| Task: | Palindromi |
| Sender: | rottis |
| Submission time: | 2025-10-27 00:01:43 +0200 |
| Language: | Ruby |
| Status: | READY |
| Result: | 0 |
| group | verdict | score |
|---|---|---|
| #1 | WRONG ANSWER | 0 |
| test | verdict | time | |
|---|---|---|---|
| #1 | ACCEPTED | 0.07 s | details |
| #2 | WRONG ANSWER | 0.07 s | details |
| #3 | ACCEPTED | 0.07 s | details |
| #4 | ACCEPTED | 0.07 s | details |
| #5 | ACCEPTED | 0.07 s | details |
| #6 | WRONG ANSWER | 0.07 s | details |
| #7 | WRONG ANSWER | 0.07 s | details |
| #8 | WRONG ANSWER | 0.07 s | details |
| #9 | WRONG ANSWER | 0.07 s | details |
| #10 | WRONG ANSWER | 0.08 s | details |
Code
string = gets.chomp
total = 0
(0...((string.length - 1) / 2)).each do |idx|
if string[idx] != string[string.length - idx]
total += 1
end
end
puts total
Test details
Test 1 (public)
Verdict: ACCEPTED
| input |
|---|
| datatahti |
| correct output |
|---|
| 3 |
| user output |
|---|
| 3 |
Test 2 (public)
Verdict: WRONG ANSWER
| input |
|---|
| saippuakauppias |
| correct output |
|---|
| 0 |
| user output |
|---|
| 6 |
Feedback: Incorrect character on line 1 col 1: expected "0", got "6"
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: WRONG ANSWER
| input |
|---|
| aybabtu |
| correct output |
|---|
| 2 |
| user output |
|---|
| 3 |
Feedback: Incorrect character on line 1 col 1: expected "2", got "3"
Test 7 (public)
Verdict: WRONG ANSWER
| input |
|---|
| abacabaca |
| correct output |
|---|
| 2 |
| user output |
|---|
| 4 |
Feedback: Incorrect character on line 1 col 1: expected "2", got "4"
Test 8 (public)
Verdict: WRONG ANSWER
| input |
|---|
| bbbbaaaababbbbbaabaaabaaaaabab... |
| correct output |
|---|
| 23 |
| user output |
|---|
| 21 |
Feedback: Incorrect character on line 1 col 2: expected "23", got "21"
Test 9 (public)
Verdict: WRONG ANSWER
| input |
|---|
| acbaaabaabaddaccdcccbcdbdddacd... |
| correct output |
|---|
| 38 |
| user output |
|---|
| 33 |
Feedback: Incorrect character on line 1 col 2: expected "38", got "33"
Test 10 (public)
Verdict: WRONG ANSWER
| input |
|---|
| uaqtmfftecryanvpshxsodjrllqnqp... |
| correct output |
|---|
| 49 |
| user output |
|---|
| 47 |
Feedback: Incorrect character on line 1 col 2: expected "49", got "47"