CSES - Datatähti 2018 alku - Results
Submission details
Task:Merkkijono
Sender:luxask
Submission time:2017-10-06 21:43:59 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
Test results
testverdicttime
#1ACCEPTED0.04 sdetails
#20.05 sdetails
#3ACCEPTED0.04 sdetails
#40.04 sdetails
#50.05 sdetails
#60.06 sdetails
#7ACCEPTED0.05 sdetails
#8ACCEPTED0.04 sdetails
#9ACCEPTED0.04 sdetails
#10ACCEPTED0.05 sdetails

Compiler report

input/code.cpp: In function 'std::string foo(std::string)':
input/code.cpp:12:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < str.size(); ++i)
                                  ^

Code

#include <iostream>
#include <vector>
#include <math.h>
#include <string>
#include <map>

using namespace std;

string foo(string str) {
    //map<int, bool> deleted;
    int streak = 1;
    for (int i = 0; i < str.size(); ++i)
    {
        //cout << "i: " << i << '\n';
        if (str[i] != str[i+1] && streak > 1) {
            str.erase(i-streak+1, streak);
            streak = 1;
            i-=3;
            //cout << "erase: " << str << '\n';
        } else if (str[i] == str[i+1]) {
            streak++;
        }
    }
    return str;
}

int main() {
    string str;
    cin >> str;
    cout << foo(str) << '\n';
    return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
ABABABABABABABABABABABABABABAB...

correct output
ABABABABABABABABABABABABABABAB...

user output
ABABABABABABABABABABABABABABAB...

Test 2

Verdict:

input
AABBAABBAABBAABBAABBAABBAABBAA...

correct output
(empty)

user output
BBAABBAABBAABBAABBAABBAABBAABB...

Test 3

Verdict: ACCEPTED

input
ABABABABABABABABABABABABABABAB...

correct output
(empty)

user output
(empty)

Test 4

Verdict:

input
BBABABBBBBAABBBABABABBBBAAABAB...

correct output
BAB

user output
ABABBBBBAABBBABABABBBBAAABABAA...

Test 5

Verdict:

input
ACDCBBACDBBBACAACBBDBADBAABABA...

correct output
ACDCACDADBADABACACDCADADABABCA...

user output
ACDCACDADBADABACACDCADADABABCA...

Test 6

Verdict:

input
EETFHIJOGACDHMGVFJCMETMZDEITTR...

correct output
TFHIJOGACDHMGVFJCMETMZDEIROTET...

user output
TFHIJOGACDHMGVFJCMETMZDEITTROT...

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...