题解 | 复制部分字符串

#include <stdio.h>

int main() {
    char* p ;
    int m;
    int i = 0;
    char str[30] = { 0 };
    p = str;
    scanf("%29s", str);
    scanf("%d", &m);
    printf("%s", (int*)(p + m - 1));




    // write your code here......


    return 0;
}