oj.uz

Submission #1058342

# Submission time Handle Problem Language Result Execution time Memory
1058342 2024-08-14T09:26:56 Z Dan4Life Rarest Insects (IOI22_insects) C++17
100 / 100
 33 ms 600 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a), end(a)
using vi = vector<int>;
int D, inside[3000];
 
int min_cardinality(int n) {
    for(int i = 0; i < n; i++){
        move_inside(i);
        if(press_button()>1) move_outside(i);
        else inside[i]=1, D++;
    }
    if(D==1) return n;
    if(D==n) return 1;
    int l = 1, r = n/D, p=1, tot=D,ans=1;
    while(l<=r){
        int mid = (l+r)/2;
        for(int i = 0; i < n; i++)
            if(inside[i] >= mid and mid<=p)
                move_outside(i), inside[i]=0, tot--;
        vector<int> v(n,0); iota(all(v),0);
        random_shuffle(all(v));
        for(auto i : v){
            if(!!inside[i] or tot==D*mid) continue; move_inside(i);
            if(press_button()>mid) move_outside(i);
            else inside[i]=mid, tot++;
        }
        if(tot==D*mid) ans=mid,l = mid+1;
        else{
            for(int i = 0; i < n; i++) 
                if(!inside[i]) inside[i]=-1;
            r=mid-1;
        }
        p=mid;
    }
    return ans;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:27:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   27 |             if(!!inside[i] or tot==D*mid) continue; move_inside(i);
      |             ^~
insects.cpp:27:53: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   27 |             if(!!inside[i] or tot==D*mid) continue; move_inside(i);
      |                                                     ^~~~~~~~~~~

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 1 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 3 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 3 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 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 2 ms 344 KB Output is correct
22 Correct 3 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 1 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 3 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 3 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 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 2 ms 344 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 11 ms 444 KB Output is correct
26 Correct 11 ms 436 KB Output is correct
27 Correct 13 ms 444 KB Output is correct
28 Correct 10 ms 436 KB Output is correct
29 Correct 7 ms 344 KB Output is correct
30 Correct 11 ms 440 KB Output is correct
31 Correct 10 ms 344 KB Output is correct
32 Correct 9 ms 436 KB Output is correct
33 Correct 10 ms 440 KB Output is correct
34 Correct 8 ms 440 KB Output is correct
35 Correct 14 ms 444 KB Output is correct
36 Correct 11 ms 444 KB Output is correct
37 Correct 10 ms 440 KB Output is correct
38 Correct 11 ms 440 KB Output is correct
39 Correct 10 ms 448 KB Output is correct
40 Correct 11 ms 600 KB Output is correct
41 Correct 8 ms 344 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 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 0 ms 344 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 6 ms 440 KB Output is correct
9 Correct 20 ms 436 KB Output is correct
10 Correct 25 ms 432 KB Output is correct
11 Correct 24 ms 344 KB Output is correct
12 Correct 29 ms 440 KB Output is correct
13 Correct 20 ms 344 KB Output is correct
14 Correct 26 ms 448 KB Output is correct
15 Correct 21 ms 440 KB Output is correct
16 Correct 17 ms 416 KB Output is correct
17 Correct 18 ms 436 KB Output is correct
18 Correct 17 ms 344 KB Output is correct
19 Correct 13 ms 436 KB Output is correct
20 Correct 17 ms 436 KB Output is correct
21 Correct 23 ms 436 KB Output is correct
22 Correct 20 ms 344 KB Output is correct
23 Correct 20 ms 440 KB Output is correct
24 Correct 20 ms 448 KB Output is correct
25 Correct 24 ms 448 KB Output is correct
26 Correct 15 ms 600 KB Output is correct
27 Correct 24 ms 344 KB Output is correct
28 Correct 20 ms 344 KB Output is correct
29 Correct 18 ms 440 KB Output is correct
30 Correct 27 ms 344 KB Output is correct
31 Correct 20 ms 344 KB Output is correct
32 Correct 24 ms 440 KB Output is correct
33 Correct 25 ms 600 KB Output is correct
34 Correct 33 ms 340 KB Output is correct
35 Correct 11 ms 596 KB Output is correct
36 Correct 28 ms 344 KB Output is correct
37 Correct 23 ms 600 KB Output is correct
38 Correct 27 ms 344 KB Output is correct
39 Correct 22 ms 600 KB Output is correct
40 Correct 19 ms 440 KB Output is correct
41 Correct 17 ms 344 KB Output is correct
42 Correct 28 ms 592 KB Output is correct
43 Correct 8 ms 344 KB Output is correct
44 Correct 16 ms 436 KB Output is correct
45 Correct 22 ms 436 KB Output is correct
46 Correct 23 ms 344 KB Output is correct
47 Correct 16 ms 344 KB Output is correct
48 Correct 22 ms 600 KB Output is correct