oj.uz

Submission #670166

# Submission time Handle Problem Language Result Execution time Memory
670166 2022-12-08T08:17:01 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 8516 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> 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 468 KB Output is correct
2 Correct 2 ms 596 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 2 ms 724 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 2 ms 596 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 4 ms 724 KB Output is correct
12 Correct 4 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 636 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 3 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 644 KB Output is correct
20 Correct 2 ms 384 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 2 ms 596 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 4 ms 724 KB Output is correct
12 Correct 4 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 636 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 3 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 644 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 21 ms 1492 KB Output is correct
22 Correct 28 ms 1620 KB Output is correct
23 Correct 14 ms 1236 KB Output is correct
24 Correct 38 ms 1696 KB Output is correct
25 Correct 7 ms 640 KB Output is correct
26 Correct 7 ms 596 KB Output is correct
27 Correct 7 ms 628 KB Output is correct
28 Correct 5 ms 468 KB Output is correct
29 Correct 5 ms 468 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 24 ms 1140 KB Output is correct
32 Correct 40 ms 1732 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 380 KB Output is correct
35 Correct 5 ms 468 KB Output is correct
36 Correct 45 ms 2040 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 2 ms 596 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 4 ms 724 KB Output is correct
12 Correct 4 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 636 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 3 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 644 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 21 ms 1492 KB Output is correct
22 Correct 28 ms 1620 KB Output is correct
23 Correct 14 ms 1236 KB Output is correct
24 Correct 38 ms 1696 KB Output is correct
25 Correct 7 ms 640 KB Output is correct
26 Correct 7 ms 596 KB Output is correct
27 Correct 7 ms 628 KB Output is correct
28 Correct 5 ms 468 KB Output is correct
29 Correct 5 ms 468 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 24 ms 1140 KB Output is correct
32 Correct 40 ms 1732 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 380 KB Output is correct
35 Correct 5 ms 468 KB Output is correct
36 Correct 45 ms 2040 KB Output is correct
37 Correct 86 ms 2096 KB Output is correct
38 Correct 91 ms 2208 KB Output is correct
39 Correct 5 ms 340 KB Output is correct
40 Correct 325 ms 4936 KB Output is correct
41 Correct 6 ms 340 KB Output is correct
42 Correct 241 ms 4152 KB Output is correct
43 Correct 58 ms 1580 KB Output is correct
44 Correct 59 ms 1488 KB Output is correct
45 Correct 60 ms 1592 KB Output is correct
46 Correct 310 ms 4704 KB Output is correct
47 Correct 242 ms 4048 KB Output is correct
48 Correct 16 ms 860 KB Output is correct
49 Correct 10 ms 564 KB Output is correct
50 Correct 270 ms 4644 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 32 ms 1096 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 2 ms 596 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 4 ms 724 KB Output is correct
12 Correct 4 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 636 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 3 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 644 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 21 ms 1492 KB Output is correct
22 Correct 28 ms 1620 KB Output is correct
23 Correct 14 ms 1236 KB Output is correct
24 Correct 38 ms 1696 KB Output is correct
25 Correct 7 ms 640 KB Output is correct
26 Correct 7 ms 596 KB Output is correct
27 Correct 7 ms 628 KB Output is correct
28 Correct 5 ms 468 KB Output is correct
29 Correct 5 ms 468 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 24 ms 1140 KB Output is correct
32 Correct 40 ms 1732 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 380 KB Output is correct
35 Correct 5 ms 468 KB Output is correct
36 Correct 45 ms 2040 KB Output is correct
37 Correct 86 ms 2096 KB Output is correct
38 Correct 91 ms 2208 KB Output is correct
39 Correct 5 ms 340 KB Output is correct
40 Correct 325 ms 4936 KB Output is correct
41 Correct 6 ms 340 KB Output is correct
42 Correct 241 ms 4152 KB Output is correct
43 Correct 58 ms 1580 KB Output is correct
44 Correct 59 ms 1488 KB Output is correct
45 Correct 60 ms 1592 KB Output is correct
46 Correct 310 ms 4704 KB Output is correct
47 Correct 242 ms 4048 KB Output is correct
48 Correct 16 ms 860 KB Output is correct
49 Correct 10 ms 564 KB Output is correct
50 Correct 270 ms 4644 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 32 ms 1096 KB Output is correct
53 Correct 303 ms 4512 KB Output is correct
54 Correct 368 ms 4556 KB Output is correct
55 Correct 48 ms 1356 KB Output is correct
56 Correct 353 ms 5124 KB Output is correct
57 Correct 57 ms 1500 KB Output is correct
58 Correct 549 ms 6476 KB Output is correct
59 Correct 300 ms 4044 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 307 ms 4152 KB Output is correct
62 Correct 151 ms 2632 KB Output is correct
63 Correct 84 ms 1864 KB Output is correct
64 Correct 80 ms 1728 KB Output is correct
65 Correct 25 ms 588 KB Output is correct
66 Correct 96 ms 1528 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 2 ms 596 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 516 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 4 ms 724 KB Output is correct
12 Correct 4 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 636 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 3 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 644 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 21 ms 1492 KB Output is correct
22 Correct 28 ms 1620 KB Output is correct
23 Correct 14 ms 1236 KB Output is correct
24 Correct 38 ms 1696 KB Output is correct
25 Correct 7 ms 640 KB Output is correct
26 Correct 7 ms 596 KB Output is correct
27 Correct 7 ms 628 KB Output is correct
28 Correct 5 ms 468 KB Output is correct
29 Correct 5 ms 468 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 24 ms 1140 KB Output is correct
32 Correct 40 ms 1732 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 380 KB Output is correct
35 Correct 5 ms 468 KB Output is correct
36 Correct 45 ms 2040 KB Output is correct
37 Correct 86 ms 2096 KB Output is correct
38 Correct 91 ms 2208 KB Output is correct
39 Correct 5 ms 340 KB Output is correct
40 Correct 325 ms 4936 KB Output is correct
41 Correct 6 ms 340 KB Output is correct
42 Correct 241 ms 4152 KB Output is correct
43 Correct 58 ms 1580 KB Output is correct
44 Correct 59 ms 1488 KB Output is correct
45 Correct 60 ms 1592 KB Output is correct
46 Correct 310 ms 4704 KB Output is correct
47 Correct 242 ms 4048 KB Output is correct
48 Correct 16 ms 860 KB Output is correct
49 Correct 10 ms 564 KB Output is correct
50 Correct 270 ms 4644 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 32 ms 1096 KB Output is correct
53 Correct 303 ms 4512 KB Output is correct
54 Correct 368 ms 4556 KB Output is correct
55 Correct 48 ms 1356 KB Output is correct
56 Correct 353 ms 5124 KB Output is correct
57 Correct 57 ms 1500 KB Output is correct
58 Correct 549 ms 6476 KB Output is correct
59 Correct 300 ms 4044 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 307 ms 4152 KB Output is correct
62 Correct 151 ms 2632 KB Output is correct
63 Correct 84 ms 1864 KB Output is correct
64 Correct 80 ms 1728 KB Output is correct
65 Correct 25 ms 588 KB Output is correct
66 Correct 96 ms 1528 KB Output is correct
67 Correct 724 ms 7908 KB Output is correct
68 Execution timed out 1054 ms 8516 KB Time limit exceeded
69 Halted 0 ms 0 KB -