oj.uz

Submission #670329

# Submission time Handle Problem Language Result Execution time Memory
670329 2022-12-08T17:09:36 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
 598 ms 4636 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 502, MX = 500*500 + 5;

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 < MX){
				if(c - req <= req) req = c - req;

				state1 = dp[i][req];
			}
			
			if(i > 0){

				req1 = (c >> 1) - x;

				if(req1 >= 0 && req1 < MX){

					if(c - req1 <= req1) req1 = c - req1;
					
					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 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 480 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 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 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 480 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 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 1 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 484 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 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 480 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 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 1 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 484 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 916 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 9 ms 888 KB Output is correct
24 Correct 20 ms 1068 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 2 ms 340 KB Output is correct
29 Correct 2 ms 356 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 13 ms 812 KB Output is correct
32 Correct 20 ms 1120 KB Output is correct
33 Correct 1 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 1208 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 480 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 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 1 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 484 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 916 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 9 ms 888 KB Output is correct
24 Correct 20 ms 1068 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 2 ms 340 KB Output is correct
29 Correct 2 ms 356 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 13 ms 812 KB Output is correct
32 Correct 20 ms 1120 KB Output is correct
33 Correct 1 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 1208 KB Output is correct
37 Correct 45 ms 1228 KB Output is correct
38 Correct 51 ms 1324 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 168 ms 2736 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 135 ms 2380 KB Output is correct
43 Correct 33 ms 1156 KB Output is correct
44 Correct 34 ms 1100 KB Output is correct
45 Correct 34 ms 1144 KB Output is correct
46 Correct 157 ms 2532 KB Output is correct
47 Correct 153 ms 2320 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 145 ms 2604 KB Output is correct
51 Correct 1 ms 356 KB Output is correct
52 Correct 19 ms 932 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 480 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 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 1 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 484 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 916 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 9 ms 888 KB Output is correct
24 Correct 20 ms 1068 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 2 ms 340 KB Output is correct
29 Correct 2 ms 356 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 13 ms 812 KB Output is correct
32 Correct 20 ms 1120 KB Output is correct
33 Correct 1 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 1208 KB Output is correct
37 Correct 45 ms 1228 KB Output is correct
38 Correct 51 ms 1324 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 168 ms 2736 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 135 ms 2380 KB Output is correct
43 Correct 33 ms 1156 KB Output is correct
44 Correct 34 ms 1100 KB Output is correct
45 Correct 34 ms 1144 KB Output is correct
46 Correct 157 ms 2532 KB Output is correct
47 Correct 153 ms 2320 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 145 ms 2604 KB Output is correct
51 Correct 1 ms 356 KB Output is correct
52 Correct 19 ms 932 KB Output is correct
53 Correct 165 ms 2588 KB Output is correct
54 Correct 208 ms 2724 KB Output is correct
55 Correct 29 ms 1100 KB Output is correct
56 Correct 208 ms 2996 KB Output is correct
57 Correct 60 ms 1176 KB Output is correct
58 Correct 312 ms 3700 KB Output is correct
59 Correct 169 ms 2492 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 204 ms 2724 KB Output is correct
62 Correct 89 ms 1772 KB Output is correct
63 Correct 57 ms 1388 KB Output is correct
64 Correct 48 ms 1320 KB Output is correct
65 Correct 16 ms 468 KB Output is correct
66 Correct 57 ms 988 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 480 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 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 1 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 484 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 916 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 9 ms 888 KB Output is correct
24 Correct 20 ms 1068 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 2 ms 340 KB Output is correct
29 Correct 2 ms 356 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 13 ms 812 KB Output is correct
32 Correct 20 ms 1120 KB Output is correct
33 Correct 1 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 1208 KB Output is correct
37 Correct 45 ms 1228 KB Output is correct
38 Correct 51 ms 1324 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 168 ms 2736 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 135 ms 2380 KB Output is correct
43 Correct 33 ms 1156 KB Output is correct
44 Correct 34 ms 1100 KB Output is correct
45 Correct 34 ms 1144 KB Output is correct
46 Correct 157 ms 2532 KB Output is correct
47 Correct 153 ms 2320 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 145 ms 2604 KB Output is correct
51 Correct 1 ms 356 KB Output is correct
52 Correct 19 ms 932 KB Output is correct
53 Correct 165 ms 2588 KB Output is correct
54 Correct 208 ms 2724 KB Output is correct
55 Correct 29 ms 1100 KB Output is correct
56 Correct 208 ms 2996 KB Output is correct
57 Correct 60 ms 1176 KB Output is correct
58 Correct 312 ms 3700 KB Output is correct
59 Correct 169 ms 2492 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 204 ms 2724 KB Output is correct
62 Correct 89 ms 1772 KB Output is correct
63 Correct 57 ms 1388 KB Output is correct
64 Correct 48 ms 1320 KB Output is correct
65 Correct 16 ms 468 KB Output is correct
66 Correct 57 ms 988 KB Output is correct
67 Correct 435 ms 4636 KB Output is correct
68 Correct 598 ms 4540 KB Output is correct
69 Incorrect 90 ms 1904 KB Output isn't correct
70 Halted 0 ms 0 KB -