String - Coding Today

ARITH - Simple Arithmetics

ARITH - Simple Arithmetics

Code calculator computing expressions with very long numbers.

Next Smallest Palindrome

Next Smallest Palindrome

Given a numeric string A representing a large number you need to find the next smallest palindrome greater than this number.

Check if a string is a substring of another

Check if a string is a substring of another

Given two strings s1 and s2, find if s1 is a substring of s2.

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