oj.uz

Submission #670340

# Submission time Handle Problem Language Result Execution time Memory
670340 2022-12-08T17:16:19 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
 533 ms 4692 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 502, MX = 500*500 + 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 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 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 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 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 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 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 1 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 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 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 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 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 1 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 980 KB Output is correct
22 Correct 14 ms 972 KB Output is correct
23 Correct 7 ms 852 KB Output is correct
24 Correct 18 ms 996 KB Output is correct
25 Correct 5 ms 444 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 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 12 ms 848 KB Output is correct
32 Correct 21 ms 1100 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 1136 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 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 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 1 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 980 KB Output is correct
22 Correct 14 ms 972 KB Output is correct
23 Correct 7 ms 852 KB Output is correct
24 Correct 18 ms 996 KB Output is correct
25 Correct 5 ms 444 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 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 12 ms 848 KB Output is correct
32 Correct 21 ms 1100 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 1136 KB Output is correct
37 Correct 46 ms 1248 KB Output is correct
38 Correct 51 ms 1332 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 169 ms 2748 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 126 ms 2408 KB Output is correct
43 Correct 33 ms 1108 KB Output is correct
44 Correct 34 ms 1084 KB Output is correct
45 Correct 37 ms 1164 KB Output is correct
46 Correct 164 ms 2612 KB Output is correct
47 Correct 126 ms 2380 KB Output is correct
48 Correct 9 ms 744 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 144 ms 2616 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 20 ms 852 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 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 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 1 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 980 KB Output is correct
22 Correct 14 ms 972 KB Output is correct
23 Correct 7 ms 852 KB Output is correct
24 Correct 18 ms 996 KB Output is correct
25 Correct 5 ms 444 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 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 12 ms 848 KB Output is correct
32 Correct 21 ms 1100 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 1136 KB Output is correct
37 Correct 46 ms 1248 KB Output is correct
38 Correct 51 ms 1332 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 169 ms 2748 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 126 ms 2408 KB Output is correct
43 Correct 33 ms 1108 KB Output is correct
44 Correct 34 ms 1084 KB Output is correct
45 Correct 37 ms 1164 KB Output is correct
46 Correct 164 ms 2612 KB Output is correct
47 Correct 126 ms 2380 KB Output is correct
48 Correct 9 ms 744 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 144 ms 2616 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 20 ms 852 KB Output is correct
53 Correct 164 ms 2568 KB Output is correct
54 Correct 196 ms 2748 KB Output is correct
55 Correct 28 ms 1108 KB Output is correct
56 Correct 196 ms 2884 KB Output is correct
57 Correct 35 ms 1168 KB Output is correct
58 Correct 283 ms 3676 KB Output is correct
59 Correct 163 ms 2456 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 170 ms 2620 KB Output is correct
62 Correct 87 ms 1784 KB Output is correct
63 Correct 47 ms 1356 KB Output is correct
64 Correct 47 ms 1356 KB Output is correct
65 Correct 13 ms 468 KB Output is correct
66 Correct 52 ms 1020 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 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 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 1 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 11 ms 980 KB Output is correct
22 Correct 14 ms 972 KB Output is correct
23 Correct 7 ms 852 KB Output is correct
24 Correct 18 ms 996 KB Output is correct
25 Correct 5 ms 444 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 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 12 ms 848 KB Output is correct
32 Correct 21 ms 1100 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 1136 KB Output is correct
37 Correct 46 ms 1248 KB Output is correct
38 Correct 51 ms 1332 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 169 ms 2748 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 126 ms 2408 KB Output is correct
43 Correct 33 ms 1108 KB Output is correct
44 Correct 34 ms 1084 KB Output is correct
45 Correct 37 ms 1164 KB Output is correct
46 Correct 164 ms 2612 KB Output is correct
47 Correct 126 ms 2380 KB Output is correct
48 Correct 9 ms 744 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 144 ms 2616 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 20 ms 852 KB Output is correct
53 Correct 164 ms 2568 KB Output is correct
54 Correct 196 ms 2748 KB Output is correct
55 Correct 28 ms 1108 KB Output is correct
56 Correct 196 ms 2884 KB Output is correct
57 Correct 35 ms 1168 KB Output is correct
58 Correct 283 ms 3676 KB Output is correct
59 Correct 163 ms 2456 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 170 ms 2620 KB Output is correct
62 Correct 87 ms 1784 KB Output is correct
63 Correct 47 ms 1356 KB Output is correct
64 Correct 47 ms 1356 KB Output is correct
65 Correct 13 ms 468 KB Output is correct
66 Correct 52 ms 1020 KB Output is correct
67 Correct 385 ms 4692 KB Output is correct
68 Correct 533 ms 4568 KB Output is correct
69 Incorrect 81 ms 1928 KB Output isn't correct
70 Halted 0 ms 0 KB -