题解 | #复制部分字符串#

#include <iostream>
using namespace std;

int main() {

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

    int m;
    cin >> m;

    // write your code here......
    char s[30] = {0};
    int len=0;
    while(str[m-1]!='\0'){
        s[len++]=str[m-1];
        m++;
    }
    s[len]='\0';
    cout<<s<<endl;
    return 0;
}