Strings

Question: Write a program that changes the case of each character in a string. If its uppercase, convert it to lowercase and vice-versa. Input: ThE quiCK brOwN FOX jUMPs. Output: tHe QUIck BRoWn fox Jumps. In this program we shall apply the basic principle that each character is represented as an integer ASCII code. For more reference look into the post – Find the case of a character input by the user. Now we know that ‘a’ -> ASCII CODE = 97 ‘A’ -> ASCII CODE = 65 Thus the …

Question: Write a program that returns the case of the character? Input: e Output: lower case We shall use the concept of ASCII characters to determine the case of the character input by the user. The ASCII table can be found at this link. ASCII TABLE From this we can see the following ASCII codes:- CHARACTER ASCII CODE A 65 Z 90 a 97 z 122 Thus, to check the case we simply compare the ASCII codes. Since we are using C language, in C every character is considered as …

Question: Given an array of characters formed by a’s and b’s. The string is marked with special character ‘X’ which represents the middle of the list (for example ababa…ababXbabab…baaa). Check whether the string is palindrome or not? Input: ababXbaba Output: PALINDROME Input: ababababababbbbbXbbbbabababababa Output: PALINDROME Input: abababbbabbXabbbabbabbb Output: NOT PALINDROME This is one of the simplest algorithms. What we do is, start two indexes – one at the beginning of the string and other at the ending of the string. Each time compare whether the values at both the indexes …