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author冯昶 <fengchang@novel-supertv.com>2022-12-21 09:57:58 +0800
committer冯昶 <fengchang@novel-supertv.com>2022-12-21 09:57:58 +0800
commitdd2a89a7880a924c4e3df167d71c34b4ed89a3fe (patch)
treeb208bd6dc97a7b4f025f62c78401dae7a796362c /challenge-195/deadmarshal/python
parent7de47c639d3bc4fef60d8df2128c14049f47b1fd (diff)
parentd05040719c41d928cb4663bac89448f14fd74268 (diff)
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Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'challenge-195/deadmarshal/python')
-rw-r--r--challenge-195/deadmarshal/python/ch1.py10
-rw-r--r--challenge-195/deadmarshal/python/ch2.py14
2 files changed, 24 insertions, 0 deletions
diff --git a/challenge-195/deadmarshal/python/ch1.py b/challenge-195/deadmarshal/python/ch1.py
new file mode 100644
index 0000000000..b48d310af1
--- /dev/null
+++ b/challenge-195/deadmarshal/python/ch1.py
@@ -0,0 +1,10 @@
+def special_integers(n):
+ count = 0
+ for i in range(1,n+1):
+ digits = [int(x) for x in str(i)]
+ if len(digits) == len(set(digits)): count += 1
+ return count
+
+print(special_integers(15))
+print(special_integers(35))
+
diff --git a/challenge-195/deadmarshal/python/ch2.py b/challenge-195/deadmarshal/python/ch2.py
new file mode 100644
index 0000000000..783f93555b
--- /dev/null
+++ b/challenge-195/deadmarshal/python/ch2.py
@@ -0,0 +1,14 @@
+from functools import reduce
+
+def most_frequent_even(arr):
+ if all(map(lambda n: n % 2 != 0, arr)): return -1
+ d = {}
+ for i in arr:
+ if i % 2 == 0: d[i] = d.get(i, 0) + 1
+ if len(d.values()) == len(set(d.values())): return min(d)
+ return reduce(lambda a,b:a if d[a] > d[b] else b, d.keys())
+
+print(most_frequent_even([1,1,2,6,2]))
+print(most_frequent_even([1,3,5,7]))
+print(most_frequent_even([6,4,4,6,1]))
+