CSES - Datatähti 2018 peili - Results
Submission details
Task:Merkkijono
Sender:JAHugawa
Submission time:2017-10-10 16:13:24 +0300
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED100
Test results
testverdicttime
#1ACCEPTED0.05 sdetails
#2ACCEPTED0.05 sdetails
#3ACCEPTED0.05 sdetails
#4ACCEPTED0.06 sdetails
#5ACCEPTED0.06 sdetails
#6ACCEPTED0.06 sdetails
#7ACCEPTED0.05 sdetails
#8ACCEPTED0.05 sdetails
#9ACCEPTED0.05 sdetails
#10ACCEPTED0.04 sdetails

Code

#include <iostream>
#include <list>
#include <string>
using namespace std;
int main() {
string s;
getline(cin,s);
list<char> l(s.c_str(), s.c_str()+s.length());
auto first = l.begin();
char firstc = ' ';
bool atLeastTwo = false;
for (auto it=l.begin();;) {
if (*it == firstc) {
atLeastTwo = true;
} else {
if (atLeastTwo) {
l.erase(first, it);
auto newIt = it;
--newIt;
first = it;
atLeastTwo = false;
while(it != l.begin()) {
firstc=*it;
if (*it != *newIt) {
++newIt;
break;
}
atLeastTwo=true;
first = newIt;
if (newIt == l.begin()) {
break;
}
--newIt;
}
} else {
first = it;
atLeastTwo = false;
}
firstc = *first;
}
++it;
if (it==l.end()) {
if (atLeastTwo) {
l.erase(first, it);
}
break;
}
}
for (auto it=l.begin(); it != l.end(); ++it) {
cout << *it;
}
}

Test details

Test 1

Verdict: ACCEPTED

input
ABABABABABABABABABABABABABABAB...

correct output
ABABABABABABABABABABABABABABAB...

user output
ABABABABABABABABABABABABABABAB...

Test 2

Verdict: ACCEPTED

input
AABBAABBAABBAABBAABBAABBAABBAA...

correct output
(empty)

user output
(empty)

Test 3

Verdict: ACCEPTED

input
ABABABABABABABABABABABABABABAB...

correct output
(empty)

user output
(empty)

Test 4

Verdict: ACCEPTED

input
BBABABBBBBAABBBABABABBBBAAABAB...

correct output
BAB

user output
BAB

Test 5

Verdict: ACCEPTED

input
ACDCBBACDBBBACAACBBDBADBAABABA...

correct output
ACDCACDADBADABACACDCADADABABCA...

user output
ACDCACDADBADABACACDCADADABABCA...

Test 6

Verdict: ACCEPTED

input
EETFHIJOGACDHMGVFJCMETMZDEITTR...

correct output
TFHIJOGACDHMGVFJCMETMZDEIROTET...

user output
TFHIJOGACDHMGVFJCMETMZDEIROTET...

Test 7

Verdict: ACCEPTED

input
GOONLAHLYPRFCZKIKSJWAWWYJJPCDB...

correct output
GNLAHLYPRFCZKIKSJWAYPCDNWYMRCE...

user output
GNLAHLYPRFCZKIKSJWAYPCDNWYMRCE...

Test 8

Verdict: ACCEPTED

input
PISHWMOTCDDZFRMYMOMYDYYGJZIQHS...

correct output
PISHWMOTCZFRMYMOMYDGJZIQHSVAOK...

user output
PISHWMOTCZFRMYMOMYDGJZIQHSVAOK...

Test 9

Verdict: ACCEPTED

input
QUVVTPXAMWWODFXRONJODPGBTCISGM...

correct output
QUTPXAMODFXRONJODPGBTCISGMVRBW...

user output
QUTPXAMODFXRONJODPGBTCISGMVRBW...

Test 10

Verdict: ACCEPTED

input
POXHAHYEZTLYNFSLABODMRNKDSKROZ...

correct output
POXHAHYEZTLYNFSLABODMRNKDSKROZ...

user output
POXHAHYEZTLYNFSLABODMRNKDSKROZ...