blob: cdc2d772f6e6021e3501605d152e0f382a2fa06b (
plain)
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
28
29
30
31
32
33
34
35
36
37
38
39
|
#!/usr/bin/env python3
import string
import sys
def main(s):
# Create letter to number mapping
letter_map = {}
for k, v in enumerate(string.ascii_lowercase):
letter_map[v] = k
occurrences = {}
for word in s:
# Calculate the differences between characters, and store this
# as a space separated string
diff = ' '.join([
str(letter_map[word[i]] - letter_map[word[i-1]])
for i in range(1, len(word))
])
# Add the word to the occurrences dict
if diff not in occurrences:
occurrences[diff] = []
occurrences[diff].append(word)
# Find the unique words
unique_words = [v[0] for v in occurrences.values() if len(v) == 1]
if len(unique_words) > 1:
print('More than one unique string!')
elif len(unique_words) == 0:
print('No unique strings!')
else:
print(unique_words[0])
if __name__ == '__main__':
main(sys.argv[1:])
|
