A positive integer is called a palindrome if its representation in the decimal system is the same when read from left to right and from right to left. For a given positive integer K of not more than 1000000 digits, write the value of the smallest palindrome larger than K to output. Numbers are always displayed without leading zeros.InputThe first line contains integer t, the number of test cases. Followed by t lines containing integers K.OutputFor each K, output the smallest palindrome larger than K.ExampleInput:28082133Output:8182222Warning: large Input/Output data, be careful with certain languages
Question
A positive integer is called a palindrome if its representation in the decimal system is the same when read from left to right and from right to left. For a given positive integer K of not more than 1000000 digits, write the value of the smallest palindrome larger than K to output. Numbers are always displayed without leading zeros.InputThe first line contains integer t, the number of test cases. Followed by t lines containing integers K.OutputFor each K, output the smallest palindrome larger than K.ExampleInput:28082133Output:8182222Warning: large Input/Output data, be careful with certain languages
Solution
This problem is about finding the next palindrome number larger than a given number. Here is a Python solution:
def next_palindrome(n):
n = str(n)
for i in range(int(n), 10**6):
if str(i) == str(i)[::-1]:
return i
return "No palindrome found"
t = int(input())
for _ in range(t):
k = int(input())
print(next_palindrome(k+1))
This script works by first converting the input number to a string. Then it iterates from the input number up to 10^6, checking each number to see if it is a palindrome (i.e., if the string representation of the number is the same forwards and backwards). If it finds a palindrome, it returns that number. If it doesn't find a palindrome before reaching 10^6, it returns a message saying no palindrome was found.
The script first reads the number of test cases, then for each test case, it reads the input number, finds the next palindrome, and prints it.
Similar Questions
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