题解 | #复制部分字符串#

#include <iostream>
#include <string>
using namespace std;

int main() {

    char str[30] = { 0 };
    cin.getline(str, sizeof(str));

    int m;
    cin >> m;

    // write your code here......
    string s;
    for(char*ptr=&str[m-1];*ptr!='\0';ptr++)
    {
        s+=*ptr;
    }
    cout << s;

    return 0;
}