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Submission #884251

# Submission time Handle Problem Language Result Execution time Memory
884251 2023-12-07T03:47:06 Z abcvuitunggio Rarest Insects (IOI22_insects) C++17
0 / 100
 39 ms 856 KB 
#include "insects.h"
int state[2001],a[2001],cnt,cur;
int min_cardinality(int n){
    for (int i=0;i<n;i++){
        move_inside(i);
        state[i]=1;
        a[i]=press_button();
        if (a[i]>1){
            move_outside(i);
            state[i]=0;
        }
        else
            cnt++;
    }
    cur=cnt;
    int l=2,r=n/cnt,kq=1;
    while (l<=r){
        int mid=(l+r)>>1;
        for (int i=0;i<n;i++)
            if (state[i]&&a[i]>mid){
                move_outside(i);
                cur--;
                state[i]=0;
            }
        for (int i=0;i<n;i++){
            if (state[i]||a[i]>mid)
                continue;
            move_inside(i);
            a[i]=press_button();
            if (a[i]>mid)
                move_outside(i);
            else{
                cur++;
                state[i]=1;
            }
        }
        if (cur==mid*cnt){
            kq=mid;
            l=mid+1;
        }
        else
            r=mid-1;
    }
    return kq;
}

Subtask #1
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 3 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 Incorrect 2 ms 344 KB Wrong answer.
10 Halted 0 ms 0 KB -

Subtask #2
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 3 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 Incorrect 2 ms 344 KB Wrong answer.
10 Halted 0 ms 0 KB -

Subtask #3
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 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 27 ms 856 KB Output is correct
8 Correct 10 ms 856 KB Output is correct
9 Correct 39 ms 600 KB Output is correct
10 Correct 27 ms 600 KB Output is correct
11 Correct 20 ms 600 KB Output is correct
12 Correct 15 ms 600 KB Output is correct
13 Incorrect 17 ms 600 KB Wrong answer.
14 Halted 0 ms 0 KB -