Question

Code "string removeDuplicates(string original)" in C++. Please do as simple as possible!

Answer 1

#include <iostream>
#include <string>

using namespace std;

string removeDuplicates(string original) {
    string result;
    for (int i = 0; i < original.size(); ++i) {
        bool found = false;
        for (int j = 0; j < result.size(); ++j) {
            if (original[i] == result[j]) {
                found = true;
            }
        }
        if (!found) {
            result += original[i];
        }
    }
    return result;
}

int main() {
    cout << removeDuplicates("Hello how are you?") << endl;
    return 0;
}