#include <bits/stdc++.h>
using namespace std;
#define fs first
#define ss second
#define endl '\n'
#define all(a) a.begin(), a.end()
#define print(a) \
for(auto x : a) \
cout << x << ' '; \
cout << endl;
#define printmp(a) \
for (auto x : a) \
cout << x.fs << ' ' << x.ss << endl;
void solve(){
int n, s = 0;
cin >> n;
vector<int> a(n);
bool juft = true, toq = true;
for(int i = 0; i < n; i ++)
cin >> a[i], s += a[i], juft &= (a[i] % 2 == 0), toq &= (a[i] % 2 == 1);
if(s % 2 == 1 or juft == toq){
cout << 0;
return;
}
vector<bitset<500>> dp(s + 1);
vector<bool> can(s + 1);
can[0] = true;
int s1 = 0;
for (int i = 0; i < n; i++)
{
s1 += a[i];
for (int j = s1; j >= a[i]; j--)
{
if (can[j - a[i]])
{
if (!can[j])
{
dp[j] = dp[j - a[i]];
dp[j][i] = 1;
}
else
dp[j] = dp[j] & dp[j - a[i]];
can[j] = true;
}
}
}
if(!can[s / 2]){
cout << 0;
return;
}
vector<int> ans;
for(int x = 0; x <= s; x ++){
bool flag = (s - a[0] + x) % 2 == 0;
for(int j = 0; j < n; j ++){
if(can[(s - a[j] + x) / 2] and !dp[(s - a[j] + x) / 2][j])
continue;
else{
flag = 0;
break;
}
}
if(flag)
ans.push_back(x);
}
cout << ans.size() << endl;
print(ans)
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t = 1;
// cin >> t;
while(t --){
solve();
cout << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
616 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
616 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
2 ms |
600 KB |
Output is correct |
22 |
Correct |
2 ms |
604 KB |
Output is correct |
23 |
Correct |
1 ms |
604 KB |
Output is correct |
24 |
Correct |
4 ms |
604 KB |
Output is correct |
25 |
Correct |
5 ms |
860 KB |
Output is correct |
26 |
Correct |
5 ms |
968 KB |
Output is correct |
27 |
Correct |
4 ms |
968 KB |
Output is correct |
28 |
Correct |
3 ms |
860 KB |
Output is correct |
29 |
Correct |
3 ms |
860 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
7 ms |
860 KB |
Output is correct |
32 |
Correct |
5 ms |
708 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
1 ms |
856 KB |
Output is correct |
35 |
Correct |
3 ms |
1084 KB |
Output is correct |
36 |
Correct |
4 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
616 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
2 ms |
600 KB |
Output is correct |
22 |
Correct |
2 ms |
604 KB |
Output is correct |
23 |
Correct |
1 ms |
604 KB |
Output is correct |
24 |
Correct |
4 ms |
604 KB |
Output is correct |
25 |
Correct |
5 ms |
860 KB |
Output is correct |
26 |
Correct |
5 ms |
968 KB |
Output is correct |
27 |
Correct |
4 ms |
968 KB |
Output is correct |
28 |
Correct |
3 ms |
860 KB |
Output is correct |
29 |
Correct |
3 ms |
860 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
7 ms |
860 KB |
Output is correct |
32 |
Correct |
5 ms |
708 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
1 ms |
856 KB |
Output is correct |
35 |
Correct |
3 ms |
1084 KB |
Output is correct |
36 |
Correct |
4 ms |
604 KB |
Output is correct |
37 |
Correct |
31 ms |
1628 KB |
Output is correct |
38 |
Correct |
32 ms |
1764 KB |
Output is correct |
39 |
Correct |
9 ms |
4184 KB |
Output is correct |
40 |
Correct |
70 ms |
2644 KB |
Output is correct |
41 |
Correct |
11 ms |
4956 KB |
Output is correct |
42 |
Correct |
59 ms |
2348 KB |
Output is correct |
43 |
Correct |
105 ms |
4176 KB |
Output is correct |
44 |
Correct |
103 ms |
4236 KB |
Output is correct |
45 |
Correct |
107 ms |
4248 KB |
Output is correct |
46 |
Correct |
26 ms |
2396 KB |
Output is correct |
47 |
Correct |
68 ms |
2484 KB |
Output is correct |
48 |
Correct |
77 ms |
4560 KB |
Output is correct |
49 |
Correct |
38 ms |
4188 KB |
Output is correct |
50 |
Correct |
67 ms |
2520 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
122 ms |
5096 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
616 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
2 ms |
600 KB |
Output is correct |
22 |
Correct |
2 ms |
604 KB |
Output is correct |
23 |
Correct |
1 ms |
604 KB |
Output is correct |
24 |
Correct |
4 ms |
604 KB |
Output is correct |
25 |
Correct |
5 ms |
860 KB |
Output is correct |
26 |
Correct |
5 ms |
968 KB |
Output is correct |
27 |
Correct |
4 ms |
968 KB |
Output is correct |
28 |
Correct |
3 ms |
860 KB |
Output is correct |
29 |
Correct |
3 ms |
860 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
7 ms |
860 KB |
Output is correct |
32 |
Correct |
5 ms |
708 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
1 ms |
856 KB |
Output is correct |
35 |
Correct |
3 ms |
1084 KB |
Output is correct |
36 |
Correct |
4 ms |
604 KB |
