oj.uz

Submission #670349

# Submission time Handle Problem Language Result Execution time Memory
670349 2022-12-08T17:33:54 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
100 / 100
 646 ms 5764 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 510, MX = 520*520;

int n, a[N], S = 0;
bitset<MX/2> 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> used(M);

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

	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 <= S; x += 2){	
		ok = 1;
		a[0] = x;
		for(int i: s){
			bool state1 = 0, state2 = 0;
			int req = -1, req1 = -1;			

			int c = S + x - a[i];

			req = c >> 1;

			if(req > S/2) req = c - req;

			if(req <= S/2)
				state1 = dp[i][req];
			
			if(i > 0){

				req1 = (c >> 1) - x;

				if(req1 >= 0){

					if(req1 > S/2) req1 = c - req1;

					if(req1 <= S/2)
						state2 = 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 0 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 0 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 352 KB Output is correct
8 Correct 1 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 0 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 0 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 352 KB Output is correct
8 Correct 1 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 2 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 1 ms 468 KB Output is correct
19 Correct 2 ms 468 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 0 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 0 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 352 KB Output is correct
8 Correct 1 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 2 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 1 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 12 ms 1024 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 8 ms 852 KB Output is correct
24 Correct 20 ms 1056 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 4 ms 532 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 432 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 14 ms 800 KB Output is correct
32 Correct 23 ms 1100 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 27 ms 1268 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 352 KB Output is correct
8 Correct 1 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 2 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 1 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 12 ms 1024 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 8 ms 852 KB Output is correct
24 Correct 20 ms 1056 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 4 ms 532 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 432 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 14 ms 800 KB Output is correct
32 Correct 23 ms 1100 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 27 ms 1268 KB Output is correct
37 Correct 50 ms 1300 KB Output is correct
38 Correct 51 ms 1380 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 184 ms 3004 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 138 ms 2576 KB Output is correct
43 Correct 34 ms 1100 KB Output is correct
44 Correct 35 ms 1120 KB Output is correct
45 Correct 35 ms 1176 KB Output is correct
46 Correct 182 ms 2740 KB Output is correct
47 Correct 144 ms 2576 KB Output is correct
48 Correct 10 ms 692 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 161 ms 2784 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 19 ms 900 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 352 KB Output is correct
8 Correct 1 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 2 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 1 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 12 ms 1024 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 8 ms 852 KB Output is correct
24 Correct 20 ms 1056 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 4 ms 532 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 432 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 14 ms 800 KB Output is correct
32 Correct 23 ms 1100 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 27 ms 1268 KB Output is correct
37 Correct 50 ms 1300 KB Output is correct
38 Correct 51 ms 1380 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 184 ms 3004 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 138 ms 2576 KB Output is correct
43 Correct 34 ms 1100 KB Output is correct
44 Correct 35 ms 1120 KB Output is correct
45 Correct 35 ms 1176 KB Output is correct
46 Correct 182 ms 2740 KB Output is correct
47 Correct 144 ms 2576 KB Output is correct
48 Correct 10 ms 692 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 161 ms 2784 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 19 ms 900 KB Output is correct
53 Correct 176 ms 2832 KB Output is correct
54 Correct 210 ms 2880 KB Output is correct
55 Correct 35 ms 1236 KB Output is correct
56 Correct 204 ms 3200 KB Output is correct
57 Correct 35 ms 1228 KB Output is correct
58 Correct 308 ms 3916 KB Output is correct
59 Correct 178 ms 2736 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 179 ms 2700 KB Output is correct
62 Correct 89 ms 1864 KB Output is correct
63 Correct 50 ms 1356 KB Output is correct
64 Correct 50 ms 1484 KB Output is correct
65 Correct 14 ms 468 KB Output is correct
66 Correct 56 ms 1028 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 352 KB Output is correct
8 Correct 1 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 2 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 1 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 12 ms 1024 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 8 ms 852 KB Output is correct
24 Correct 20 ms 1056 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 4 ms 532 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 432 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 14 ms 800 KB Output is correct
32 Correct 23 ms 1100 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 27 ms 1268 KB Output is correct
37 Correct 50 ms 1300 KB Output is correct
38 Correct 51 ms 1380 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 184 ms 3004 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 138 ms 2576 KB Output is correct
43 Correct 34 ms 1100 KB Output is correct
44 Correct 35 ms 1120 KB Output is correct
45 Correct 35 ms 1176 KB Output is correct
46 Correct 182 ms 2740 KB Output is correct
47 Correct 144 ms 2576 KB Output is correct
48 Correct 10 ms 692 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 161 ms 2784 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 19 ms 900 KB Output is correct
53 Correct 176 ms 2832 KB Output is correct
54 Correct 210 ms 2880 KB Output is correct
55 Correct 35 ms 1236 KB Output is correct
56 Correct 204 ms 3200 KB Output is correct
57 Correct 35 ms 1228 KB Output is correct
58 Correct 308 ms 3916 KB Output is correct
59 Correct 178 ms 2736 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 179 ms 2700 KB Output is correct
62 Correct 89 ms 1864 KB Output is correct
63 Correct 50 ms 1356 KB Output is correct
64 Correct 50 ms 1484 KB Output is correct
65 Correct 14 ms 468 KB Output is correct
66 Correct 56 ms 1028 KB Output is correct
67 Correct 407 ms 4880 KB Output is correct
68 Correct 587 ms 4996 KB Output is correct
69 Correct 85 ms 1968 KB Output is correct
70 Correct 639 ms 5764 KB Output is correct
71 Correct 646 ms 5648 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 0 ms 340 KB Output is correct
74 Correct 144 ms 2492 KB Output is correct
75 Correct 391 ms 3996 KB Output is correct
76 Correct 42 ms 1688 KB Output is correct
77 Correct 82 ms 2088 KB Output is correct