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Datatähti 2018 alku

Start:2017-10-02 00:00:00
End:2017-10-16 00:00:00
 

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CSES - Datatähti 2018 alku - Results
History
2017-10-02 09:02:13100
Task:Merkkijono
Sender:ollpu
Submission time:2017-10-02 09:02:13
Language:Ruby
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED

Test results

testverdicttime (s)
#1ACCEPTED0.06 / 1.00details
#2ACCEPTED0.05 / 1.00details
#3ACCEPTED0.04 / 1.00details
#4ACCEPTED0.06 / 1.00details
#5ACCEPTED0.06 / 1.00details
#6ACCEPTED0.04 / 1.00details
#7ACCEPTED0.06 / 1.00details
#8ACCEPTED0.07 / 1.00details
#9ACCEPTED0.05 / 1.00details
#10ACCEPTED0.04 / 1.00details

Code

str = ARGF.readline.strip
a = []
f = false
str.each_char do |c|
  if a.last == c
    f = true
  else
    a.pop if f
    if a.last != c
      f = false
      a.push c
    end
  end
end
a.pop if f
puts a.join

Test details

Test 1

Verdict: ACCEPTED

input
ABABABABABABABABABABABABABABAB...
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correct output
ABABABABABABABABABABABABABABAB...
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user output
ABABABABABABABABABABABABABABAB...
view   save

Test 2

Verdict: ACCEPTED

input
AABBAABBAABBAABBAABBAABBAABBAA...
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correct output
(no output)
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user output
(no output)
view   save

Test 3

Verdict: ACCEPTED

input
ABABABABABABABABABABABABABABAB...
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correct output
(no output)
view   save

user output
(no output)
view   save

Test 4

Verdict: ACCEPTED

input
BBABABBBBBAABBBABABABBBBAAABAB...
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correct output
BAB
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user output
BAB
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Test 5

Verdict: ACCEPTED

input
ACDCBBACDBBBACAACBBDBADBAABABA...
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correct output
ACDCACDADBADABACACDCADADABABCA...
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user output
ACDCACDADBADABACACDCADADABABCA...
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Test 6

Verdict: ACCEPTED

input
EETFHIJOGACDHMGVFJCMETMZDEITTR...
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correct output
TFHIJOGACDHMGVFJCMETMZDEIROTET...
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user output
TFHIJOGACDHMGVFJCMETMZDEIROTET...
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Test 7

Verdict: ACCEPTED

input
GOONLAHLYPRFCZKIKSJWAWWYJJPCDB...
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correct output
GNLAHLYPRFCZKIKSJWAYPCDNWYMRCE...
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user output
GNLAHLYPRFCZKIKSJWAYPCDNWYMRCE...
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Test 8

Verdict: ACCEPTED

input
PISHWMOTCDDZFRMYMOMYDYYGJZIQHS...
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correct output
PISHWMOTCZFRMYMOMYDGJZIQHSVAOK...
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user output
PISHWMOTCZFRMYMOMYDGJZIQHSVAOK...
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Test 9

Verdict: ACCEPTED

input
QUVVTPXAMWWODFXRONJODPGBTCISGM...
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correct output
QUTPXAMODFXRONJODPGBTCISGMVRBW...
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user output
QUTPXAMODFXRONJODPGBTCISGMVRBW...
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Test 10

Verdict: ACCEPTED

input
POXHAHYEZTLYNFSLABODMRNKDSKROZ...
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correct output
POXHAHYEZTLYNFSLABODMRNKDSKROZ...
view   save

user output
POXHAHYEZTLYNFSLABODMRNKDSKROZ...
view   save