답안 #754285

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
754285	2023-06-07T12:09:39 Z	Olympia	Bootfall (IZhO17_bootfall)	C++17	13 / 100	1000 ms	324 KB

bootfall

#include <vector>
#include <iostream>
#include <cassert>
#include <cmath>
#include <map>
#include <bitset>
#include <set>
#include <stack>
using namespace std;
bool okay (vector<int> v) {
	int sum = 0;
	for (int i: v) {
		sum += i;
	}
	if (sum % 2 == 1) {
		return false;
	}
	bitset<5000> bs;
	bs[0] = true;
	for (int i: v) {
		bs |= (bs << i);
	}
	return bs[sum/2];
}
vector<int> remove (vector<int> v, int ind) {
	vector<int> a;
	for (int i = 0; i < v.size(); i++) {
		if (i != ind) {
			a.push_back(v[i]);
		}
	}
	return a;
}
int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    cin >> n;
    vector<int> v(n);
    for (int i = 0; i < n; i++) {
    	cin >> v[i];
    }
    vector<int> ans;
    for (int i = 0; i <= 10000; i++) {
    	v.push_back(i);
    	bool fine = true;
    	for (int j = 0; j < v.size(); j++) {
    		if (!okay(remove(v, j))) {
    			fine = false;
    			break;
    		}
    	}
    	if (fine) {
    		ans.push_back(i);
    	}
    	v.pop_back();
    }
    cout << ans.size() << endl;
    for (int i: ans) {
    	cout << i << ' ';
    }
    cout << endl;
}

Compilation message

bootfall.cpp: In function 'std::vector<int> remove(std::vector<int>, int)':
bootfall.cpp:27:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
bootfall.cpp: In function 'int main()':
bootfall.cpp:47:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |      for (int j = 0; j < v.size(); j++) {
      |                      ~~^~~~~~~~~~

Subtask #1

6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	212 KB	Output is correct
2	Correct	12 ms	212 KB	Output is correct
3	Correct	6 ms	212 KB	Output is correct
4	Correct	7 ms	212 KB	Output is correct
5	Correct	23 ms	320 KB	Output is correct
6	Correct	11 ms	324 KB	Output is correct
7	Correct	9 ms	212 KB	Output is correct
8	Correct	23 ms	212 KB	Output is correct
9	Correct	14 ms	316 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	212 KB	Output is correct
2	Correct	12 ms	212 KB	Output is correct
3	Correct	6 ms	212 KB	Output is correct
4	Correct	7 ms	212 KB	Output is correct
5	Correct	23 ms	320 KB	Output is correct
6	Correct	11 ms	324 KB	Output is correct
7	Correct	9 ms	212 KB	Output is correct
8	Correct	23 ms	212 KB	Output is correct
9	Correct	14 ms	316 KB	Output is correct
10	Correct	42 ms	212 KB	Output is correct
11	Correct	61 ms	296 KB	Output is correct
12	Correct	41 ms	296 KB	Output is correct
13	Correct	44 ms	312 KB	Output is correct
14	Correct	64 ms	320 KB	Output is correct
15	Correct	53 ms	212 KB	Output is correct
16	Correct	62 ms	300 KB	Output is correct
17	Correct	28 ms	212 KB	Output is correct
18	Correct	50 ms	300 KB	Output is correct
19	Correct	62 ms	300 KB	Output is correct
20	Correct	50 ms	212 KB	Output is correct

Subtask #3

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	212 KB	Output is correct
2	Correct	12 ms	212 KB	Output is correct
3	Correct	6 ms	212 KB	Output is correct
4	Correct	7 ms	212 KB	Output is correct
5	Correct	23 ms	320 KB	Output is correct
6	Correct	11 ms	324 KB	Output is correct
7	Correct	9 ms	212 KB	Output is correct
8	Correct	23 ms	212 KB	Output is correct
9	Correct	14 ms	316 KB	Output is correct
10	Correct	42 ms	212 KB	Output is correct
11	Correct	61 ms	296 KB	Output is correct
12	Correct	41 ms	296 KB	Output is correct
13	Correct	44 ms	312 KB	Output is correct
14	Correct	64 ms	320 KB	Output is correct
15	Correct	53 ms	212 KB	Output is correct
16	Correct	62 ms	300 KB	Output is correct
17	Correct	28 ms	212 KB	Output is correct
18	Correct	50 ms	300 KB	Output is correct
19	Correct	62 ms	300 KB	Output is correct
20	Correct	50 ms	212 KB	Output is correct
21	Execution timed out	1062 ms	304 KB	Time limit exceeded
22	Halted	0 ms	0 KB	-