Output is correct |
37 |
Correct |
31 ms |
1628 KB |
Output is correct |
38 |
Correct |
32 ms |
1764 KB |
Output is correct |
39 |
Correct |
9 ms |
4184 KB |
Output is correct |
40 |
Correct |
70 ms |
2644 KB |
Output is correct |
41 |
Correct |
11 ms |
4956 KB |
Output is correct |
42 |
Correct |
59 ms |
2348 KB |
Output is correct |
43 |
Correct |
105 ms |
4176 KB |
Output is correct |
44 |
Correct |
103 ms |
4236 KB |
Output is correct |
45 |
Correct |
107 ms |
4248 KB |
Output is correct |
46 |
Correct |
26 ms |
2396 KB |
Output is correct |
47 |
Correct |
68 ms |
2484 KB |
Output is correct |
48 |
Correct |
77 ms |
4560 KB |
Output is correct |
49 |
Correct |
38 ms |
4188 KB |
Output is correct |
50 |
Correct |
67 ms |
2520 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
122 ms |
5096 KB |
Output is correct |
53 |
Correct |
113 ms |
3412 KB |
Output is correct |
54 |
Correct |
152 ms |
4184 KB |
Output is correct |
55 |
Correct |
263 ms |
7796 KB |
Output is correct |
56 |
Correct |
140 ms |
4176 KB |
Output is correct |
57 |
Correct |
284 ms |
8184 KB |
Output is correct |
58 |
Correct |
169 ms |
4532 KB |
Output is correct |
59 |
Correct |
214 ms |
5600 KB |
Output is correct |
60 |
Correct |
1 ms |
344 KB |
Output is correct |
61 |
Correct |
235 ms |
6240 KB |
Output is correct |
62 |
Correct |
236 ms |
7036 KB |
Output is correct |
63 |
Correct |
243 ms |
7632 KB |
Output is correct |
64 |
Correct |
234 ms |
7376 KB |
Output is correct |
65 |
Correct |
14 ms |
3420 KB |
Output is correct |
66 |
Correct |
33 ms |
3792 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
616 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
2 ms |
600 KB |
Output is correct |
22 |
Correct |
2 ms |
604 KB |
Output is correct |
23 |
Correct |
1 ms |
604 KB |
Output is correct |
24 |
Correct |
4 ms |
604 KB |
Output is correct |
25 |
Correct |
5 ms |
860 KB |
Output is correct |
26 |
Correct |
5 ms |
968 KB |
Output is correct |
27 |
Correct |
4 ms |
968 KB |
Output is correct |
28 |
Correct |
3 ms |
860 KB |
Output is correct |
29 |
Correct |
3 ms |
860 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
7 ms |
860 KB |
Output is correct |
32 |
Correct |
5 ms |
708 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
1 ms |
856 KB |
Output is correct |
35 |
Correct |
3 ms |
1084 KB |
Output is correct |
36 |
Correct |
4 ms |
604 KB |
Output is correct |
37 |
Correct |
31 ms |
1628 KB |
Output is correct |
38 |
Correct |
32 ms |
1764 KB |
Output is correct |
39 |
Correct |
9 ms |
4184 KB |
Output is correct |
40 |
Correct |
70 ms |
2644 KB |
Output is correct |
41 |
Correct |
11 ms |
4956 KB |
Output is correct |
42 |
Correct |
59 ms |
2348 KB |
Output is correct |
43 |
Correct |
105 ms |
4176 KB |
Output is correct |
44 |
Correct |
103 ms |
4236 KB |
Output is correct |
45 |
Correct |
107 ms |
4248 KB |
Output is correct |
46 |
Correct |
26 ms |
2396 KB |
Output is correct |
47 |
Correct |
68 ms |
2484 KB |
Output is correct |
48 |
Correct |
77 ms |
4560 KB |
Output is correct |
49 |
Correct |
38 ms |
4188 KB |
Output is correct |
50 |
Correct |
67 ms |
2520 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
122 ms |
5096 KB |
Output is correct |
53 |
Correct |
113 ms |
3412 KB |
Output is correct |
54 |
Correct |
152 ms |
4184 KB |
Output is correct |
55 |
Correct |
263 ms |
7796 KB |
Output is correct |
56 |
Correct |
140 ms |
4176 KB |
Output is correct |
57 |
Correct |
284 ms |
8184 KB |
Output is correct |
58 |
Correct |
169 ms |
4532 KB |
Output is correct |
59 |
Correct |
214 ms |
5600 KB |
Output is correct |
60 |
Correct |
1 ms |
344 KB |
Output is correct |
61 |
Correct |
235 ms |
6240 KB |
Output is correct |
62 |
Correct |
236 ms |
7036 KB |
Output is correct |
63 |
Correct |
243 ms |
7632 KB |
Output is correct |
64 |
Correct |
234 ms |
7376 KB |
Output is correct |
65 |
Correct |
14 ms |
3420 KB |
Output is correct |
66 |
Correct |
33 ms |
3792 KB |
Output is correct |
67 |
Correct |
197 ms |
5848 KB |
Output is correct |
68 |
Correct |
183 ms |
8028 KB |
Output is correct |
69 |
Correct |
780 ms |
14904 KB |
Output is correct |
70 |
Correct |
515 ms |
9116 KB |
Output is correct |
71 |
Correct |
503 ms |
8856 KB |
Output is correct |
72 |
Correct |
0 ms |
348 KB |
Output is correct |
73 |
Correct |
0 ms |
348 KB |
Output is correct |
74 |
Correct |
859 ms |
15652 KB |
Output is correct |
75 |
Correct |
678 ms |
12240 KB |
Output is correct |
76 |
Correct |
784 ms |
16948 KB |
Output is correct |
77 |
Correct |
877 ms |
16724 KB |
Output is correct |