Submission #143868

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Source Code Expand

#!/usr/bin/env python2.7

import sys

from cStringIO import StringIO
import unittest
import cProfile

def main():
    A, = (x for x in sys.stdin.readline().split())
    print solve(A)

def solve(A):
    odd = (len(A) % 2) == 1
    c = 0;
    for i in range(len(A) / 2):
        if A[i] != A[-i-1]:
            c += 1
    if c == 0:
        return 25 * (len(A) - odd)
    if c == 1:
        return 25 * (len(A) - odd) - 2 + odd * 25
    else:
        return 25 * len(A)
    
class Test(unittest.TestCase):

    @staticmethod
    def tryone(indata):
        sys.stdin = StringIO(indata)
        out = sys.stdout = StringIO()
        main()
        return out.getvalue()

    def test50(self):
        self.assertEqual(solve("ARC"), 73)
        self.assertEqual(solve("S"), 0)
        self.assertEqual(solve("NOLEMONNOMELON"), 350)
        
    def test60(self):
        self.assertEqual(solve("A"), 0)
        self.assertEqual(solve("AB"), 24+24)
        self.assertEqual(solve("ABC"), 24+25+24)
        self.assertEqual(solve("ABCD"), 25+25+25+25)

        self.assertEqual(solve("AA"), 25+25)
        self.assertEqual(solve("AAA"), 25+25)
        self.assertEqual(solve("AAAA"), 25+25+25+25)
        self.assertEqual(solve("AAAAA"), 25+25+25+25)

        self.assertEqual(solve("AAB"), 24+25+24)
        self.assertEqual(solve("AABA"), 25+24+24+25)
        self.assertEqual(solve("AAABA"), 25+24+25+24+25)

        self.assertEqual(solve("AABB"), 25+25+25+25)
        self.assertEqual(solve("AAABB"), 25+25+25+25+25)

        self.assertEqual(solve("AACAA"), 25+25+25+25)
        self.assertEqual(solve("AACXA"), 25+24+25+24+25)

    def test90(self):
        self.assertEqual(self.tryone("""\
ARC
"""), """73\n""")

if __name__ == '__main__':
    if len(sys.argv) > 1:
        print "_/" * 30 + str(sys.argv)
        if sys.argv[1] == '-p':
            sys.argv.pop(1)
            cProfile.run("unittest.main(exit=False, failfast=True)", sort='time')
        else:
            unittest.main()
    else:
        main()

Submission Info

Judge Result