C语言答案第8章.doc

第8章 ［习题-1］/*c8_1.c*/ #include stdio.h struct book { char title[20]; char aditor[10]; int year; int month; char flag; }liber[10]; void main( ) { int i; for(i=0;i10;i++) { rintf(Input book title:\n); scanf(%s,liber[i].title); printf(Input book aditor:\n); scanf(%s,liber[i].aditor); printf(Input print date,year and month :\n); scanf(%d%d,liber[i].year,liber[i].month); printf(Input book information:\n); scanf(%c,liber[i].flag); } for(i=0;i10;i++) printf(%s,%s,%d-%d,%c\n,liber[i].title,liber[i].aditor,liber[i].year,liber[i].month,liber[i].flag); } ［习题-2］/*c8_2.c*/ #include stdio.h #include stdlib.h #include string.h struct list { char words[20]; int num; struct list *next; }; typedef struct list node; typedef node *link; void count(char *str) /*统计正文中单词个数*/ { link ptr,head,ptrn,headnew; int i=0,j=0,prei=0; char temp[20]; ptr=(link)malloc(sizeof(node)); head=ptr; ptr-next=NULL; do { if(*(str+i)== ||*(str+i)==\0) { /*出现一个单词*/ temp[j]=\0; ptr=head; while(ptr-next!=NULL) { if(strcmp(ptr-next-words, temp)==0) /*该单词已经出现*/ { ptr-next-num++; break; /*结束内层while循环*/ } else ptr=ptr-next; } if(ptr-next==NULL) /*该单词是新单词*/ { ptr-next=(link)malloc(sizeof(node)); strcpy(ptr-next-words,temp); ptr-next-num=1; ptr-next-next=NULL; } if(*(str+i)==\0) break; /*全部正文已经结束，跳出循环*/ j=0; i++; continue; } temp[j++]=str[i++]; }while(1); ptrn=(link)malloc(sizeof(node)); /*新建一个按照顺序排列的链表*/ headnew=ptrn; ptrn-next=NULL; ptr=head-next; ptrn=headnew; while(head-next!=NULL) /*把head链表中的结点依次取出按照顺序链接到新的链表headnew中*/ { while(ptrn-next!=NULLptrn-next-num=ptr-num) ptrn=ptrn-next; head-next=ptr-next; ptr-next=ptrn-next; ptrn-next=ptr; ptr=head-next; ptrn=headnew; } ptr=headnew-next; while(ptr!=NULL){ /*将排好序的结点输出*/ puts(ptr-words); printf(%d\n, ptr-num); ptr=ptr-next; } } void mai