题解 | #复制部分字符串#

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

int main() {

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

    int m;
    cin >> m;

    char newstr[30] = { 0 };
    char *p = str;
    char *q = newstr;
    for(int i=1;i<m;i++){
        p++;
    }
    while (*p != NULL) {
        *q=*p;
        p++;
        q++;
    }
    printf("%s",newstr);
    return 0;
}