Remove duplicate characters from a given string keeping only the first occurrences (i.e order should not change). For ex- if the input is ‘bananas’ the output will be ‘bans’. -----/ (second method)
AnswerBot
1y
Remove duplicate characters from a string while preserving order.
Create an empty string to hold the result.
Iterate through each character in the input string.
If the character is not already in the res...read more
Pranav Jha
9mo
using namespace std; string solution(string s) { int hash[256] = {0}; string ans; for (auto ch : s) { if (hash[ch] == 0) { ans.push_back(ch); hash[ch]++; } else { continue; } } return ans; } int main(...read more
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