 ms 600 KB Output is correct
33 Correct 13 ms 600 KB Output is correct
34 Correct 12 ms 600 KB Output is correct
35 Correct 12 ms 600 KB Output is correct
36 Correct 10 ms 600 KB Output is correct
37 Correct 14 ms 600 KB Output is correct
38 Correct 13 ms 596 KB Output is correct
39 Correct 10 ms 600 KB Output is correct
40 Correct 8 ms 600 KB Output is correct
41 Correct 6 ms 436 KB Output is correct

Subtask #3
75.0 / 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 19 ms 596 KB Output is correct
8 Correct 10 ms 344 KB Output is correct
9 Correct 20 ms 668 KB Output is correct
10 Correct 27 ms 848 KB Output is correct
11 Correct 28 ms 344 KB Output is correct
12 Correct 16 ms 592 KB Output is correct
13 Correct 29 ms 592 KB Output is correct
14 Correct 33 ms 412 KB Output is correct
15 Correct 23 ms 432 KB Output is correct
16 Correct 26 ms 432 KB Output is correct
17 Correct 20 ms 440 KB Output is correct
18 Correct 26 ms 428 KB Output is correct
19 Correct 33 ms 592 KB Output is correct
20 Correct 21 ms 432 KB Output is correct
21 Correct 29 ms 672 KB Output is correct
22 Correct 29 ms 412 KB Output is correct
23 Correct 23 ms 692 KB Output is correct
24 Correct 20 ms 592 KB Output is correct
25 Correct 17 ms 424 KB Output is correct
26 Correct 14 ms 668 KB Output is correct
27 Correct 27 ms 592 KB Output is correct
28 Correct 20 ms 592 KB Output is correct
29 Correct 31 ms 592 KB Output is correct
30 Correct 25 ms 424 KB Output is correct
31 Correct 29 ms 420 KB Output is correct
32 Correct 22 ms 848 KB Output is correct
33 Correct 24 ms 848 KB Output is correct
34 Correct 26 ms 668 KB Output is correct
35 Correct 27 ms 684 KB Output is correct
36 Correct 24 ms 412 KB Output is correct
37 Correct 29 ms 672 KB Output is correct
38 Correct 30 ms 684 KB Output is correct
39 Correct 25 ms 432 KB Output is correct
40 Correct 19 ms 592 KB Output is correct
41 Correct 24 ms 600 KB Output is correct
42 Correct 30 ms 592 KB Output is correct
43 Correct 6 ms 860 KB Output is correct
44 Correct 21 ms 440 KB Output is correct
45 Correct 23 ms 436 KB Output is correct
46 Correct 14 ms 592 KB Output is correct
47 Correct 17 ms 600 KB Output is correct
48 Correct 15 ms 428 KB Output is correct