Submission #14079384

Source Code Expand

# -*- coding: utf-8 -*-
"""
B - Palindrome-philia
https://atcoder.jp/contests/abc147/tasks/abc147_b

"""
import sys


def solve(S):
    l, r = 0, len(S) - 1
    ans = 0
    while l < r:
        ans += (S[l] != S[r])
        l += 1
        r -= 1
    return ans


def main(args):
    S = input()
    ans = solve(S)
    print(ans)


if __name__ == '__main__':
    main(sys.argv[1:])

Submission Info

Submission Time
Task B - Palindrome-philia
User kichi
Language Python (3.4.3)
Score 200
Code Size 408 Byte
Status AC
Exec Time 17 ms
Memory 3064 KiB

Judge Result

Set Name Sample Subtask1
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 23
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
Subtask1 sample_01.txt, sample_02.txt, sample_03.txt, sub1_01.txt, sub1_02.txt, sub1_03.txt, sub1_04.txt, sub1_05.txt, sub1_06.txt, sub1_07.txt, sub1_08.txt, sub1_09.txt, sub1_10.txt, sub1_11.txt, sub1_12.txt, sub1_13.txt, sub1_14.txt, sub1_15.txt, sub1_16.txt, sub1_17.txt, sub1_18.txt, sub1_19.txt, sub1_20.txt
Case Name Status Exec Time Memory
sample_01.txt AC 17 ms 3060 KiB
sample_02.txt AC 17 ms 2940 KiB
sample_03.txt AC 17 ms 2940 KiB
sub1_01.txt AC 17 ms 2940 KiB
sub1_02.txt AC 17 ms 3064 KiB
sub1_03.txt AC 17 ms 2940 KiB
sub1_04.txt AC 17 ms 2940 KiB
sub1_05.txt AC 17 ms 3060 KiB
sub1_06.txt AC 17 ms 3060 KiB
sub1_07.txt AC 17 ms 2940 KiB
sub1_08.txt AC 17 ms 3060 KiB
sub1_09.txt AC 17 ms 2940 KiB
sub1_10.txt AC 17 ms 3060 KiB
sub1_11.txt AC 17 ms 3060 KiB
sub1_12.txt AC 17 ms 2940 KiB
sub1_13.txt AC 17 ms 3060 KiB
sub1_14.txt AC 17 ms 3064 KiB
sub1_15.txt AC 17 ms 3064 KiB
sub1_16.txt AC 17 ms 3060 KiB
sub1_17.txt AC 17 ms 3060 KiB
sub1_18.txt AC 17 ms 2940 KiB
sub1_19.txt AC 17 ms 2940 KiB
sub1_20.txt AC 17 ms 3060 KiB