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Submission #859315

# Submission time Handle Problem Language Result Execution time Memory
859315 2023-10-10T03:49:36 Z NatdanaiHS Rarest Insects (IOI22_insects) C++17
96.54 / 100
 33 ms 948 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;
int min_cardinality(int N) {
  flag[0]=true;
  move_inside(0);
  //Prime Set
  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;
  while(l<=r){
    int mid=(l+r)/2;
    stack<int> rollback;
    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,rollback.push(i);
        else{
            cnt++;
            rollback.push(i);
        }
    }
    if(cnt==(mid-ans)*snow){
        ans=mid;
        l=mid+1;
        while(rollback.size()){
            flag[rollback.top()]=!flag[rollback.top()];
            rollback.pop();
        }
    }
    else{
        r=mid-1;
        while(rollback.size()){
            move_outside(rollback.top());
            rollback.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 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 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 2 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 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 2 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 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 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 2 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 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 2 ms 344 KB Output is correct
23 Correct 8 ms 600 KB Output is correct
24 Correct 6 ms 344 KB Output is correct
25 Correct 10 ms 600 KB Output is correct
26 Correct 14 ms 600 KB Output is correct
27 Correct 13 ms 436 KB Output is correct
28 Correct 4 ms 344 KB Output is correct
29 Correct 11 ms 428 KB Output is correct
30 Correct 11 ms 344 KB Output is correct
31 Correct 10 ms 600 KB Output is correct
32 Correct 11 ms 592 KB Output is correct
33 Correct 11 ms 436 KB Output is correct
34 Correct 9 ms 600 KB Output is correct
35 Correct 13 ms 600 KB Output is correct
36 Correct 10 ms 600 KB Output is correct
37 Correct 12 ms 600 KB Output is correct
38 Correct 13 ms 948 KB Output is correct
39 Correct 10 ms 600 KB Output is correct
40 Correct 8 ms 600 KB Output is correct
41 Correct 4 ms 344 KB Output is correct

Subtask #3
71.54 / 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 1 ms 344 KB Output is correct
7 Correct 23 ms 592 KB Output is correct
8 Correct 10 ms 344 KB Output is correct
9 Correct 22 ms 428 KB Output is correct
10 Correct 26 ms 924 KB Output is correct
11 Partially correct 21 ms 424 KB Output is partially correct
12 Correct 11 ms 856 KB Output is correct
13 Partially correct 25 ms 436 KB Output is partially correct
14 Partially correct 26 ms 848 KB Output is partially correct
15 Correct 30 ms 680 KB Output is correct
16 Correct 31 ms 432 KB Output is correct
17 Correct 26 ms 412 KB Output is correct
18 Correct 22 ms 412 KB Output is correct
19 Correct 21 ms 428 KB Output is correct
20 Correct 24 ms 600 KB Output is correct
21 Correct 27 ms 668 KB Output is correct
22 Correct 33 ms 432 KB Output is correct
23 Correct 21 ms 852 KB Output is correct
24 Correct 17 ms 672 KB Output is correct
25 Correct 14 ms 680 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 30 ms 412 KB Output is correct
28 Correct 21 ms 600 KB Output is correct
29 Correct 30 ms 428 KB Output is correct
30 Correct 26 ms 856 KB Output is correct
31 Correct 26 ms 856 KB Output is correct
32 Correct 33 ms 840 KB Output is correct
33 Partially correct 22 ms 668 KB Output is partially correct
34 Partially correct 28 ms 672 KB Output is partially correct
35 Partially correct 29 ms 848 KB Output is partially correct
36 Correct 21 ms 600 KB Output is correct
37 Correct 32 ms 412 KB Output is correct
38 Correct 28 ms 592 KB Output is correct
39 Correct 24 ms 592 KB Output is correct
40 Correct 17 ms 592 KB Output is correct
41 Correct 23 ms 600 KB Output is correct
42 Partially correct 27 ms 428 KB Output is partially correct
43 Partially correct 7 ms 600 KB Output is partially correct
44 Partially correct 21 ms 436 KB Output is partially correct
45 Correct 14 ms 600 KB Output is correct
46 Correct 16 ms 848 KB Output is correct
47 Correct 20 ms 592 KB Output is correct
48 Correct 13 ms 428 KB Output is correct