oj.uz

Submission #729662

# Submission time Handle Problem Language Result Execution time Memory
729662 2023-04-24T10:34:36 Z yhlas Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 492 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 + 10000)>>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 <= 10000) {
		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 38 ms 340 KB Output is correct
2 Correct 17 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 18 ms 340 KB Output is correct
5 Correct 19 ms 360 KB Output is correct
6 Correct 16 ms 356 KB Output is correct
7 Correct 17 ms 340 KB Output is correct
8 Correct 25 ms 340 KB Output is correct
9 Correct 23 ms 364 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 340 KB Output is correct
2 Correct 17 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 18 ms 340 KB Output is correct
5 Correct 19 ms 360 KB Output is correct
6 Correct 16 ms 356 KB Output is correct
7 Correct 17 ms 340 KB Output is correct
8 Correct 25 ms 340 KB Output is correct
9 Correct 23 ms 364 KB Output is correct
10 Correct 21 ms 360 KB Output is correct
11 Correct 21 ms 376 KB Output is correct
12 Correct 17 ms 340 KB Output is correct
13 Correct 17 ms 340 KB Output is correct
14 Correct 25 ms 356 KB Output is correct
15 Correct 20 ms 352 KB Output is correct
16 Correct 21 ms 372 KB Output is correct
17 Correct 17 ms 340 KB Output is correct
18 Correct 19 ms 340 KB Output is correct
19 Correct 25 ms 340 KB Output is correct
20 Correct 24 ms 340 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 340 KB Output is correct
2 Correct 17 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 18 ms 340 KB Output is correct
5 Correct 19 ms 360 KB Output is correct
6 Correct 16 ms 356 KB Output is correct
7 Correct 17 ms 340 KB Output is correct
8 Correct 25 ms 340 KB Output is correct
9 Correct 23 ms 364 KB Output is correct
10 Correct 21 ms 360 KB Output is correct
11 Correct 21 ms 376 KB Output is correct
12 Correct 17 ms 340 KB Output is correct
13 Correct 17 ms 340 KB Output is correct
14 Correct 25 ms 356 KB Output is correct
15 Correct 20 ms 352 KB Output is correct
16 Correct 21 ms 372 KB Output is correct
17 Correct 17 ms 340 KB Output is correct
18 Correct 19 ms 340 KB Output is correct
19 Correct 25 ms 340 KB Output is correct
20 Correct 24 ms 340 KB Output is correct
21 Correct 389 ms 380 KB Output is correct
22 Correct 530 ms 360 KB Output is correct
23 Correct 181 ms 472 KB Output is correct
24 Execution timed out 1089 ms 492 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 340 KB Output is correct
2 Correct 17 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 18 ms 340 KB Output is correct
5 Correct 19 ms 360 KB Output is correct
6 Correct 16 ms 356 KB Output is correct
7 Correct 17 ms 340 KB Output is correct
8 Correct 25 ms 340 KB Output is correct
9 Correct 23 ms 364 KB Output is correct
10 Correct 21 ms 360 KB Output is correct
11 Correct 21 ms 376 KB Output is correct
12 Correct 17 ms 340 KB Output is correct
13 Correct 17 ms 340 KB Output is correct
14 Correct 25 ms 356 KB Output is correct
15 Correct 20 ms 352 KB Output is correct
16 Correct 21 ms 372 KB Output is correct
17 Correct 17 ms 340 KB Output is correct
18 Correct 19 ms 340 KB Output is correct
19 Correct 25 ms 340 KB Output is correct
20 Correct 24 ms 340 KB Output is correct
21 Correct 389 ms 380 KB Output is correct
22 Correct 530 ms 360 KB Output is correct
23 Correct 181 ms 472 KB Output is correct
24 Execution timed out 1089 ms 492 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 340 KB Output is correct
2 Correct 17 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 18 ms 340 KB Output is correct
5 Correct 19 ms 360 KB Output is correct
6 Correct 16 ms 356 KB Output is correct
7 Correct 17 ms 340 KB Output is correct
8 Correct 25 ms 340 KB Output is correct
9 Correct 23 ms 364 KB Output is correct
10 Correct 21 ms 360 KB Output is correct
11 Correct 21 ms 376 KB Output is correct
12 Correct 17 ms 340 KB Output is correct
13 Correct 17 ms 340 KB Output is correct
14 Correct 25 ms 356 KB Output is correct
15 Correct 20 ms 352 KB Output is correct
16 Correct 21 ms 372 KB Output is correct
17 Correct 17 ms 340 KB Output is correct
18 Correct 19 ms 340 KB Output is correct
19 Correct 25 ms 340 KB Output is correct
20 Correct 24 ms 340 KB Output is correct
21 Correct 389 ms 380 KB Output is correct
22 Correct 530 ms 360 KB Output is correct
23 Correct 181 ms 472 KB Output is correct
24 Execution timed out 1089 ms 492 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 340 KB Output is correct
2 Correct 17 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 18 ms 340 KB Output is correct
5 Correct 19 ms 360 KB Output is correct
6 Correct 16 ms 356 KB Output is correct
7 Correct 17 ms 340 KB Output is correct
8 Correct 25 ms 340 KB Output is correct
9 Correct 23 ms 364 KB Output is correct
10 Correct 21 ms 360 KB Output is correct
11 Correct 21 ms 376 KB Output is correct
12 Correct 17 ms 340 KB Output is correct
13 Correct 17 ms 340 KB Output is correct
14 Correct 25 ms 356 KB Output is correct
15 Correct 20 ms 352 KB Output is correct
16 Correct 21 ms 372 KB Output is correct
17 Correct 17 ms 340 KB Output is correct
18 Correct 19 ms 340 KB Output is correct
19 Correct 25 ms 340 KB Output is correct
20 Correct 24 ms 340 KB Output is correct
21 Correct 389 ms 380 KB Output is correct
22 Correct 530 ms 360 KB Output is correct
23 Correct 181 ms 472 KB Output is correct
24 Execution timed out 1089 ms 492 KB Time limit exceeded
25 Halted 0 ms 0 KB -