n = int(input())
a = list(map(int,input().split()))
def rec(b,i):
if i==len(a):
c.append(abs(sum(a)-2*sum(b)))
return
b.append(a[i])
rec(b,i+1)
b.pop()
rec(b,i+1)
c = []
for i in range(n):
rec([],0)
if min(c) != 0:
print(0)
else:
c = []
g = []
for i in range(n):
d = a[i]
a.pop(i)
rec([],0)
a.insert(i,d)
c.sort()
g.append(set(c))
c = []
c = g[0]
for i in g:
c = c.intersection(i)
c = list(c)
c.sort()
print(len(c))
for i in c:
print(i,end=" ")
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
2908 KB |
Output is correct |
2 |
Correct |
11 ms |
2908 KB |
Output is correct |
3 |
Correct |
11 ms |
2908 KB |
Output is correct |
4 |
Correct |
11 ms |
2908 KB |
Output is correct |
5 |
Correct |
71 ms |
4124 KB |
Output is correct |
6 |
Correct |
12 ms |
2908 KB |
Output is correct |
7 |
Correct |
13 ms |
2908 KB |
Output is correct |
8 |
Correct |
74 ms |
4440 KB |
Output is correct |
9 |
Correct |
22 ms |
3164 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
2908 KB |
Output is correct |
2 |
Correct |
11 ms |
2908 KB |
Output is correct |
3 |
Correct |
11 ms |
2908 KB |
Output is correct |
4 |
Correct |
11 ms |
2908 KB |
Output is correct |
5 |
Correct |
71 ms |
4124 KB |
Output is correct |
6 |
Correct |
12 ms |
2908 KB |
Output is correct |
7 |
Correct |
13 ms |
2908 KB |
Output is correct |
8 |
Correct |
74 ms |
4440 KB |
Output is correct |
9 |
Correct |
22 ms |
3164 KB |
Output is correct |
10 |
Execution timed out |
1016 ms |
18828 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
2908 KB |
Output is correct |
2 |
Correct |
11 ms |
2908 KB |
Output is correct |
3 |
Correct |
11 ms |
2908 KB |
Output is correct |
4 |
Correct |
11 ms |
2908 KB |
Output is correct |
5 |
Correct |
71 ms |
4124 KB |
Output is correct |
6 |
Correct |
12 ms |
2908 KB |
Output is correct |
7 |
Correct |
13 ms |
2908 KB |
Output is correct |
8 |
Correct |
74 ms |
4440 KB |
Output is correct |
9 |
Correct |
22 ms |
3164 KB |
Output is correct |
10 |
Execution timed out |
1016 ms |
18828 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
2908 KB |
Output is correct |
2 |
Correct |
11 ms |
2908 KB |
Output is correct |
3 |
Correct |
11 ms |
2908 KB |
Output is correct |
4 |
Correct |
11 ms |
2908 KB |
Output is correct |
5 |
Correct |
71 ms |
4124 KB |
Output is correct |
6 |
Correct |
12 ms |
2908 KB |
Output is correct |
7 |
Correct |
13 ms |
2908 KB |
Output is correct |
8 |
Correct |
74 ms |
4440 KB |
Output is correct |
9 |
Correct |
22 ms |
3164 KB |
Output is correct |
10 |
Execution timed out |
1016 ms |
18828 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
2908 KB |
Output is correct |
2 |
Correct |
11 ms |
2908 KB |
Output is correct |
3 |
Correct |
11 ms |
2908 KB |
Output is correct |
4 |
Correct |
11 ms |
2908 KB |
Output is correct |
5 |
Correct |
71 ms |
4124 KB |
Output is correct |
6 |
Correct |
12 ms |
2908 KB |
Output is correct |
7 |
Correct |
13 ms |
2908 KB |
Output is correct |
8 |
Correct |
74 ms |
4440 KB |
Output is correct |
9 |
Correct |
22 ms |
3164 KB |
Output is correct |
10 |
Execution timed out |
1016 ms |
18828 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
2908 KB |
Output is correct |
2 |
Correct |
11 ms |
2908 KB |
Output is correct |
3 |
Correct |
11 ms |
2908 KB |
Output is correct |
4 |
Correct |
11 ms |
2908 KB |
Output is correct |
5 |
Correct |
71 ms |
4124 KB |
Output is correct |
6 |
Correct |
12 ms |
2908 KB |
Output is correct |
7 |
Correct |
13 ms |
2908 KB |
Output is correct |
8 |
Correct |
74 ms |
4440 KB |
Output is correct |
9 |
Correct |
22 ms |
3164 KB |
Output is correct |
10 |
Execution timed out |
1016 ms |
18828 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |