oj.uz

Submission #729666

# Submission time Handle Problem Language Result Execution time Memory
729666 2023-04-24T10:35:31 Z yhlas Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 464 KB 
#include "bits/stdc++.h"
using namespace std;

int32_t main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n;
	cin >> n;
	vector <int> a(n + 1, 0);
	int sm = 0;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
		sm += a[i];
	}
	
	if (sm % 2) return cout << 0, 0;
	
	int m = (sm + 5000)>>1;

	vector <int> dp(m + 1, 0);
	dp[0] = 1;
	for (int i = 1; i <= n; i++) {
		for (int j = m - a[i]; j >= 0; j--) dp[j + a[i]] += dp[j];
	}

	if (!dp[sm>>1]) return cout << 0, 0;

	vector <int> ans;
	int x = 0;
	while (++x <= 5000) {
		int smv = sm + x;
		int mv = smv>>1;
		
		vector <int> v = a; v.push_back(x);
		
		vector <int> can = dp;
		for (int i = mv; i >= x; i--) can[i] += can[i - x];
			
		bool tr = true;
		for (int i = 1; i <= n + 1; i++) {
			if ((smv - v[i]) % 2) {
				tr = false;
				break;
			}
			
			for (int j = v[i]; j <= mv; j++) can[j] -= can[j - v[i]];
			
			if (!can[(smv - v[i])>>1]) {
				tr = false;
				break;
			}
			
			for (int j = mv; j >= v[i]; j--) can[j] += can[j - v[i]];
		}
		
		if (tr) ans.push_back(x);
	}
	
	cout << (int)ans.size() << '\n';
	for (auto i : ans) cout << i << ' ';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 212 KB Output is correct
2 Correct 5 ms 336 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 5 ms 212 KB Output is correct
7 Correct 8 ms 336 KB Output is correct
8 Correct 11 ms 340 KB Output is correct
9 Correct 8 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 212 KB Output is correct
2 Correct 5 ms 336 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 5 ms 212 KB Output is correct
7 Correct 8 ms 336 KB Output is correct
8 Correct 11 ms 340 KB Output is correct
9 Correct 8 ms 212 KB Output is correct
10 Correct 10 ms 384 KB Output is correct
11 Correct 9 ms 340 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 9 ms 336 KB Output is correct
14 Correct 7 ms 212 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 9 ms 340 KB Output is correct
17 Correct 5 ms 212 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 6 ms 212 KB Output is correct
20 Correct 7 ms 212 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 212 KB Output is correct
2 Correct 5 ms 336 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 5 ms 212 KB Output is correct
7 Correct 8 ms 336 KB Output is correct
8 Correct 11 ms 340 KB Output is correct
9 Correct 8 ms 212 KB Output is correct
10 Correct 10 ms 384 KB Output is correct
11 Correct 9 ms 340 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 9 ms 336 KB Output is correct
14 Correct 7 ms 212 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 9 ms 340 KB Output is correct
17 Correct 5 ms 212 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 6 ms 212 KB Output is correct
20 Correct 7 ms 212 KB Output is correct
21 Correct 501 ms 344 KB Output is correct
22 Correct 597 ms 352 KB Output is correct
23 Correct 189 ms 464 KB Output is correct
24 Execution timed out 1080 ms 464 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 212 KB Output is correct
2 Correct 5 ms 336 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 5 ms 212 KB Output is correct
7 Correct 8 ms 336 KB Output is correct
8 Correct 11 ms 340 KB Output is correct
9 Correct 8 ms 212 KB Output is correct
10 Correct 10 ms 384 KB Output is correct
11 Correct 9 ms 340 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 9 ms 336 KB Output is correct
14 Correct 7 ms 212 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 9 ms 340 KB Output is correct
17 Correct 5 ms 212 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 6 ms 212 KB Output is correct
20 Correct 7 ms 212 KB Output is correct
21 Correct 501 ms 344 KB Output is correct
22 Correct 597 ms 352 KB Output is correct
23 Correct 189 ms 464 KB Output is correct
24 Execution timed out 1080 ms 464 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 212 KB Output is correct
2 Correct 5 ms 336 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 5 ms 212 KB Output is correct
7 Correct 8 ms 336 KB Output is correct
8 Correct 11 ms 340 KB Output is correct
9 Correct 8 ms 212 KB Output is correct
10 Correct 10 ms 384 KB Output is correct
11 Correct 9 ms 340 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 9 ms 336 KB Output is correct
14 Correct 7 ms 212 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 9 ms 340 KB Output is correct
17 Correct 5 ms 212 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 6 ms 212 KB Output is correct
20 Correct 7 ms 212 KB Output is correct
21 Correct 501 ms 344 KB Output is correct
22 Correct 597 ms 352 KB Output is correct
23 Correct 189 ms 464 KB Output is correct
24 Execution timed out 1080 ms 464 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 212 KB Output is correct
2 Correct 5 ms 336 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 5 ms 212 KB Output is correct
7 Correct 8 ms 336 KB Output is correct
8 Correct 11 ms 340 KB Output is correct
9 Correct 8 ms 212 KB Output is correct
10 Correct 10 ms 384 KB Output is correct
11 Correct 9 ms 340 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 9 ms 336 KB Output is correct
14 Correct 7 ms 212 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 9 ms 340 KB Output is correct
17 Correct 5 ms 212 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 6 ms 212 KB Output is correct
20 Correct 7 ms 212 KB Output is correct
21 Correct 501 ms 344 KB Output is correct
22 Correct 597 ms 352 KB Output is correct
23 Correct 189 ms 464 KB Output is correct
24 Execution timed out 1080 ms 464 KB Time limit exceeded
25 Halted 0 ms 0 KB -