답안 #1025190

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1025190	2024-07-16T17:15:38 Z	Wansur	드문 곤충 (IOI22_insects)	C++17	99.56 / 100	45 ms	1012 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){
        cnt += x;
        for(int x:a){
            used[x] = 1;
            c--;
        }
        return 1;
    }
    for(int x:b){
        used[x] = 1;
        c--;
    }
    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 + m - 1) / m; 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:62:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   62 |         int mid = l + r >> 1;
      |                   ~~^~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	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	3 ms	412 KB	Output is correct
7	Correct	2 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	3 ms	444 KB	Output is correct
10	Correct	3 ms	436 KB	Output is correct
11	Correct	4 ms	344 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	2 ms	444 KB	Output is correct
14	Correct	3 ms	344 KB	Output is correct
15	Correct	3 ms	344 KB	Output is correct
16	Correct	4 ms	344 KB	Output is correct
17	Correct	3 ms	444 KB	Output is correct
18	Correct	3 ms	344 KB	Output is correct
19	Correct	4 ms	344 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	3 ms	344 KB	Output is correct
22	Correct	3 ms	432 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	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	3 ms	412 KB	Output is correct
7	Correct	2 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	3 ms	444 KB	Output is correct
10	Correct	3 ms	436 KB	Output is correct
11	Correct	4 ms	344 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	2 ms	444 KB	Output is correct
14	Correct	3 ms	344 KB	Output is correct
15	Correct	3 ms	344 KB	Output is correct
16	Correct	4 ms	344 KB	Output is correct
17	Correct	3 ms	444 KB	Output is correct
18	Correct	3 ms	344 KB	Output is correct
19	Correct	4 ms	344 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	3 ms	344 KB	Output is correct
22	Correct	3 ms	432 KB	Output is correct
23	Correct	12 ms	344 KB	Output is correct
24	Correct	6 ms	344 KB	Output is correct
25	Correct	12 ms	344 KB	Output is correct
26	Correct	14 ms	444 KB	Output is correct
27	Correct	13 ms	440 KB	Output is correct
28	Correct	13 ms	600 KB	Output is correct
29	Correct	15 ms	440 KB	Output is correct
30	Correct	11 ms	344 KB	Output is correct
31	Correct	20 ms	448 KB	Output is correct
32	Correct	14 ms	344 KB	Output is correct
33	Correct	16 ms	448 KB	Output is correct
34	Correct	12 ms	344 KB	Output is correct
35	Correct	19 ms	344 KB	Output is correct
36	Correct	17 ms	856 KB	Output is correct
37	Correct	9 ms	344 KB	Output is correct
38	Correct	15 ms	448 KB	Output is correct
39	Correct	14 ms	344 KB	Output is correct
40	Correct	19 ms	600 KB	Output is correct
41	Correct	9 ms	344 KB	Output is correct

Subtask #3
74.56 / 75.0

#	결과	실행 시간	메모리	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	1 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	28 ms	440 KB	Output is correct
8	Correct	17 ms	444 KB	Output is correct
9	Correct	21 ms	600 KB	Output is correct
10	Correct	41 ms	592 KB	Output is correct
11	Correct	23 ms	592 KB	Output is correct
12	Correct	24 ms	344 KB	Output is correct
13	Correct	23 ms	436 KB	Output is correct
14	Correct	43 ms	344 KB	Output is correct
15	Correct	27 ms	344 KB	Output is correct
16	Correct	26 ms	344 KB	Output is correct
17	Correct	35 ms	424 KB	Output is correct
18	Correct	33 ms	448 KB	Output is correct
19	Partially correct	30 ms	436 KB	Output is partially correct
20	Correct	30 ms	444 KB	Output is correct
21	Correct	21 ms	344 KB	Output is correct
22	Correct	28 ms	344 KB	Output is correct
23	Correct	22 ms	344 KB	Output is correct
24	Partially correct	34 ms	1012 KB	Output is partially correct
25	Correct	35 ms	684 KB	Output is correct
26	Correct	19 ms	448 KB	Output is correct
27	Correct	30 ms	592 KB	Output is correct
28	Correct	27 ms	416 KB	Output is correct
29	Correct	44 ms	604 KB	Output is correct
30	Correct	39 ms	600 KB	Output is correct
31	Correct	45 ms	344 KB	Output is correct
32	Correct	30 ms	696 KB	Output is correct
33	Correct	33 ms	680 KB	Output is correct
34	Correct	38 ms	448 KB	Output is correct
35	Correct	37 ms	420 KB	Output is correct
36	Correct	26 ms	584 KB	Output is correct
37	Correct	42 ms	432 KB	Output is correct
38	Correct	34 ms	932 KB	Output is correct
39	Correct	22 ms	688 KB	Output is correct
40	Correct	27 ms	432 KB	Output is correct
41	Correct	18 ms	444 KB	Output is correct
42	Correct	34 ms	344 KB	Output is correct
43	Correct	7 ms	344 KB	Output is correct
44	Correct	21 ms	344 KB	Output is correct
45	Correct	34 ms	428 KB	Output is correct
46	Correct	16 ms	344 KB	Output is correct
47	Correct	25 ms	596 KB	Output is correct
48	Correct	23 ms	344 KB	Output is correct

답안 #1025190

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.56 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.56 / 75.0