Submission #1025187

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1025187	2024-07-16T17:13:42 Z	Wansur	Rarest Insects (IOI22_insects)	C++17	47.5 / 100	177 ms	1184 KB

insects

#include <bits/stdc++.h>
#define ent '\n'

void move_inside(int i);
void move_outside(int i);
int press_button();

using namespace std;
typedef long long ll;
const int maxn = 1e5 + 12;

bool used[maxn];
vector<int> d;
int n, m, c, cnt = 0;

bool check(int x){
    x -= cnt;
    vector<int> a, b;
    for(int i=0;i<n;i++){
        if(used[i]) continue;
        move_inside(i);
        if(press_button() > x){
            move_outside(i);
            b.push_back(i);
        }
        else a.push_back(i);
    }
    for(int x:a){
        move_outside(x);   
    }
    if(a.size() == x * m){
        return 1;
    }
    return 0;
}

int min_cardinality(int N){
    n = N;
    c = n;
    for(int i=0;i<n;i++){
        move_inside(i);
        if(press_button() != 1){
            move_outside(i);
        }
        else d.push_back(i);
    }
    for(int i:d){
        move_outside(i);
    }
    m = d.size();
    int ans = 0;
    for(int l = 1, r = n; l <= r;){
        int mid = l + r >> 1;
        if(check(mid)){
            ans = mid;
            l = mid + 1;
        }
        else r = mid - 1;
    }
    return ans;
}

Compilation message

insects.cpp: In function 'bool check(int)':
insects.cpp:31:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   31 |     if(a.size() == x * m){
      |        ~~~~~~~~~^~~~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:53:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   53 |         int mid = l + r >> 1;
      |                   ~~^~~

Subtask #1
10.0 / 10.0

#	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	0 ms	344 KB	Output is correct
6	Correct	8 ms	440 KB	Output is correct
7	Correct	7 ms	344 KB	Output is correct
8	Correct	7 ms	344 KB	Output is correct
9	Correct	5 ms	344 KB	Output is correct
10	Correct	7 ms	440 KB	Output is correct
11	Correct	7 ms	344 KB	Output is correct
12	Correct	9 ms	344 KB	Output is correct
13	Correct	8 ms	344 KB	Output is correct
14	Correct	8 ms	344 KB	Output is correct
15	Correct	7 ms	344 KB	Output is correct
16	Correct	7 ms	344 KB	Output is correct
17	Correct	7 ms	344 KB	Output is correct
18	Correct	8 ms	444 KB	Output is correct
19	Correct	10 ms	600 KB	Output is correct
20	Correct	12 ms	340 KB	Output is correct
21	Correct	6 ms	344 KB	Output is correct
22	Correct	11 ms	344 KB	Output is correct

Subtask #2
15.0 / 15.0

#	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	0 ms	344 KB	Output is correct
6	Correct	8 ms	440 KB	Output is correct
7	Correct	7 ms	344 KB	Output is correct
8	Correct	7 ms	344 KB	Output is correct
9	Correct	5 ms	344 KB	Output is correct
10	Correct	7 ms	440 KB	Output is correct
11	Correct	7 ms	344 KB	Output is correct
12	Correct	9 ms	344 KB	Output is correct
13	Correct	8 ms	344 KB	Output is correct
14	Correct	8 ms	344 KB	Output is correct
15	Correct	7 ms	344 KB	Output is correct
16	Correct	7 ms	344 KB	Output is correct
17	Correct	7 ms	344 KB	Output is correct
18	Correct	8 ms	444 KB	Output is correct
19	Correct	10 ms	600 KB	Output is correct
20	Correct	12 ms	340 KB	Output is correct
21	Correct	6 ms	344 KB	Output is correct
22	Correct	11 ms	344 KB	Output is correct
23	Correct	57 ms	344 KB	Output is correct
24	Correct	74 ms	696 KB	Output is correct
25	Correct	67 ms	344 KB	Output is correct
26	Correct	90 ms	436 KB	Output is correct
27	Correct	75 ms	448 KB	Output is correct
28	Correct	65 ms	344 KB	Output is correct
29	Correct	66 ms	428 KB	Output is correct
30	Correct	55 ms	680 KB	Output is correct
31	Correct	56 ms	344 KB	Output is correct
32	Correct	78 ms	344 KB	Output is correct
33	Correct	63 ms	344 KB	Output is correct
34	Correct	69 ms	444 KB	Output is correct
35	Correct	56 ms	344 KB	Output is correct
36	Correct	65 ms	428 KB	Output is correct
37	Correct	69 ms	676 KB	Output is correct
38	Correct	68 ms	456 KB	Output is correct
39	Correct	52 ms	600 KB	Output is correct
40	Correct	64 ms	344 KB	Output is correct
41	Correct	57 ms	344 KB	Output is correct

