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Submission #884266

# Submission time Handle Problem Language Result Execution time Memory
884266 2023-12-07T04:14:09 Z abcvuitunggio Rarest Insects (IOI22_insects) C++17
100 / 100
 32 ms 856 KB 
#include "insects.h"
#include <bits/stdc++.h>
int idx[2001],state[2001],a[2001],cnt,cur;
int min_cardinality(int n){
    std::iota(idx,idx+n,0);
    std::random_shuffle(idx,idx+n);
    for (int i=0;i<n;i++){
        move_inside(idx[i]);
        state[i]=1;
        a[i]=press_button();
        if (a[i]>1){
            move_outside(idx[i]);
            state[i]=0;
        }
        else
            cnt++;
    }
    cur=cnt;
    int l=2,r=n/cnt,kq=1;
    while (l<=r){
        int mid=(l+r)>>1;
        int mx=0;
        for (int i=0;i<n;i++)
            if (state[i]&&a[i]>mid){
                move_outside(idx[i]);
                cur--;
                state[i]=0;
                if (a[i]>mx)
                    mx=a[i];
                else
                    a[i]=0;
            }
        for (int i=0;i<n&&cur<mid*cnt;i++){
            if (state[i]||a[i]>mid)
                continue;
            move_inside(idx[i]);
            a[i]=press_button();
            if (a[i]>mid)
                move_outside(idx[i]);
            else{
                cur++;
                state[i]=1;
            }
        }
        if (cur==mid*cnt){
            kq=mid;
            l=mid+1;
        }
        else
            r=mid-1;
    }
    return kq;
}

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 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 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 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 384 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 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 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 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 9 ms 456 KB Output is correct
24 Correct 6 ms 856 KB Output is correct
25 Correct 11 ms 600 KB Output is correct
26 Correct 13 ms 600 KB Output is correct
27 Correct 9 ms 600 KB Output is correct
28 Correct 4 ms 456 KB Output is correct
29 Correct 13 ms 600 KB Output is correct
30 Correct 15 ms 600 KB Output is correct
31 Correct 8 ms 600 KB Output is correct
32 Correct 11 ms 600 KB Output is correct
33 Correct 11 ms 600 KB Output is correct
34 Correct 11 ms 452 KB Output is correct
35 Correct 10 ms 344 KB Output is correct
36 Correct 14 ms 600 KB Output is correct
37 Correct 13 ms 612 KB Output is correct
38 Correct 9 ms 600 KB Output is correct
39 Correct 9 ms 600 KB Output is correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 4 ms 600 KB Output is correct

Subtask #3
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 17 ms 452 KB Output is correct
8 Correct 11 ms 600 KB Output is correct
9 Correct 27 ms 600 KB Output is correct
10 Correct 26 ms 344 KB Output is correct
11 Correct 20 ms 600 KB Output is correct
12 Correct 17 ms 600 KB Output is correct
13 Correct 23 ms 452 KB Output is correct
14 Correct 29 ms 596 KB Output is correct
15 Correct 24 ms 600 KB Output is correct
16 Correct 22 ms 452 KB Output is correct
17 Correct 31 ms 600 KB Output is correct
18 Correct 24 ms 344 KB Output is correct
19 Correct 21 ms 344 KB Output is correct
20 Correct 22 ms 600 KB Output is correct
21 Correct 23 ms 600 KB Output is correct
22 Correct 28 ms 600 KB Output is correct
23 Correct 24 ms 848 KB Output is correct
24 Correct 22 ms 592 KB Output is correct
25 Correct 13 ms 444 KB Output is correct
26 Correct 9 ms 600 KB Output is correct
27 Correct 28 ms 600 KB Output is correct
28 Correct 22 ms 600 KB Output is correct
29 Correct 27 ms 600 KB Output is correct
30 Correct 24 ms 600 KB Output is correct
31 Correct 26 ms 600 KB Output is correct
32 Correct 24 ms 344 KB Output is correct
33 Correct 23 ms 452 KB Output is correct
34 Correct 24 ms 708 KB Output is correct
35 Correct 23 ms 600 KB Output is correct
36 Correct 27 ms 596 KB Output is correct
37 Correct 24 ms 600 KB Output is correct
38 Correct 24 ms 600 KB Output is correct
39 Correct 25 ms 344 KB Output is correct
40 Correct 32 ms 600 KB Output is correct
41 Correct 23 ms 448 KB Output is correct
42 Correct 19 ms 600 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 20 ms 600 KB Output is correct
45 Correct 16 ms 600 KB Output is correct
46 Correct 12 ms 344 KB Output is correct
47 Correct 14 ms 600 KB Output is correct
48 Correct 14 ms 448 KB Output is correct