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 copystr[30] = { 0 };
    char* p = str + m - 1; //指向字符数组第m个元素
    char* q = copystr;
    while(*p != '\0'){ //直到字符串结果
        *q = *p; //复制
        p++;; //两边指针都后移
        q++;
    }
    cout << copystr << endl;
	return 0;
}