1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
arrInts = [10, 4, 20, 1, 3, 2] ## Example 1
## arrInts = [0, 6, 1, 8, 5, 2, 4, 3, 0, 7] ## Example 2
## arrInts = [10, 30, 20] ## Example 3
arrInts = sorted(arrInts)
## print (arrInts)
arrOutput = []
arrSubOutput = [arrInts[0]]
for nIndxLoop in range(1, len(arrInts)):
if arrInts[nIndxLoop] - arrInts[nIndxLoop - 1] != 1:
arrOutput.append(arrSubOutput)
arrSubOutput = []
arrSubOutput.append(arrInts[nIndxLoop])
arrOutput.append(arrSubOutput)
## print (arrOutput)
nMaxLen = max([len(arrLoop) for arrLoop in arrOutput])
print (-1 if nMaxLen == 1 else nMaxLen)
|
