字符数组char *s; 不能scanf输入，运行中不能赋值

//运行中不能改变 #include <iostream> using namespace std; struct student{ int id; char *name; }stu[10]; void main() { stu[1].id=123; stu[1].name="qwe"; //scanf("%d %s",&stu[1].id,&stu[1].name); printf("%d %s\n",stu[1].id,stu[1].name); }