Subtask #4

0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	212 KB	Output is correct
2	Correct	12 ms	212 KB	Output is correct
3	Correct	6 ms	212 KB	Output is correct
4	Correct	7 ms	212 KB	Output is correct
5	Correct	23 ms	320 KB	Output is correct
6	Correct	11 ms	324 KB	Output is correct
7	Correct	9 ms	212 KB	Output is correct
8	Correct	23 ms	212 KB	Output is correct
9	Correct	14 ms	316 KB	Output is correct
10	Correct	42 ms	212 KB	Output is correct
11	Correct	61 ms	296 KB	Output is correct
12	Correct	41 ms	296 KB	Output is correct
13	Correct	44 ms	312 KB	Output is correct
14	Correct	64 ms	320 KB	Output is correct
15	Correct	53 ms	212 KB	Output is correct
16	Correct	62 ms	300 KB	Output is correct
17	Correct	28 ms	212 KB	Output is correct
18	Correct	50 ms	300 KB	Output is correct
19	Correct	62 ms	300 KB	Output is correct
20	Correct	50 ms	212 KB	Output is correct
21	Execution timed out	1062 ms	304 KB	Time limit exceeded
22	Halted	0 ms	0 KB	-

Subtask #5

0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	212 KB	Output is correct
2	Correct	12 ms	212 KB	Output is correct
3	Correct	6 ms	212 KB	Output is correct
4	Correct	7 ms	212 KB	Output is correct
5	Correct	23 ms	320 KB	Output is correct
6	Correct	11 ms	324 KB	Output is correct
7	Correct	9 ms	212 KB	Output is correct
8	Correct	23 ms	212 KB	Output is correct
9	Correct	14 ms	316 KB	Output is correct
10	Correct	42 ms	212 KB	Output is correct
11	Correct	61 ms	296 KB	Output is correct
12	Correct	41 ms	296 KB	Output is correct
13	Correct	44 ms	312 KB	Output is correct
14	Correct	64 ms	320 KB	Output is correct
15	Correct	53 ms	212 KB	Output is correct
16	Correct	62 ms	300 KB	Output is correct
17	Correct	28 ms	212 KB	Output is correct
18	Correct	50 ms	300 KB	Output is correct
19	Correct	62 ms	300 KB	Output is correct
20	Correct	50 ms	212 KB	Output is correct
21	Execution timed out	1062 ms	304 KB	Time limit exceeded
22	Halted	0 ms	0 KB	-

Subtask #6

0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	212 KB	Output is correct
2	Correct	12 ms	212 KB	Output is correct
3	Correct	6 ms	212 KB	Output is correct
4	Correct	7 ms	212 KB	Output is correct
5	Correct	23 ms	320 KB	Output is correct
6	Correct	11 ms	324 KB	Output is correct
7	Correct	9 ms	212 KB	Output is correct
8	Correct	23 ms	212 KB	Output is correct
9	Correct	14 ms	316 KB	Output is correct
10	Correct	42 ms	212 KB	Output is correct
11	Correct	61 ms	296 KB	Output is correct
12	Correct	41 ms	296 KB	Output is correct
13	Correct	44 ms	312 KB	Output is correct
14	Correct	64 ms	320 KB	Output is correct
15	Correct	53 ms	212 KB	Output is correct
16	Correct	62 ms	300 KB	Output is correct
17	Correct	28 ms	212 KB	Output is correct
18	Correct	50 ms	300 KB	Output is correct
19	Correct	62 ms	300 KB	Output is correct
20	Correct	50 ms	212 KB	Output is correct
21	Execution timed out	1062 ms	304 KB	Time limit exceeded
22	Halted	0 ms	0 KB	-