oj.uz

Submission #670348

# Submission time Handle Problem Language Result Execution time Memory
670348 2022-12-08T17:29:48 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
 610 ms 4940 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 510, MX = 520*520;

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 > c/2) req = c - req;

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

				req1 = (c >> 1) - x;

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

					if(req1 > c/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 1 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 468 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 1 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 468 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 468 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 0 ms 340 KB Output is correct
2 Correct 1 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 468 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 468 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 12 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 8 ms 852 KB Output is correct
24 Correct 22 ms 1132 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 460 KB Output is correct
27 Correct 4 ms 468 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 14 ms 808 KB Output is correct
32 Correct 24 ms 1108 KB Output is correct
33 Correct 1 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 26 ms 1204 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 1 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 468 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 468 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 12 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 8 ms 852 KB Output is correct
24 Correct 22 ms 1132 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 460 KB Output is correct
27 Correct 4 ms 468 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 14 ms 808 KB Output is correct
32 Correct 24 ms 1108 KB Output is correct
33 Correct 1 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 26 ms 1204 KB Output is correct
37 Correct 50 ms 1352 KB Output is correct
38 Correct 57 ms 1344 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 194 ms 2988 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 144 ms 2612 KB Output is correct
43 Correct 38 ms 1152 KB Output is correct
44 Correct 38 ms 1184 KB Output is correct
45 Correct 41 ms 1132 KB Output is correct
46 Correct 184 ms 2772 KB Output is correct
47 Correct 146 ms 2464 KB Output is correct
48 Correct 10 ms 724 KB Output is correct
49 Correct 6 ms 396 KB Output is correct
50 Correct 165 ms 2748 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 21 ms 948 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 1 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 468 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 468 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 12 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 8 ms 852 KB Output is correct
24 Correct 22 ms 1132 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 460 KB Output is correct
27 Correct 4 ms 468 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 14 ms 808 KB Output is correct
32 Correct 24 ms 1108 KB Output is correct
33 Correct 1 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 26 ms 1204 KB Output is correct
37 Correct 50 ms 1352 KB Output is correct
38 Correct 57 ms 1344 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 194 ms 2988 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 144 ms 2612 KB Output is correct
43 Correct 38 ms 1152 KB Output is correct
44 Correct 38 ms 1184 KB Output is correct
45 Correct 41 ms 1132 KB Output is correct
46 Correct 184 ms 2772 KB Output is correct
47 Correct 146 ms 2464 KB Output is correct
48 Correct 10 ms 724 KB Output is correct
49 Correct 6 ms 396 KB Output is correct
50 Correct 165 ms 2748 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 21 ms 948 KB Output is correct
53 Correct 183 ms 2708 KB Output is correct
54 Correct 241 ms 2880 KB Output is correct
55 Correct 33 ms 1228 KB Output is correct
56 Correct 226 ms 3144 KB Output is correct
57 Correct 39 ms 1228 KB Output is correct
58 Correct 332 ms 3916 KB Output is correct
59 Correct 192 ms 2700 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 191 ms 2728 KB Output is correct
62 Correct 96 ms 1872 KB Output is correct
63 Correct 54 ms 1444 KB Output is correct
64 Correct 54 ms 1416 KB Output is correct
65 Correct 15 ms 468 KB Output is correct
66 Correct 58 ms 1092 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 1 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 468 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 468 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 12 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 8 ms 852 KB Output is correct
24 Correct 22 ms 1132 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 460 KB Output is correct
27 Correct 4 ms 468 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 14 ms 808 KB Output is correct
32 Correct 24 ms 1108 KB Output is correct
33 Correct 1 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 26 ms 1204 KB Output is correct
37 Correct 50 ms 1352 KB Output is correct
38 Correct 57 ms 1344 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 194 ms 2988 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 144 ms 2612 KB Output is correct
43 Correct 38 ms 1152 KB Output is correct
44 Correct 38 ms 1184 KB Output is correct
45 Correct 41 ms 1132 KB Output is correct
46 Correct 184 ms 2772 KB Output is correct
47 Correct 146 ms 2464 KB Output is correct
48 Correct 10 ms 724 KB Output is correct
49 Correct 6 ms 396 KB Output is correct
50 Correct 165 ms 2748 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 21 ms 948 KB Output is correct
53 Correct 183 ms 2708 KB Output is correct
54 Correct 241 ms 2880 KB Output is correct
55 Correct 33 ms 1228 KB Output is correct
56 Correct 226 ms 3144 KB Output is correct
57 Correct 39 ms 1228 KB Output is correct
58 Correct 332 ms 3916 KB Output is correct
59 Correct 192 ms 2700 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 191 ms 2728 KB Output is correct
62 Correct 96 ms 1872 KB Output is correct
63 Correct 54 ms 1444 KB Output is correct
64 Correct 54 ms 1416 KB Output is correct
65 Correct 15 ms 468 KB Output is correct
66 Correct 58 ms 1092 KB Output is correct
67 Correct 440 ms 4940 KB Output is correct
68 Correct 610 ms 4896 KB Output is correct
69 Incorrect 91 ms 1964 KB Output isn't correct
70 Halted 0 ms 0 KB -