Problem:
Score : 200 points

Problem Statement

Find the number of palindromic numbers among the integers between A and B (inclusive).
Here, a palindromic number is a positive integer whose string representation in base 10 (without leading zeros) reads the same forward and backward.

Constraints

10000 \leq A \leq B \leq 99999

All input values are integers.

Input

Input is given from Standard Input in the following format:

A B

Output

Print the number of palindromic numbers among the integers between A and B (inclusive).

Sample Input 1

11009 11332

Sample Output 1

4

There are four integers that satisfy the conditions: 11011, 11111, 11211 and 11311.

Sample Input 2

31415 92653

Sample Output 2

612

Solution in Go (1.6) (judge verdict: Wrong Answer)

package main

import (
	"fmt"
	"strconv"
)

type line struct {
	start int
	end   int
}

func main() {
	var n int
	n = 1
	// fmt.Scan(&n)

	lines := []line{}
	for i := 0; i < n; i++ {
		l := line{}
		fmt.Scan(&l.start, &l.end)
		lines = append(lines, l)
	}
	// fmt.Println(lines)

	test := func(lines []line) int {
		c := 0
		for _, l := range lines {
			for i := l.start; i <= l.end; i++ {
				s := strconv.Itoa(i)
				if len(s) < 2 {
					c++
				} else {
					a := len(s) / 2
					b := len(s) % 2
					first := s[:a]
					last := ""

					for _, c := range s[a+b:] {
						last = string(c) + last
					}

					if first == last {
						c++
						fmt.Println(s)
					}
				}
			}
		}
		return c
	}

	fmt.Println(test(lines))
}