oj.uz

Submission #640934

# Submission time Handle Problem Language Result Execution time Memory
640934 2022-09-15T14:58:44 Z alex_2008 Kpart (eJOI21_kpart) C++14
30 / 100
 2000 ms 404 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
typedef long long ll;
using namespace std;
const int N = 1e5 + 10;
int a[N], cnt[N];
bool Used[N];
void solve() {
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
		cnt[i - 1] = 0;
	}
	Used[0] = true;
	for (int i = 1; i <= n; i++) {
		Used[0] = true;
		for (int i = 1; i < N; i++)
			Used[i] = false;
		int cur = 0;
		for (int j = i; j <= n; j++) {
			for (int k = cur; k >= 0; k--)
				if (Used[k]) Used[k + a[j]] = true;
			cur += a[j];
			if (cur % 2 == 0 && Used[cur / 2]) cnt[j - i]++;
		}
	}
	vector <int> ans;
	for (int i = 0; i < n; i++) {
		if (cnt[i] == n - i) ans.push_back(i + 1);
	}
	cout << ans.size() << " ";
	for (auto it : ans)
		cout << it << " ";
	cout << "\n";
}
int main() {
	int t;
	cin >> t;
	while (t--)
		solve();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 404 KB Output is correct
2 Correct 329 ms 340 KB Output is correct

Subtask #3
0 / 70.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2080 ms 392 KB Time limit exceeded
2 Halted 0 ms 0 KB -