Subtask #3
22.5 / 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	1 ms	340 KB	Output is correct
5	Partially correct	0 ms	344 KB	Output is partially correct
6	Partially correct	0 ms	344 KB	Output is partially correct
7	Partially correct	144 ms	684 KB	Output is partially correct
8	Partially correct	173 ms	672 KB	Output is partially correct
9	Partially correct	169 ms	1156 KB	Output is partially correct
10	Partially correct	169 ms	660 KB	Output is partially correct
11	Partially correct	166 ms	344 KB	Output is partially correct
12	Partially correct	173 ms	696 KB	Output is partially correct
13	Partially correct	171 ms	848 KB	Output is partially correct
14	Partially correct	144 ms	688 KB	Output is partially correct
15	Partially correct	153 ms	1164 KB	Output is partially correct
16	Partially correct	143 ms	444 KB	Output is partially correct
17	Partially correct	177 ms	676 KB	Output is partially correct
18	Partially correct	153 ms	660 KB	Output is partially correct
19	Partially correct	166 ms	932 KB	Output is partially correct
20	Partially correct	136 ms	596 KB	Output is partially correct
21	Partially correct	159 ms	1120 KB	Output is partially correct
22	Partially correct	134 ms	932 KB	Output is partially correct
23	Partially correct	173 ms	680 KB	Output is partially correct
24	Partially correct	161 ms	680 KB	Output is partially correct
25	Partially correct	169 ms	672 KB	Output is partially correct
26	Partially correct	159 ms	700 KB	Output is partially correct
27	Partially correct	149 ms	848 KB	Output is partially correct
28	Partially correct	140 ms	432 KB	Output is partially correct
29	Partially correct	161 ms	836 KB	Output is partially correct
30	Partially correct	143 ms	904 KB	Output is partially correct
31	Partially correct	148 ms	524 KB	Output is partially correct
32	Partially correct	147 ms	676 KB	Output is partially correct
33	Partially correct	167 ms	568 KB	Output is partially correct
34	Partially correct	141 ms	676 KB	Output is partially correct
35	Partially correct	161 ms	440 KB	Output is partially correct
36	Partially correct	175 ms	432 KB	Output is partially correct
37	Partially correct	153 ms	684 KB	Output is partially correct
38	Partially correct	142 ms	444 KB	Output is partially correct
39	Partially correct	145 ms	664 KB	Output is partially correct
40	Partially correct	166 ms	620 KB	Output is partially correct
41	Partially correct	146 ms	928 KB	Output is partially correct
42	Partially correct	153 ms	780 KB	Output is partially correct
43	Partially correct	31 ms	680 KB	Output is partially correct
44	Partially correct	143 ms	432 KB	Output is partially correct
45	Partially correct	125 ms	812 KB	Output is partially correct
46	Partially correct	152 ms	1184 KB	Output is partially correct
47	Partially correct	152 ms	916 KB	Output is partially correct
48	Partially correct	143 ms	948 KB	Output is partially correct

Submission #1025187

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 22.5 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
22.5 / 75.0