Maximum difference between adjacent elements of list: Difference between revisions
Maximum difference between adjacent elements of list (view source)
Revision as of 16:52, 18 July 2021
, 2 years ago→{{header|Python}}: Added a version in Python
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max difference is 7, occurring at s[1..2]={1,8}, s[13..14]={2,9}, s[16..17]={10,3}
</pre>
=={{header|Python}}==
<lang python>'''Maximum difference between adjacent numbers in list'''
# maxDeltas [Float] -> [(Float, (Float, Float))]
def maxDeltas(ns):
'''Each of the maximally differing successive pairs
in ns, preceded by the value of the difference.
'''
pairs = [
(abs(a - b), (a, b)) for a, b
in zip(ns, ns[1:])
]
delta = max(pairs, key=lambda ab: ab[0])[0]
return [
ab for ab in pairs
if delta == ab[0]
]
# ------------------------- TEST -------------------------
# main :: IO ()
def main():
'''Each of the maximally differing pairs in a list'''
maxPairs = maxDeltas([
1, 8, 2, -3, 0, 1, 1, -2.3, 0,
5.5, 8, 6, 2, 9, 11, 10, 3
])
for ab in maxPairs:
print(ab)
# MAIN ---
if __name__ == '__main__':
main()</lang>
{{Out}}
<pre>(7, (1, 8))
(7, (2, 9))
(7, (10, 3))</pre>
=={{header|Ring}}==
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