oj.uz

Submission #379900

# Submission time Handle Problem Language Result Execution time Memory
379900 2021-03-19T15:58:27 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
44 / 100
 1000 ms 7664 KB 
#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 500+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;
 
int a[N] , u[N];
bitset<500*400> dp[N] , b1;
 
 
void solve() {
	int n;
	cin >> n;
	int sum = 0;
	int cnt[2];
	cnt[0]=cnt[1]=0;
	for(int i = 1; i <= n; i ++) {
		cin >> a[i];
		sum += a[i];
		cnt[a[i]%2] = 1;
	}
	set<int> st;
	for(int i = 0; i <= n; i ++) {
		if(u[a[i]]) continue;
		u[a[i]] = 1;
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			dp[i] = (dp[i] | (dp[i] << a[j]));
			dp[i][a[j]] = 1;
		}
		dp[i] <<= a[i]/2;
		if(i == 1) b1 = dp[i];
		if(i > 1) b1 &= dp[i];
	}
	if(sum%2 || !dp[0][sum/2] || cnt[0] == cnt[1]) {
		cout << 0;
		return;
	}
	vector<int> ans;
	int sta = 0;
	if(cnt[1]) sta = 1;
	for(int i = sta; i <= sum; i += 2) {
		int cur = (sum+i)/2;
		if(b1[cur]) ans.push_back(i);
	}
	sort(all(ans));
	cout << ans.size() << '\n';
	for(auto to: ans) {
		cout << to << ' ';
	}
}
/*
1 2 1 2   2
 
 
*/
main() {
    ios;
    int tt = 1;
    //cin >> tt;
    while(tt --) {
        solve();
    }
    return 0;
}

