oj.uz

Submission #670157

# Submission time Handle Problem Language Result Execution time Memory
670157 2022-12-08T07:59:30 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
 542 ms 4740 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 501, MX = 500*500/2 + 1;

int n, a[N], S = 0;
bitset<MX> dp[N];
void solve(){
	cin >> n;
	bool ok = 1;
	for(int i = 1; i <= n; ++i){
		cin >> a[i];
		S += a[i];
		if(a[i] % 2 != a[1] % 2){
			ok = 0;
		}
	}

	if(!ok || S % 2){
		cout << 0;
		return;
	}


	vector<int> mn(M, M);

	vector<int> s;
	s.pb(0);
	for(int i = 1; i <= n; ++i){
		mn[a[i]] = min(i, mn[a[i]]);
		if(mn[a[i]] == i) s.pb(i);
	}


	for(int i: s){
		dp[i][0] = 1;
		for(int l = 1; l <= n; ++l){
			if(i == l) continue;
			dp[i] = dp[i] | (dp[i] << a[l]);
		}
	}

	vector<int> possible;

	for(int x = 2 - (a[1] % 2); x < MX; x += 2){	
		ok = 1;
		a[0] = x;
		for(int i: s){
			bool state1 = 0, state2 = 0;
			if(i == 0){
				int req = (S + x - a[i]) >> 1;
				state1 = (req < MX && dp[i][req]);
			}else{
				int req = (S + x - a[i]) >> 1, req1 = ((S + x - a[i]) >> 1) - x;
				state1 = (req < MX && dp[i][req]);
				state2 = (req1 >= 0 && req1 < MX && dp[i][req1]);
			}
			if(!(state1 | state2)){
				ok = 0;
				break;
			}
		}
		if(ok){
			possible.pb(x);
		}

	}

	cout << possible.size() << '\n';
	for(int p: possible) cout << p << ' ';
}




int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    solve();
    return 0;
 
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 488 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 488 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 7 ms 844 KB Output is correct
24 Correct 18 ms 1100 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 12 ms 724 KB Output is correct
32 Correct 21 ms 1108 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 23 ms 1228 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 488 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 7 ms 844 KB Output is correct
24 Correct 18 ms 1100 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 12 ms 724 KB Output is correct
32 Correct 21 ms 1108 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 23 ms 1228 KB Output is correct
37 Correct 46 ms 1248 KB Output is correct
38 Correct 47 ms 1372 KB Output is correct
39 Correct 5 ms 340 KB Output is correct
40 Correct 162 ms 2796 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 127 ms 2380 KB Output is correct
43 Correct 32 ms 1100 KB Output is correct
44 Correct 33 ms 1152 KB Output is correct
45 Correct 35 ms 1148 KB Output is correct
46 Correct 152 ms 2544 KB Output is correct
47 Correct 123 ms 2388 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 141 ms 2664 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 18 ms 852 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 488 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 7 ms 844 KB Output is correct
24 Correct 18 ms 1100 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 12 ms 724 KB Output is correct
32 Correct 21 ms 1108 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 23 ms 1228 KB Output is correct
37 Correct 46 ms 1248 KB Output is correct
38 Correct 47 ms 1372 KB Output is correct
39 Correct 5 ms 340 KB Output is correct
40 Correct 162 ms 2796 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 127 ms 2380 KB Output is correct
43 Correct 32 ms 1100 KB Output is correct
44 Correct 33 ms 1152 KB Output is correct
45 Correct 35 ms 1148 KB Output is correct
46 Correct 152 ms 2544 KB Output is correct
47 Correct 123 ms 2388 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 141 ms 2664 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 18 ms 852 KB Output is correct
53 Correct 158 ms 2636 KB Output is correct
54 Correct 190 ms 2764 KB Output is correct
55 Correct 27 ms 1236 KB Output is correct
56 Correct 186 ms 2996 KB Output is correct
57 Correct 32 ms 1168 KB Output is correct
58 Correct 277 ms 3676 KB Output is correct
59 Correct 172 ms 2468 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 162 ms 2516 KB Output is correct
62 Correct 80 ms 1784 KB Output is correct
63 Correct 45 ms 1396 KB Output is correct
64 Correct 46 ms 1356 KB Output is correct
65 Correct 13 ms 468 KB Output is correct
66 Correct 53 ms 1044 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 488 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 7 ms 844 KB Output is correct
24 Correct 18 ms 1100 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 12 ms 724 KB Output is correct
32 Correct 21 ms 1108 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 23 ms 1228 KB Output is correct
37 Correct 46 ms 1248 KB Output is correct
38 Correct 47 ms 1372 KB Output is correct
39 Correct 5 ms 340 KB Output is correct
40 Correct 162 ms 2796 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 127 ms 2380 KB Output is correct
43 Correct 32 ms 1100 KB Output is correct
44 Correct 33 ms 1152 KB Output is correct
45 Correct 35 ms 1148 KB Output is correct
46 Correct 152 ms 2544 KB Output is correct
47 Correct 123 ms 2388 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 141 ms 2664 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 18 ms 852 KB Output is correct
53 Correct 158 ms 2636 KB Output is correct
54 Correct 190 ms 2764 KB Output is correct
55 Correct 27 ms 1236 KB Output is correct
56 Correct 186 ms 2996 KB Output is correct
57 Correct 32 ms 1168 KB Output is correct
58 Correct 277 ms 3676 KB Output is correct
59 Correct 172 ms 2468 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 162 ms 2516 KB Output is correct
62 Correct 80 ms 1784 KB Output is correct
63 Correct 45 ms 1396 KB Output is correct
64 Correct 46 ms 1356 KB Output is correct
65 Correct 13 ms 468 KB Output is correct
66 Correct 53 ms 1044 KB Output is correct
67 Correct 363 ms 4740 KB Output is correct
68 Correct 542 ms 4644 KB Output is correct
69 Incorrect 67 ms 1484 KB Output isn't correct
70 Halted 0 ms 0 KB -