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HIIT Open 2018

Start:2018-05-26 11:00:00
End:2018-05-26 16:00:00
 

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CSES - HIIT Open 2018 - Results
History
2018-05-26 11:19:46
Task:Inversions
Sender:TreamDeam
Submission time:2018-05-26 11:19:46
Language:Python3
Status:READY
Result:ACCEPTED

Test results

testverdicttime (s)
#1ACCEPTED0.37 / 1.00details
#2ACCEPTED0.34 / 1.00details
#3ACCEPTED0.36 / 1.00details
#4ACCEPTED0.32 / 1.00details
#5ACCEPTED0.33 / 1.00details

Code

n = input().rstrip()
a, b = 0, 0
for i, el in enumerate(n):
 if i % 2 == 0:
  if el == '0':
   b += 1
  else:
   a += 1
 else:
  if el == '0':
   a += 1
  else:
   b += 1

print(min(a,b))

Test details

Test 1

Verdict: ACCEPTED

input
000000000000000000000000000000...
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correct output
500000
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user output
500000
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Test 2

Verdict: ACCEPTED

input
111111111111111111111111111111...
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correct output
500000
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user output
500000
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Test 3

Verdict: ACCEPTED

input
010101010101010101010101010101...
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correct output
0
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user output
0
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Test 4

Verdict: ACCEPTED

input
101010101010101010101010101010...
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correct output
0
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user output
0
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Test 5

Verdict: ACCEPTED

input
110101011010110100100111110110...
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correct output
499476
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user output
499476
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