oj.uz

Submission #754440

# Submission time Handle Problem Language Result Execution time Memory
754440 2023-06-07T18:59:40 Z Olympia Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 340 KB 
#include <vector>
#include <iostream>
#include <cassert>
#include <random>
#include <cmath>
#include <map>
#include <algorithm>;
#include <bitset>
#include <set>
#include <stack>
using namespace std;
bool okay (vector<int> &v, int ind) {
	int sum = 0;
	for (int i = 0; i < v.size(); i++) {
		if (i != ind) {
			sum += v[i];
		}
	}
	if (sum % 2 == 1) {
		return false;
	}
	bitset<5000> bs;
	bs[0] = true;
	for (int i = 0; i < v.size(); i++) {
		if (i != ind) {
			bs |= (bs << v[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];
    }
    random_shuffle(v.begin(), v.end());
    vector<int> ans;
    for (int i = 0; i <= 5000; i++) {
    	v.push_back(i);
    	bool fine = true;
    	for (int j = 0; j < v.size(); j++) {
    		if (!okay(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:7:21: warning: extra tokens at end of #include directive
    7 | #include <algorithm>;
      |                     ^
bootfall.cpp: In function 'bool okay(std::vector<int>&, int)':
bootfall.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
bootfall.cpp:24:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
bootfall.cpp: In function 'std::vector<int> remove(std::vector<int>, int)':
bootfall.cpp:33:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
bootfall.cpp: In function 'int main()':
bootfall.cpp:54:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |      for (int j = 0; j < v.size(); j++) {
      |                      ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 5 ms 320 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 12 ms 320 KB Output is correct
6 Correct 5 ms 320 KB Output is correct
7 Correct 4 ms 216 KB Output is correct
8 Correct 12 ms 320 KB Output is correct
9 Correct 6 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 5 ms 320 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 12 ms 320 KB Output is correct
6 Correct 5 ms 320 KB Output is correct
7 Correct 4 ms 216 KB Output is correct
8 Correct 12 ms 320 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 18 ms 320 KB Output is correct
11 Correct 36 ms 212 KB Output is correct
12 Correct 19 ms 316 KB Output is correct
13 Correct 15 ms 316 KB Output is correct
14 Correct 38 ms 316 KB Output is correct
15 Correct 30 ms 212 KB Output is correct
16 Correct 37 ms 212 KB Output is correct
17 Correct 16 ms 316 KB Output is correct
18 Correct 26 ms 308 KB Output is correct
19 Correct 26 ms 340 KB Output is correct
20 Correct 19 ms 320 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 5 ms 320 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 12 ms 320 KB Output is correct
6 Correct 5 ms 320 KB Output is correct
7 Correct 4 ms 216 KB Output is correct
8 Correct 12 ms 320 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 18 ms 320 KB Output is correct
11 Correct 36 ms 212 KB Output is correct
12 Correct 19 ms 316 KB Output is correct
13 Correct 15 ms 316 KB Output is correct
14 Correct 38 ms 316 KB Output is correct
15 Correct 30 ms 212 KB Output is correct
16 Correct 37 ms 212 KB Output is correct
17 Correct 16 ms 316 KB Output is correct
18 Correct 26 ms 308 KB Output is correct
19 Correct 26 ms 340 KB Output is correct
20 Correct 19 ms 320 KB Output is correct
21 Execution timed out 1067 ms 300 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 5 ms 320 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 12 ms 320 KB Output is correct
6 Correct 5 ms 320 KB Output is correct
7 Correct 4 ms 216 KB Output is correct
8 Correct 12 ms 320 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 18 ms 320 KB Output is correct
11 Correct 36 ms 212 KB Output is correct
12 Correct 19 ms 316 KB Output is correct
13 Correct 15 ms 316 KB Output is correct
14 Correct 38 ms 316 KB Output is correct
15 Correct 30 ms 212 KB Output is correct
16 Correct 37 ms 212 KB Output is correct
17 Correct 16 ms 316 KB Output is correct
18 Correct 26 ms 308 KB Output is correct
19 Correct 26 ms 340 KB Output is correct
20 Correct 19 ms 320 KB Output is correct
21 Execution timed out 1067 ms 300 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 5 ms 320 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 12 ms 320 KB Output is correct
6 Correct 5 ms 320 KB Output is correct
7 Correct 4 ms 216 KB Output is correct
8 Correct 12 ms 320 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 18 ms 320 KB Output is correct
11 Correct 36 ms 212 KB Output is correct
12 Correct 19 ms 316 KB Output is correct
13 Correct 15 ms 316 KB Output is correct
14 Correct 38 ms 316 KB Output is correct
15 Correct 30 ms 212 KB Output is correct
16 Correct 37 ms 212 KB Output is correct
17 Correct 16 ms 316 KB Output is correct
18 Correct 26 ms 308 KB Output is correct
19 Correct 26 ms 340 KB Output is correct
20 Correct 19 ms 320 KB Output is correct
21 Execution timed out 1067 ms 300 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 5 ms 320 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 12 ms 320 KB Output is correct
6 Correct 5 ms 320 KB Output is correct
7 Correct 4 ms 216 KB Output is correct
8 Correct 12 ms 320 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 18 ms 320 KB Output is correct
11 Correct 36 ms 212 KB Output is correct
12 Correct 19 ms 316 KB Output is correct
13 Correct 15 ms 316 KB Output is correct
14 Correct 38 ms 316 KB Output is correct
15 Correct 30 ms 212 KB Output is correct
16 Correct 37 ms 212 KB Output is correct
17 Correct 16 ms 316 KB Output is correct
18 Correct 26 ms 308 KB Output is correct
19 Correct 26 ms 340 KB Output is correct
20 Correct 19 ms 320 KB Output is correct
21 Execution timed out 1067 ms 300 KB Time limit exceeded
22 Halted 0 ms 0 KB -