Submission #1070531
Source Code Expand
from collections import Counter n = input() a = [int(x) for x in raw_input().split()] a.sort() c = 0 if n&1: if a[0] == 0: del a[0] d = Counter(a) for i in d.keys(): if i == 0: print 0 exit(1) if i&1: print 0 exit(1) if not(i&1): if d[i] == 2: c += 1 if d[i] != 2: print 0 exit(1) if c == (n-1)//2: print (1 << c)%(10**9+7) if not(n&1): d = Counter(a) for i in d.keys(): if i&1: if d[i] == 2: c +=1 if d[i] != 2: print 0 exit(1) if not(i&1): print 0 exit(1) if c == n//2: print (1 << c)%(10**9+7)
Submission Info
Submission Time | |
---|---|
Task | C - Lining Up |
User | shubh |
Language | Python (2.7.6) |
Score | 0 |
Code Size | 901 Byte |
Status | RE |
Exec Time | 152 ms |
Memory | 11504 KB |
Judge Result
Set Name | Sample | All | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 300 | ||||||||
Status |
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|
Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | subtask_1_invalid_01.txt, subtask_1_invalid_02.txt, subtask_1_max_01.txt, subtask_1_max_02.txt, subtask_1_max_valid_01.txt, subtask_1_max_valid_02.txt, subtask_1_min_valid_01.txt, subtask_1_rand_01.txt, subtask_1_rand_02.txt, subtask_1_valid_01.txt, subtask_1_valid_02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 18 ms | 2804 KB |
sample_02.txt | RE | 19 ms | 2804 KB |
sample_03.txt | AC | 18 ms | 2804 KB |
subtask_1_invalid_01.txt | RE | 109 ms | 10184 KB |
subtask_1_invalid_02.txt | RE | 37 ms | 4760 KB |
subtask_1_max_01.txt | RE | 134 ms | 11504 KB |
subtask_1_max_02.txt | RE | 126 ms | 11504 KB |
subtask_1_max_valid_01.txt | AC | 152 ms | 11504 KB |
subtask_1_max_valid_02.txt | AC | 150 ms | 11504 KB |
subtask_1_min_valid_01.txt | AC | 19 ms | 2804 KB |
subtask_1_rand_01.txt | RE | 89 ms | 9084 KB |
subtask_1_rand_02.txt | RE | 127 ms | 11036 KB |
subtask_1_valid_01.txt | AC | 92 ms | 8908 KB |
subtask_1_valid_02.txt | AC | 45 ms | 4980 KB |