题解 | #去除字符串中重复的字符#

#include <iostream>
#include <iterator>
#include <set>
// write your code here......

using namespace std;

int main() {

    char str[100] = { 0 };
    cin.getline(str, sizeof(str));

    // write your code here......
    set<char> s;
    char* p = str;
    while(*p != '\0') {
        s.insert(*p);
        p++;
    }
    set<char>::iterator iter = begin(s);
    while(iter != end(s)) {
        cout<<*iter;
        iter++;
    }

    return 0;
}