white board: find the first non-recurring character in a string. i.e. input "abbcdcaea" would return "d"

Question

Solved in Python · Accepted Answer

def non_rec(string):

	if type(string) == str:
		continue
	else:
		print “Input is not of type: String”

	Uniques = []

	for letter in string:
		if letter in uniques:
			uniques.remove(letter)
			break
		else:
			Uniques.append(letter)

	return uniques[0]

Tong · Answer

void func(char* str)
{

Sigiloso · Answer

- C answer

char nonRecurringChar(char *str){
  long size = sizeof(str) - 1;
  long i;
  
  //Assume letters are all small letters
  uint32_t count[26];
  
  //Clear count array
  for(i=0; i<26; ++i){
    count[i] = 0;
  }
  
  for(i=0; i

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