Submission details
Task:Palindromi
Sender:rendes
Submission time:2025-10-30 11:01:41 +0200
Language:C++ (C++20)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED100
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
#5ACCEPTED0.00 sdetails
#6ACCEPTED0.00 sdetails
#7ACCEPTED0.00 sdetails
#8ACCEPTED0.00 sdetails
#9ACCEPTED0.00 sdetails
#10ACCEPTED0.00 sdetails

Code

#include <iostream>
#include <string>

std::string get_string() {
  std::string line;
  std::getline(std::cin, line);
  return line;
}

int getpsteps(std::string in) { // 9
  int count = 0;
  int len = in.length();

  if (len % 2 != 0) {
    len /= 2; // int int division will floor

    in.erase(in.begin() + (len));
  } else
    len /= 2;
  for (int i = 0; i < len; i++) {
    if (in[i] != in[len * 2 - i - 1]) { // indeed indeed
      count++;
    }
  }

  return count;
}

int main() {
  std::string in;
  in = get_string();
  std::cout << getpsteps(in) << "\n";
}

Test details

Test 1 (public)

Verdict: ACCEPTED

input
datatahti

correct output
3

user output
3

Test 2 (public)

Verdict: ACCEPTED

input
saippuakauppias

correct output
0

user output
0

Test 3 (public)

Verdict: ACCEPTED

input
a

correct output
0

user output
0

Test 4 (public)

Verdict: ACCEPTED

input
aa

correct output
0

user output
0

Test 5 (public)

Verdict: ACCEPTED

input
abc

correct output
1

user output
1

Test 6 (public)

Verdict: ACCEPTED

input
aybabtu

correct output
2

user output
2

Test 7 (public)

Verdict: ACCEPTED

input
abacabaca

correct output
2

user output
2

Test 8 (public)

Verdict: ACCEPTED

input
bbbbaaaababbbbbaabaaabaaaaabab...

correct output
23

user output
23

Test 9 (public)

Verdict: ACCEPTED

input
acbaaabaabaddaccdcccbcdbdddacd...

correct output
38

user output
38

Test 10 (public)

Verdict: ACCEPTED

input
uaqtmfftecryanvpshxsodjrllqnqp...

correct output
49

user output
49