Question

Find the first non-repeated character in a string c

Answer 1

Answer:

First non-repeating character using one traversal of string. Set 2. Given a string, find the first non-repeating character in it. For example, if the input string is “GeeksforGeeks”, then output should be 'f' and if input string is “GeeksQuiz”, then output should be 'G'.

Answer 2

$\bf \underline{ \red{Answer}}:-$

Program to find the first non-repeating character in a string

• /* C program to find first non-repeating character */
• #include<stdlib.h>
• #include<stdio.h>
• #define NO_OF_CHARS 256.

• int *get_char_count(char *str)
• {
• int *count = (int *)calloc(sizeof(int), NO_OF_CHARS);