oj.uz

Submission #754285

# Submission time Handle Problem Language Result Execution time Memory
754285 2023-06-07T12:09:39 Z Olympia Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 324 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -