oj.uz

Submission #379903

# Submission time Handle Problem Language Result Execution time Memory
379903 2021-03-19T15:59:45 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
65 / 100
 985 ms 5492 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*300> 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;
	}
	if(sum%2 || cnt[0] == cnt[1]) {
		cout << "0";
		return;
	}
	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:69:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   69 | 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 492 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 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 364 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 492 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 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 3 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 492 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 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 20 ms 1276 KB Output is correct
22 Correct 25 ms 1260 KB Output is correct
23 Correct 12 ms 1004 KB Output is correct
24 Correct 32 ms 1260 KB Output is correct
25 Correct 6 ms 620 KB Output is correct
26 Correct 6 ms 620 KB Output is correct
27 Correct 6 ms 620 KB Output is correct
28 Correct 4 ms 492 KB Output is correct
29 Correct 4 ms 492 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 21 ms 908 KB Output is correct
32 Correct 36 ms 1260 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 3 ms 492 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 42 ms 1388 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 492 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 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 20 ms 1276 KB Output is correct
22 Correct 25 ms 1260 KB Output is correct
23 Correct 12 ms 1004 KB Output is correct
24 Correct 32 ms 1260 KB Output is correct
25 Correct 6 ms 620 KB Output is correct
26 Correct 6 ms 620 KB Output is correct
27 Correct 6 ms 620 KB Output is correct
28 Correct 4 ms 492 KB Output is correct
29 Correct 4 ms 492 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 21 ms 908 KB Output is correct
32 Correct 36 ms 1260 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 3 ms 492 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 42 ms 1388 KB Output is correct
37 Correct 78 ms 1516 KB Output is correct
38 Correct 82 ms 1644 KB Output is correct
39 Correct 5 ms 492 KB Output is correct
40 Correct 291 ms 3308 KB Output is correct
41 Correct 5 ms 492 KB Output is correct
42 Correct 225 ms 2852 KB Output is correct
43 Correct 52 ms 1260 KB Output is correct
44 Correct 56 ms 1260 KB Output is correct
45 Correct 56 ms 1260 KB Output is correct
46 Correct 285 ms 3052 KB Output is correct
47 Correct 218 ms 2796 KB Output is correct
48 Correct 14 ms 876 KB Output is correct
49 Correct 9 ms 492 KB Output is correct
50 Correct 248 ms 3180 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 30 ms 1004 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 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 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 20 ms 1276 KB Output is correct
22 Correct 25 ms 1260 KB Output is correct
23 Correct 12 ms 1004 KB Output is correct
24 Correct 32 ms 1260 KB Output is correct
25 Correct 6 ms 620 KB Output is correct
26 Correct 6 ms 620 KB Output is correct
27 Correct 6 ms 620 KB Output is correct
28 Correct 4 ms 492 KB Output is correct
29 Correct 4 ms 492 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 21 ms 908 KB Output is correct
32 Correct 36 ms 1260 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 3 ms 492 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 42 ms 1388 KB Output is correct
37 Correct 78 ms 1516 KB Output is correct
38 Correct 82 ms 1644 KB Output is correct
39 Correct 5 ms 492 KB Output is correct
40 Correct 291 ms 3308 KB Output is correct
41 Correct 5 ms 492 KB Output is correct
42 Correct 225 ms 2852 KB Output is correct
43 Correct 52 ms 1260 KB Output is correct
44 Correct 56 ms 1260 KB Output is correct
45 Correct 56 ms 1260 KB Output is correct
46 Correct 285 ms 3052 KB Output is correct
47 Correct 218 ms 2796 KB Output is correct
48 Correct 14 ms 876 KB Output is correct
49 Correct 9 ms 492 KB Output is correct
50 Correct 248 ms 3180 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 30 ms 1004 KB Output is correct
53 Correct 274 ms 3124 KB Output is correct
54 Correct 329 ms 3308 KB Output is correct
55 Correct 46 ms 1264 KB Output is correct
56 Correct 320 ms 3436 KB Output is correct
57 Correct 52 ms 1392 KB Output is correct
58 Correct 485 ms 4468 KB Output is correct
59 Correct 273 ms 2956 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 273 ms 3056 KB Output is correct
62 Correct 134 ms 2032 KB Output is correct
63 Correct 76 ms 1520 KB Output is correct
64 Correct 73 ms 1648 KB Output is correct
65 Correct 23 ms 620 KB Output is correct
66 Correct 91 ms 1260 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 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 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 20 ms 1276 KB Output is correct
22 Correct 25 ms 1260 KB Output is correct
23 Correct 12 ms 1004 KB Output is correct
24 Correct 32 ms 1260 KB Output is correct
25 Correct 6 ms 620 KB Output is correct
26 Correct 6 ms 620 KB Output is correct
27 Correct 6 ms 620 KB Output is correct
28 Correct 4 ms 492 KB Output is correct
29 Correct 4 ms 492 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 21 ms 908 KB Output is correct
32 Correct 36 ms 1260 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 3 ms 492 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 42 ms 1388 KB Output is correct
37 Correct 78 ms 1516 KB Output is correct
38 Correct 82 ms 1644 KB Output is correct
39 Correct 5 ms 492 KB Output is correct
40 Correct 291 ms 3308 KB Output is correct
41 Correct 5 ms 492 KB Output is correct
42 Correct 225 ms 2852 KB Output is correct
43 Correct 52 ms 1260 KB Output is correct
44 Correct 56 ms 1260 KB Output is correct
45 Correct 56 ms 1260 KB Output is correct
46 Correct 285 ms 3052 KB Output is correct
47 Correct 218 ms 2796 KB Output is correct
48 Correct 14 ms 876 KB Output is correct
49 Correct 9 ms 492 KB Output is correct
50 Correct 248 ms 3180 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 30 ms 1004 KB Output is correct
53 Correct 274 ms 3124 KB Output is correct
54 Correct 329 ms 3308 KB Output is correct
55 Correct 46 ms 1264 KB Output is correct
56 Correct 320 ms 3436 KB Output is correct
57 Correct 52 ms 1392 KB Output is correct
58 Correct 485 ms 4468 KB Output is correct
59 Correct 273 ms 2956 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 273 ms 3056 KB Output is correct
62 Correct 134 ms 2032 KB Output is correct
63 Correct 76 ms 1520 KB Output is correct
64 Correct 73 ms 1648 KB Output is correct
65 Correct 23 ms 620 KB Output is correct
66 Correct 91 ms 1260 KB Output is correct
67 Correct 627 ms 5492 KB Output is correct
68 Correct 985 ms 5356 KB Output is correct
69 Incorrect 118 ms 2284 KB Output isn't correct
70 Halted 0 ms 0 KB -