Compilation message

bootfall.cpp:65:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   65 | main() {
      |      ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 4 ms 748 KB Output is correct
12 Correct 4 ms 748 KB Output is correct
13 Correct 5 ms 876 KB Output is correct
14 Correct 4 ms 748 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 4 ms 748 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 4 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 4 ms 748 KB Output is correct
12 Correct 4 ms 748 KB Output is correct
13 Correct 5 ms 876 KB Output is correct
14 Correct 4 ms 748 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 4 ms 748 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 4 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 27 ms 1436 KB Output is correct
22 Correct 34 ms 1516 KB Output is correct
23 Correct 18 ms 1244 KB Output is correct
24 Correct 42 ms 1516 KB Output is correct
25 Correct 8 ms 620 KB Output is correct
26 Correct 9 ms 620 KB Output is correct
27 Correct 17 ms 620 KB Output is correct
28 Correct 6 ms 492 KB Output is correct
29 Correct 5 ms 492 KB Output is correct
30 Correct 65 ms 2156 KB Output is correct
31 Correct 33 ms 1132 KB Output is correct
32 Correct 51 ms 1644 KB Output is correct
33 Correct 3 ms 492 KB Output is correct
34 Correct 3 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 53 ms 1780 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 4 ms 748 KB Output is correct
12 Correct 4 ms 748 KB Output is correct
13 Correct 5 ms 876 KB Output is correct
14 Correct 4 ms 748 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 4 ms 748 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 4 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 27 ms 1436 KB Output is correct
22 Correct 34 ms 1516 KB Output is correct
23 Correct 18 ms 1244 KB Output is correct
24 Correct 42 ms 1516 KB Output is correct
25 Correct 8 ms 620 KB Output is correct
26 Correct 9 ms 620 KB Output is correct
27 Correct 17 ms 620 KB Output is correct
28 Correct 6 ms 492 KB Output is correct
29 Correct 5 ms 492 KB Output is correct
30 Correct 65 ms 2156 KB Output is correct
31 Correct 33 ms 1132 KB Output is correct
32 Correct 51 ms 1644 KB Output is correct
33 Correct 3 ms 492 KB Output is correct
34 Correct 3 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 53 ms 1780 KB Output is correct
37 Correct 95 ms 1900 KB Output is correct
38 Correct 105 ms 1988 KB Output is correct
39 Correct 6 ms 492 KB Output is correct
40 Correct 371 ms 4204 KB Output is correct
41 Correct 9 ms 492 KB Output is correct
42 Correct 277 ms 3544 KB Output is correct
43 Correct 63 ms 1516 KB Output is correct
44 Correct 65 ms 1516 KB Output is correct
45 Correct 66 ms 1516 KB Output is correct
46 Correct 357 ms 3948 KB Output is correct
47 Correct 271 ms 3508 KB Output is correct
48 Correct 21 ms 876 KB Output is correct
49 Correct 15 ms 620 KB Output is correct
50 Correct 324 ms 3948 KB Output is correct
51 Correct 614 ms 6592 KB Output is correct
52 Correct 36 ms 1132 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 4 ms 748 KB Output is correct
12 Correct 4 ms 748 KB Output is correct
13 Correct 5 ms 876 KB Output is correct
14 Correct 4 ms 748 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 4 ms 748 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 4 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 27 ms 1436 KB Output is correct
22 Correct 34 ms 1516 KB Output is correct
23 Correct 18 ms 1244 KB Output is correct
24 Correct 42 ms 1516 KB Output is correct
25 Correct 8 ms 620 KB Output is correct
26 Correct 9 ms 620 KB Output is correct
27 Correct 17 ms 620 KB Output is correct
28 Correct 6 ms 492 KB Output is correct
29 Correct 5 ms 492 KB Output is correct
30 Correct 65 ms 2156 KB Output is correct
31 Correct 33 ms 1132 KB Output is correct
32 Correct 51 ms 1644 KB Output is correct
33 Correct 3 ms 492 KB Output is correct
34 Correct 3 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 53 ms 1780 KB Output is correct
37 Correct 95 ms 1900 KB Output is correct
38 Correct 105 ms 1988 KB Output is correct
39 Correct 6 ms 492 KB Output is correct
40 Correct 371 ms 4204 KB Output is correct
41 Correct 9 ms 492 KB Output is correct
42 Correct 277 ms 3544 KB Output is correct
43 Correct 63 ms 1516 KB Output is correct
44 Correct 65 ms 1516 KB Output is correct
45 Correct 66 ms 1516 KB Output is correct
46 Correct 357 ms 3948 KB Output is correct
47 Correct 271 ms 3508 KB Output is correct
48 Correct 21 ms 876 KB Output is correct
49 Correct 15 ms 620 KB Output is correct
50 Correct 324 ms 3948 KB Output is correct
51 Correct 614 ms 6592 KB Output is correct
52 Correct 36 ms 1132 KB Output is correct
53 Correct 335 ms 3820 KB Output is correct
54 Correct 426 ms 3948 KB Output is correct
55 Correct 53 ms 1392 KB Output is correct
56 Correct 414 ms 4332 KB Output is correct
57 Correct 63 ms 1520 KB Output is correct
58 Correct 611 ms 5428 KB Output is correct
59 Correct 416 ms 3568 KB Output is correct
60 Execution timed out 1066 ms 7664 KB Time limit exceeded
61 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 4 ms 748 KB Output is correct
12 Correct 4 ms 748 KB Output is correct
13 Correct 5 ms 876 KB Output is correct
14 Correct 4 ms 748 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 4 ms 748 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 4 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 27 ms 1436 KB Output is correct
22 Correct 34 ms 1516 KB Output is correct
23 Correct 18 ms 1244 KB Output is correct
24 Correct 42 ms 1516 KB Output is correct
25 Correct 8 ms 620 KB Output is correct
26 Correct 9 ms 620 KB Output is correct
27 Correct 17 ms 620 KB Output is correct
28 Correct 6 ms 492 KB Output is correct
29 Correct 5 ms 492 KB Output is correct
30 Correct 65 ms 2156 KB Output is correct
31 Correct 33 ms 1132 KB Output is correct
32 Correct 51 ms 1644 KB Output is correct
33 Correct 3 ms 492 KB Output is correct
34 Correct 3 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 53 ms 1780 KB Output is correct
37 Correct 95 ms 1900 KB Output is correct
38 Correct 105 ms 1988 KB Output is correct
39 Correct 6 ms 492 KB Output is correct
40 Correct 371 ms 4204 KB Output is correct
41 Correct 9 ms 492 KB Output is correct
42 Correct 277 ms 3544 KB Output is correct
43 Correct 63 ms 1516 KB Output is correct
44 Correct 65 ms 1516 KB Output is correct
45 Correct 66 ms 1516 KB Output is correct
46 Correct 357 ms 3948 KB Output is correct
47 Correct 271 ms 3508 KB Output is correct
48 Correct 21 ms 876 KB Output is correct
49 Correct 15 ms 620 KB Output is correct
50 Correct 324 ms 3948 KB Output is correct
51 Correct 614 ms 6592 KB Output is correct
52 Correct 36 ms 1132 KB Output is correct
53 Correct 335 ms 3820 KB Output is correct
54 Correct 426 ms 3948 KB Output is correct
55 Correct 53 ms 1392 KB Output is correct
56 Correct 414 ms 4332 KB Output is correct
57 Correct 63 ms 1520 KB Output is correct
58 Correct 611 ms 5428 KB Output is correct
59 Correct 416 ms 3568 KB Output is correct
60 Execution timed out 1066 ms 7664 KB Time limit exceeded
61 Halted 0 ms 0 KB -