maint ( int head s last= NUll for(i=0;;i++) know new student 分配节点存储空间* if(noW==NULL)/判断自由空间是否够用 {cout≤≤“ In Not enough memory! exit(1) 空间不够,返回 cout<<“ In enter name:” cin>>now→name;/输入姓名至当前结点* if(now->name[o]==°0°) break; 2021/2242021/2/24 7 main() { int i ; head = last = NULL ; for ( i=0 ; ; i ++ ) {now = new student ; /*分配节 点存储空间*/ if ( now == NULL ) /* 判断自由空间是否够用 */ { cout<< “ \n Not enough memory!”; exit(1) ； /* 空间不够，返回 */ } cout<< “ \n enter name: ” ; cin>>now -> name ; /* 输入姓名至当前结点 */ if ( now-> name[0] == ‘\0' ) break ;