oj.uz

Submission #670343

# Submission time Handle Problem Language Result Execution time Memory
670343 2022-12-08T17:18:41 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
 931 ms 5444 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 510, MX = 550*550 + 10;

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

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

				req1 = (c >> 1) - x;

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

					if(req1 > S/2) 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 368 KB Output is correct
3 Correct 1 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 468 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 368 KB Output is correct
3 Correct 1 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 468 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 596 KB Output is correct
13 Correct 0 ms 464 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 3 ms 544 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 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 368 KB Output is correct
3 Correct 1 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 468 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 596 KB Output is correct
13 Correct 0 ms 464 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 3 ms 544 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 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 13 ms 1108 KB Output is correct
22 Correct 16 ms 1108 KB Output is correct
23 Correct 9 ms 852 KB Output is correct
24 Correct 23 ms 1200 KB Output is correct
25 Correct 5 ms 468 KB Output is correct
26 Correct 5 ms 436 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 16 ms 892 KB Output is correct
32 Correct 25 ms 1228 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 28 ms 1308 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 368 KB Output is correct
3 Correct 1 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 468 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 596 KB Output is correct
13 Correct 0 ms 464 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 3 ms 544 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 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 13 ms 1108 KB Output is correct
22 Correct 16 ms 1108 KB Output is correct
23 Correct 9 ms 852 KB Output is correct
24 Correct 23 ms 1200 KB Output is correct
25 Correct 5 ms 468 KB Output is correct
26 Correct 5 ms 436 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 16 ms 892 KB Output is correct
32 Correct 25 ms 1228 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 28 ms 1308 KB Output is correct
37 Correct 55 ms 1480 KB Output is correct
38 Correct 58 ms 1544 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 212 ms 3292 KB Output is correct
41 Correct 4 ms 340 KB Output is correct
42 Correct 157 ms 2812 KB Output is correct
43 Correct 40 ms 1256 KB Output is correct
44 Correct 40 ms 1252 KB Output is correct
45 Correct 40 ms 1228 KB Output is correct
46 Correct 198 ms 3024 KB Output is correct
47 Correct 156 ms 2772 KB Output is correct
48 Correct 11 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 178 ms 3104 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 22 ms 1000 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 368 KB Output is correct
3 Correct 1 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 468 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 596 KB Output is correct
13 Correct 0 ms 464 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 3 ms 544 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 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 13 ms 1108 KB Output is correct
22 Correct 16 ms 1108 KB Output is correct
23 Correct 9 ms 852 KB Output is correct
24 Correct 23 ms 1200 KB Output is correct
25 Correct 5 ms 468 KB Output is correct
26 Correct 5 ms 436 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 16 ms 892 KB Output is correct
32 Correct 25 ms 1228 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 28 ms 1308 KB Output is correct
37 Correct 55 ms 1480 KB Output is correct
38 Correct 58 ms 1544 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 212 ms 3292 KB Output is correct
41 Correct 4 ms 340 KB Output is correct
42 Correct 157 ms 2812 KB Output is correct
43 Correct 40 ms 1256 KB Output is correct
44 Correct 40 ms 1252 KB Output is correct
45 Correct 40 ms 1228 KB Output is correct
46 Correct 198 ms 3024 KB Output is correct
47 Correct 156 ms 2772 KB Output is correct
48 Correct 11 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 178 ms 3104 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 22 ms 1000 KB Output is correct
53 Correct 199 ms 3088 KB Output is correct
54 Correct 240 ms 3076 KB Output is correct
55 Correct 33 ms 1152 KB Output is correct
56 Correct 234 ms 3296 KB Output is correct
57 Correct 40 ms 1316 KB Output is correct
58 Correct 353 ms 4272 KB Output is correct
59 Correct 204 ms 2780 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 211 ms 2852 KB Output is correct
62 Correct 108 ms 1992 KB Output is correct
63 Correct 59 ms 1392 KB Output is correct
64 Correct 59 ms 1428 KB Output is correct
65 Correct 17 ms 468 KB Output is correct
66 Correct 63 ms 1096 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 368 KB Output is correct
3 Correct 1 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 468 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 596 KB Output is correct
13 Correct 0 ms 464 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 3 ms 544 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 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 13 ms 1108 KB Output is correct
22 Correct 16 ms 1108 KB Output is correct
23 Correct 9 ms 852 KB Output is correct
24 Correct 23 ms 1200 KB Output is correct
25 Correct 5 ms 468 KB Output is correct
26 Correct 5 ms 436 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 16 ms 892 KB Output is correct
32 Correct 25 ms 1228 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 28 ms 1308 KB Output is correct
37 Correct 55 ms 1480 KB Output is correct
38 Correct 58 ms 1544 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 212 ms 3292 KB Output is correct
41 Correct 4 ms 340 KB Output is correct
42 Correct 157 ms 2812 KB Output is correct
43 Correct 40 ms 1256 KB Output is correct
44 Correct 40 ms 1252 KB Output is correct
45 Correct 40 ms 1228 KB Output is correct
46 Correct 198 ms 3024 KB Output is correct
47 Correct 156 ms 2772 KB Output is correct
48 Correct 11 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 178 ms 3104 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 22 ms 1000 KB Output is correct
53 Correct 199 ms 3088 KB Output is correct
54 Correct 240 ms 3076 KB Output is correct
55 Correct 33 ms 1152 KB Output is correct
56 Correct 234 ms 3296 KB Output is correct
57 Correct 40 ms 1316 KB Output is correct
58 Correct 353 ms 4272 KB Output is correct
59 Correct 204 ms 2780 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 211 ms 2852 KB Output is correct
62 Correct 108 ms 1992 KB Output is correct
63 Correct 59 ms 1392 KB Output is correct
64 Correct 59 ms 1428 KB Output is correct
65 Correct 17 ms 468 KB Output is correct
66 Correct 63 ms 1096 KB Output is correct
67 Correct 468 ms 5328 KB Output is correct
68 Correct 931 ms 5444 KB Output is correct
69 Incorrect 100 ms 1992 KB Output isn't correct
70 Halted 0 ms 0 KB -