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add_top_1_dp #405

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b7dc658
add_top_1_dp
holisound Sep 15, 2018
4232ecd
add top_1_v2 & testcase
holisound Sep 15, 2018
100ff33
Merge branch 'master' into add_top_1_dp
holisound Oct 11, 2018
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15 changes: 14 additions & 1 deletion algorithms/arrays/top_1.py
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Original file line number Diff line number Diff line change
Expand Up @@ -34,4 +34,17 @@ def top_1(arr):
continue

return result


def top_1_v2(arr):
# Once Iteration
ans = []
mostcount = 0
count = {}
for x in arr:
count[x] = count.get(x, 0) + 1
if count[x] > mostcount:
ans = [x]
mostcount = count[x]
elif count[x] == mostcount:
ans.append(x)
return ans
7 changes: 7 additions & 0 deletions tests/test_array.py
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Expand Up @@ -15,6 +15,7 @@
max_ones_index,
trimmean,
top_1,
top_1_v2,
limit,
n_sum
)
Expand Down Expand Up @@ -338,6 +339,12 @@ def test_top_1(self):
self.assertListEqual(top_1([1 , 1, 2, 2, 3]), [1, 2])
self.assertListEqual(top_1([1, 2, 3, 324, 234, 23, 23, 1, 23, 23]), [23])

class TestTop1V2(unittest.TestCase):

def test_top_1_v2(self):
self.assertListEqual(top_1_v2([1 , 1, 2, 2, 3]), [1, 2])
self.assertListEqual(top_1_v2([1, 2, 3, 324, 234, 23, 23, 1, 23, 23]), [23])


class TestLimit(unittest.TestCase):

Expand Down