Submission #859469

# Submission time Handle Problem Language Result Execution time Memory
859469 2023-10-10T08:02:53 Z NatdanaiHS Rarest Insects (IOI22_insects) C++17
100 / 100
34 ms 856 KB
  #include "insects.h"
  #include <bits/stdc++.h>
  using namespace std;
  vector<bool> flag(2020,false);
  int ans=1,snow=1,mxans=0;
  int min_cardinality(int N) {
    flag[0]=true;
    move_inside(0);
    for(int i=1;i<N;i++){
      move_inside(i);
      if(press_button()!=1)move_outside(i);
      else snow++,flag[i]=true;
    }
    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;
  }
# Verdict Execution time Memory Grader output
1 Correct 0 ms 500 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 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 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 500 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 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 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 8 ms 600 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 11 ms 432 KB Output is correct
26 Correct 14 ms 600 KB Output is correct
27 Correct 12 ms 600 KB Output is correct
28 Correct 6 ms 432 KB Output is correct
29 Correct 13 ms 596 KB Output is correct
30 Correct 14 ms 436 KB Output is correct
31 Correct 13 ms 608 KB Output is correct
32 Correct 10 ms 344 KB Output is correct
33 Correct 11 ms 432 KB Output is correct
34 Correct 10 ms 600 KB Output is correct
35 Correct 10 ms 432 KB Output is correct
36 Correct 11 ms 344 KB Output is correct
37 Correct 13 ms 600 KB Output is correct
38 Correct 11 ms 596 KB Output is correct
39 Correct 9 ms 440 KB Output is correct
40 Correct 7 ms 436 KB Output is correct
41 Correct 7 ms 432 KB Output is correct
# 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 596 KB Output is correct
7 Correct 18 ms 440 KB Output is correct
8 Correct 8 ms 344 KB Output is correct
9 Correct 20 ms 672 KB Output is correct
10 Correct 29 ms 856 KB Output is correct
11 Correct 26 ms 668 KB Output is correct
12 Correct 15 ms 604 KB Output is correct
13 Correct 23 ms 848 KB Output is correct
14 Correct 23 ms 848 KB Output is correct
15 Correct 21 ms 592 KB Output is correct
16 Correct 25 ms 600 KB Output is correct
17 Correct 24 ms 408 KB Output is correct
18 Correct 27 ms 596 KB Output is correct
19 Correct 29 ms 592 KB Output is correct
20 Correct 24 ms 664 KB Output is correct
21 Correct 22 ms 592 KB Output is correct
22 Correct 23 ms 684 KB Output is correct
23 Correct 23 ms 848 KB Output is correct
24 Correct 20 ms 432 KB Output is correct
25 Correct 14 ms 604 KB Output is correct
26 Correct 15 ms 412 KB Output is correct
27 Correct 31 ms 592 KB Output is correct
28 Correct 18 ms 592 KB Output is correct
29 Correct 34 ms 420 KB Output is correct
30 Correct 31 ms 592 KB Output is correct
31 Correct 25 ms 668 KB Output is correct
32 Correct 29 ms 672 KB Output is correct
33 Correct 25 ms 600 KB Output is correct
34 Correct 23 ms 664 KB Output is correct
35 Correct 31 ms 412 KB Output is correct
36 Correct 21 ms 428 KB Output is correct
37 Correct 29 ms 680 KB Output is correct
38 Correct 31 ms 672 KB Output is correct
39 Correct 24 ms 684 KB Output is correct
40 Correct 17 ms 592 KB Output is correct
41 Correct 30 ms 596 KB Output is correct
42 Correct 27 ms 416 KB Output is correct
43 Correct 7 ms 600 KB Output is correct
44 Correct 21 ms 424 KB Output is correct
45 Correct 22 ms 344 KB Output is correct
46 Correct 14 ms 592 KB Output is correct
47 Correct 14 ms 600 KB Output is correct
48 Correct 15 ms 592 KB Output is correct