oj.uz

Submission #438146

# Submission time Handle Problem Language Result Execution time Memory
438146 2021-06-27T16:22:56 Z lulwpop Bootfall (IZhO17_bootfall) C++14
13 / 100
 1000 ms 324 KB 
#include <bits/stdc++.h>
#define all(X) X.begin(), X.end()
#define sz(x) (int)x.size()
#define fr first
#define sc second
#define endl '\n'

using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

const int maxn = 1e6 + 10;
const int maxa = 1e6;
const int inf = 2e9;
const ll INF = 1e18;
const ll mod = 1e9 + 7;
const int block = 350;

int main () 
{
	ios_base::sync_with_stdio(0); cin.tie();
/*#ifndef ONLINE_JUDGE
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
#else
	freopen("bootfall.in", "r", stdin);
	freopen("bootfall.out", "w", stdout);
#endif*/
	int n; cin >> n;
	vector <int> a (n);
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	bitset <25100> st;
	int sum = 0;
	st[0] = 1;
	for (int i = 0; i < n; i++) {
		st |= (st << a[i]);
		sum += a[i];
	}
	if (!(sum & 1) && !st[sum >> 1]) {
		cout << 0;
		return 0;
	}
	vector <int> ans;
	for (int ins = 1; ins <= n * 500; ins++) {
		bool ok = true;
		for (int i = 0; i < n; i++) {
			st = 0;
			st[0] = 1;
			sum = 0;
			for (int j = 0; j < n; j++) {
				if (i != j) {
					st |= (st << a[j]);
					sum += a[j];
				}
			}
			st |= (st << ins);
			sum += ins;
			if ((sum & 1)) {
				ok = false;
				break;
			}
			else if (!st[sum >> 1]) {
				ok = false;
				break;
			}
		}
		if (ok) {
			ans.push_back(ins);
		} 
	}
	cout << sz(ans) << endl;
	for (auto i : ans) {
		cout << i << " ";
	}
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 204 KB Output is correct
2 Correct 16 ms 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 8 ms 312 KB Output is correct
5 Correct 79 ms 204 KB Output is correct
6 Correct 29 ms 316 KB Output is correct
7 Correct 16 ms 204 KB Output is correct
8 Correct 85 ms 316 KB Output is correct
9 Correct 44 ms 204 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 204 KB Output is correct
2 Correct 16 ms 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 8 ms 312 KB Output is correct
5 Correct 79 ms 204 KB Output is correct
6 Correct 29 ms 316 KB Output is correct
7 Correct 16 ms 204 KB Output is correct
8 Correct 85 ms 316 KB Output is correct
9 Correct 44 ms 204 KB Output is correct
10 Correct 380 ms 304 KB Output is correct
11 Correct 460 ms 324 KB Output is correct
12 Correct 376 ms 300 KB Output is correct
13 Correct 283 ms 312 KB Output is correct
14 Correct 431 ms 296 KB Output is correct
15 Correct 389 ms 204 KB Output is correct
16 Correct 475 ms 296 KB Output is correct
17 Correct 155 ms 324 KB Output is correct
18 Correct 283 ms 304 KB Output is correct
19 Correct 320 ms 204 KB Output is correct
20 Correct 380 ms 300 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 204 KB Output is correct
2 Correct 16 ms 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 8 ms 312 KB Output is correct
5 Correct 79 ms 204 KB Output is correct
6 Correct 29 ms 316 KB Output is correct
7 Correct 16 ms 204 KB Output is correct
8 Correct 85 ms 316 KB Output is correct
9 Correct 44 ms 204 KB Output is correct
10 Correct 380 ms 304 KB Output is correct
11 Correct 460 ms 324 KB Output is correct
12 Correct 376 ms 300 KB Output is correct
13 Correct 283 ms 312 KB Output is correct
14 Correct 431 ms 296 KB Output is correct
15 Correct 389 ms 204 KB Output is correct
16 Correct 475 ms 296 KB Output is correct
17 Correct 155 ms 324 KB Output is correct
18 Correct 283 ms 304 KB Output is correct
19 Correct 320 ms 204 KB Output is correct
20 Correct 380 ms 300 KB Output is correct
21 Execution timed out 1092 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 7 ms 204 KB Output is correct
2 Correct 16 ms 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 8 ms 312 KB Output is correct
5 Correct 79 ms 204 KB Output is correct
6 Correct 29 ms 316 KB Output is correct
7 Correct 16 ms 204 KB Output is correct
8 Correct 85 ms 316 KB Output is correct
9 Correct 44 ms 204 KB Output is correct
10 Correct 380 ms 304 KB Output is correct
11 Correct 460 ms 324 KB Output is correct
12 Correct 376 ms 300 KB Output is correct
13 Correct 283 ms 312 KB Output is correct
14 Correct 431 ms 296 KB Output is correct
15 Correct 389 ms 204 KB Output is correct
16 Correct 475 ms 296 KB Output is correct
17 Correct 155 ms 324 KB Output is correct
18 Correct 283 ms 304 KB Output is correct
19 Correct 320 ms 204 KB Output is correct
20 Correct 380 ms 300 KB Output is correct
21 Execution timed out 1092 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 7 ms 204 KB Output is correct
2 Correct 16 ms 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 8 ms 312 KB Output is correct
5 Correct 79 ms 204 KB Output is correct
6 Correct 29 ms 316 KB Output is correct
7 Correct 16 ms 204 KB Output is correct
8 Correct 85 ms 316 KB Output is correct
9 Correct 44 ms 204 KB Output is correct
10 Correct 380 ms 304 KB Output is correct
11 Correct 460 ms 324 KB Output is correct
12 Correct 376 ms 300 KB Output is correct
13 Correct 283 ms 312 KB Output is correct
14 Correct 431 ms 296 KB Output is correct
15 Correct 389 ms 204 KB Output is correct
16 Correct 475 ms 296 KB Output is correct
17 Correct 155 ms 324 KB Output is correct
18 Correct 283 ms 304 KB Output is correct
19 Correct 320 ms 204 KB Output is correct
20 Correct 380 ms 300 KB Output is correct
21 Execution timed out 1092 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 7 ms 204 KB Output is correct
2 Correct 16 ms 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 8 ms 312 KB Output is correct
5 Correct 79 ms 204 KB Output is correct
6 Correct 29 ms 316 KB Output is correct
7 Correct 16 ms 204 KB Output is correct
8 Correct 85 ms 316 KB Output is correct
9 Correct 44 ms 204 KB Output is correct
10 Correct 380 ms 304 KB Output is correct
11 Correct 460 ms 324 KB Output is correct
12 Correct 376 ms 300 KB Output is correct
13 Correct 283 ms 312 KB Output is correct
14 Correct 431 ms 296 KB Output is correct
15 Correct 389 ms 204 KB Output is correct
16 Correct 475 ms 296 KB Output is correct
17 Correct 155 ms 324 KB Output is correct
18 Correct 283 ms 304 KB Output is correct
19 Correct 320 ms 204 KB Output is correct
20 Correct 380 ms 300 KB Output is correct
21 Execution timed out 1092 ms 304 KB Time limit exceeded
22 Halted 0 ms 0 KB -