oj.uz

Submission #670158

# Submission time Handle Problem Language Result Execution time Memory
670158 2022-12-08T08:01:03 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
 474 ms 4704 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 502, MX = 500*500/2 + 5;

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> 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 < 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 464 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 2 ms 340 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 464 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 2 ms 340 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 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 512 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 464 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 2 ms 340 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 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 512 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 10 ms 964 KB Output is correct
22 Correct 12 ms 980 KB Output is correct
23 Correct 7 ms 852 KB Output is correct
24 Correct 17 ms 1016 KB Output is correct
25 Correct 5 ms 412 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 384 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 11 ms 724 KB Output is correct
32 Correct 19 ms 1080 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 21 ms 1236 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 464 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 2 ms 340 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 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 512 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 10 ms 964 KB Output is correct
22 Correct 12 ms 980 KB Output is correct
23 Correct 7 ms 852 KB Output is correct
24 Correct 17 ms 1016 KB Output is correct
25 Correct 5 ms 412 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 384 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 11 ms 724 KB Output is correct
32 Correct 19 ms 1080 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 21 ms 1236 KB Output is correct
37 Correct 42 ms 1316 KB Output is correct
38 Correct 43 ms 1392 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 155 ms 2808 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 115 ms 2364 KB Output is correct
43 Correct 29 ms 1072 KB Output is correct
44 Correct 30 ms 1112 KB Output is correct
45 Correct 30 ms 1140 KB Output is correct
46 Correct 148 ms 2544 KB Output is correct
47 Correct 122 ms 2316 KB Output is correct
48 Correct 10 ms 724 KB Output is correct
49 Correct 5 ms 468 KB Output is correct
50 Correct 129 ms 2588 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 16 ms 980 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 464 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 2 ms 340 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 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 512 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 10 ms 964 KB Output is correct
22 Correct 12 ms 980 KB Output is correct
23 Correct 7 ms 852 KB Output is correct
24 Correct 17 ms 1016 KB Output is correct
25 Correct 5 ms 412 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 384 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 11 ms 724 KB Output is correct
32 Correct 19 ms 1080 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 21 ms 1236 KB Output is correct
37 Correct 42 ms 1316 KB Output is correct
38 Correct 43 ms 1392 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 155 ms 2808 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 115 ms 2364 KB Output is correct
43 Correct 29 ms 1072 KB Output is correct
44 Correct 30 ms 1112 KB Output is correct
45 Correct 30 ms 1140 KB Output is correct
46 Correct 148 ms 2544 KB Output is correct
47 Correct 122 ms 2316 KB Output is correct
48 Correct 10 ms 724 KB Output is correct
49 Correct 5 ms 468 KB Output is correct
50 Correct 129 ms 2588 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 16 ms 980 KB Output is correct
53 Correct 149 ms 2620 KB Output is correct
54 Correct 176 ms 2804 KB Output is correct
55 Correct 25 ms 1228 KB Output is correct
56 Correct 170 ms 2984 KB Output is correct
57 Correct 32 ms 1376 KB Output is correct
58 Correct 261 ms 3756 KB Output is correct
59 Correct 145 ms 2540 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 154 ms 2584 KB Output is correct
62 Correct 78 ms 1740 KB Output is correct
63 Correct 45 ms 1384 KB Output is correct
64 Correct 40 ms 1356 KB Output is correct
65 Correct 12 ms 468 KB Output is correct
66 Correct 45 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 464 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 2 ms 340 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 0 ms 340 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 512 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 10 ms 964 KB Output is correct
22 Correct 12 ms 980 KB Output is correct
23 Correct 7 ms 852 KB Output is correct
24 Correct 17 ms 1016 KB Output is correct
25 Correct 5 ms 412 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 384 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 11 ms 724 KB Output is correct
32 Correct 19 ms 1080 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 21 ms 1236 KB Output is correct
37 Correct 42 ms 1316 KB Output is correct
38 Correct 43 ms 1392 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 155 ms 2808 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 115 ms 2364 KB Output is correct
43 Correct 29 ms 1072 KB Output is correct
44 Correct 30 ms 1112 KB Output is correct
45 Correct 30 ms 1140 KB Output is correct
46 Correct 148 ms 2544 KB Output is correct
47 Correct 122 ms 2316 KB Output is correct
48 Correct 10 ms 724 KB Output is correct
49 Correct 5 ms 468 KB Output is correct
50 Correct 129 ms 2588 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 16 ms 980 KB Output is correct
53 Correct 149 ms 2620 KB Output is correct
54 Correct 176 ms 2804 KB Output is correct
55 Correct 25 ms 1228 KB Output is correct
56 Correct 170 ms 2984 KB Output is correct
57 Correct 32 ms 1376 KB Output is correct
58 Correct 261 ms 3756 KB Output is correct
59 Correct 145 ms 2540 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 154 ms 2584 KB Output is correct
62 Correct 78 ms 1740 KB Output is correct
63 Correct 45 ms 1384 KB Output is correct
64 Correct 40 ms 1356 KB Output is correct
65 Correct 12 ms 468 KB Output is correct
66 Correct 45 ms 988 KB Output is correct
67 Correct 341 ms 4704 KB Output is correct
68 Correct 474 ms 4504 KB Output is correct
69 Incorrect 61 ms 1484 KB Output isn't correct
70 Halted 0 ms 0 KB -