C++中对中文字符数组的处理

#include<iostream>
#include<string>

using namespace std;

int main(){
    char china[]={"零一二三四五六七八九十百千万亿"};
    for(int i = 0 ; i < sizeof(china)-3;i+=3)
    {
        string s2;
        s2.assign(china,i,3);
        cout<<s2<<endl;
    }
    return 0;
}