oj.uz

Submission #670335

# Submission time Handle Problem Language Result Execution time Memory
670335 2022-12-08T17:12:53 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 7732 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 502, MX = 700*700 + 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 < MX){
				if(req > S/2) req = c - req;

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

				req1 = (c >> 1) - x;

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

					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 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 596 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 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 596 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 720 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 6 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 6 ms 652 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 3 ms 596 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 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 596 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 720 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 6 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 6 ms 652 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 3 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 22 ms 1492 KB Output is correct
22 Correct 27 ms 1584 KB Output is correct
23 Correct 14 ms 1308 KB Output is correct
24 Correct 38 ms 1696 KB Output is correct
25 Correct 7 ms 596 KB Output is correct
26 Correct 7 ms 596 KB Output is correct
27 Correct 7 ms 620 KB Output is correct
28 Correct 4 ms 520 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 26 ms 1228 KB Output is correct
32 Correct 41 ms 1776 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 416 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 47 ms 1972 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 596 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 720 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 6 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 6 ms 652 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 3 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 22 ms 1492 KB Output is correct
22 Correct 27 ms 1584 KB Output is correct
23 Correct 14 ms 1308 KB Output is correct
24 Correct 38 ms 1696 KB Output is correct
25 Correct 7 ms 596 KB Output is correct
26 Correct 7 ms 596 KB Output is correct
27 Correct 7 ms 620 KB Output is correct
28 Correct 4 ms 520 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 26 ms 1228 KB Output is correct
32 Correct 41 ms 1776 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 416 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 47 ms 1972 KB Output is correct
37 Correct 97 ms 1996 KB Output is correct
38 Correct 99 ms 2132 KB Output is correct
39 Correct 8 ms 340 KB Output is correct
40 Correct 348 ms 4804 KB Output is correct
41 Correct 6 ms 340 KB Output is correct
42 Correct 264 ms 4136 KB Output is correct
43 Correct 69 ms 1652 KB Output is correct
44 Correct 65 ms 1544 KB Output is correct
45 Correct 65 ms 1488 KB Output is correct
46 Correct 338 ms 4592 KB Output is correct
47 Correct 261 ms 3972 KB Output is correct
48 Correct 18 ms 832 KB Output is correct
49 Correct 10 ms 468 KB Output is correct
50 Correct 303 ms 4516 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 34 ms 1080 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 596 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 720 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 6 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 6 ms 652 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 3 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 22 ms 1492 KB Output is correct
22 Correct 27 ms 1584 KB Output is correct
23 Correct 14 ms 1308 KB Output is correct
24 Correct 38 ms 1696 KB Output is correct
25 Correct 7 ms 596 KB Output is correct
26 Correct 7 ms 596 KB Output is correct
27 Correct 7 ms 620 KB Output is correct
28 Correct 4 ms 520 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 26 ms 1228 KB Output is correct
32 Correct 41 ms 1776 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 416 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 47 ms 1972 KB Output is correct
37 Correct 97 ms 1996 KB Output is correct
38 Correct 99 ms 2132 KB Output is correct
39 Correct 8 ms 340 KB Output is correct
40 Correct 348 ms 4804 KB Output is correct
41 Correct 6 ms 340 KB Output is correct
42 Correct 264 ms 4136 KB Output is correct
43 Correct 69 ms 1652 KB Output is correct
44 Correct 65 ms 1544 KB Output is correct
45 Correct 65 ms 1488 KB Output is correct
46 Correct 338 ms 4592 KB Output is correct
47 Correct 261 ms 3972 KB Output is correct
48 Correct 18 ms 832 KB Output is correct
49 Correct 10 ms 468 KB Output is correct
50 Correct 303 ms 4516 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 34 ms 1080 KB Output is correct
53 Correct 323 ms 4284 KB Output is correct
54 Correct 402 ms 4556 KB Output is correct
55 Correct 57 ms 1356 KB Output is correct
56 Correct 400 ms 4968 KB Output is correct
57 Correct 65 ms 1484 KB Output is correct
58 Correct 604 ms 6268 KB Output is correct
59 Correct 353 ms 3892 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 359 ms 4000 KB Output is correct
62 Correct 172 ms 2508 KB Output is correct
63 Correct 98 ms 1872 KB Output is correct
64 Correct 94 ms 1812 KB Output is correct
65 Correct 27 ms 636 KB Output is correct
66 Correct 112 ms 1520 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 596 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 720 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 6 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 6 ms 652 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 3 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 22 ms 1492 KB Output is correct
22 Correct 27 ms 1584 KB Output is correct
23 Correct 14 ms 1308 KB Output is correct
24 Correct 38 ms 1696 KB Output is correct
25 Correct 7 ms 596 KB Output is correct
26 Correct 7 ms 596 KB Output is correct
27 Correct 7 ms 620 KB Output is correct
28 Correct 4 ms 520 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 26 ms 1228 KB Output is correct
32 Correct 41 ms 1776 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 416 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 47 ms 1972 KB Output is correct
37 Correct 97 ms 1996 KB Output is correct
38 Correct 99 ms 2132 KB Output is correct
39 Correct 8 ms 340 KB Output is correct
40 Correct 348 ms 4804 KB Output is correct
41 Correct 6 ms 340 KB Output is correct
42 Correct 264 ms 4136 KB Output is correct
43 Correct 69 ms 1652 KB Output is correct
44 Correct 65 ms 1544 KB Output is correct
45 Correct 65 ms 1488 KB Output is correct
46 Correct 338 ms 4592 KB Output is correct
47 Correct 261 ms 3972 KB Output is correct
48 Correct 18 ms 832 KB Output is correct
49 Correct 10 ms 468 KB Output is correct
50 Correct 303 ms 4516 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 34 ms 1080 KB Output is correct
53 Correct 323 ms 4284 KB Output is correct
54 Correct 402 ms 4556 KB Output is correct
55 Correct 57 ms 1356 KB Output is correct
56 Correct 400 ms 4968 KB Output is correct
57 Correct 65 ms 1484 KB Output is correct
58 Correct 604 ms 6268 KB Output is correct
59 Correct 353 ms 3892 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 359 ms 4000 KB Output is correct
62 Correct 172 ms 2508 KB Output is correct
63 Correct 98 ms 1872 KB Output is correct
64 Correct 94 ms 1812 KB Output is correct
65 Correct 27 ms 636 KB Output is correct
66 Correct 112 ms 1520 KB Output is correct
67 Correct 884 ms 7732 KB Output is correct
68 Execution timed out 1090 ms 7348 KB Time limit exceeded
69 Halted 0 ms 0 KB -