char name[8]; int score[4]; } stu[N]; input(stu)
struct student stu[]; { int i,j;
for(i=0;i { printf(\ printf(\ scanf(\ printf(\ scanf(\ for(j=0;j<3;j++) { printf(\ scanf(\ } printf(\ } } print(stu) struct student stu[]; { int i,j; printf(\for(i=0;i { printf(\ for(j=0;j<3;j++) printf(\ printf(\} } main() { input(); print(); } ============================================================== 【程序72】 题目:创建一个链表。 1.程序分析: 2.程序源代码: /*creat a list*/ #i nclude \#i nclude \struct list { int data; struct list *next; }; typedef struct list node; typedef node *link; void main() { link ptr,head; int num,i; ptr=(link)malloc(sizeof(node)); ptr=head; printf(\for(i=0;i<=4;i++) { scanf(\ ptr->data=num; ptr->next=(link)malloc(sizeof(node)); if(i==4) ptr->next=NULL; else ptr=ptr->next; } ptr=head; while(ptr!=NULL) { printf(\ ptr=ptr->next; } } ============================================================== 【程序73】 题目:反向输出一个链表。 1.程序分析: 2.程序源代码: /*reverse output a list*/ #i nclude \#i nclude \struct list { int data; struct list *next; }; typedef struct list node; typedef node *link; void main() { link ptr,head,tail; int num,i; tail=(link)malloc(sizeof(node)); tail->next=NULL; ptr=tail; printf(\ for(i=0;i<=4;i++) { scanf(\ ptr->data=num; head=(link)malloc(sizeof(node)); head->next=ptr; ptr=head; } ptr=ptr->next; while(ptr!=NULL) { printf(\ ptr=ptr->next; } } ============================================================== 【程序74】 题目:连接两个链表。 1.程序分析: 2.程序源代码: #i nclude \#i nclude \struct list { int data; struct list *next; }; typedef struct list node; typedef node *link; link delete_node(link pointer,link tmp) {if (tmp==NULL) /*delete first node*/ return pointer->next; else { if(tmp->next->next==NULL)/*delete last node*/ tmp->next=NULL; else /*delete the other node*/ tmp->next=tmp->next->next; return pointer; } } void selection_sort(link pointer,int num) { link tmp,btmp; int i,min; for(i=0;i tmp=pointer; min=tmp->data; btmp=NULL; while(tmp->next) { if(min>tmp->next->data) {min=tmp->next->data; btmp=tmp; } tmp=tmp->next; } printf(\ pointer=delete_node(pointer,btmp); } } link create_list(int array[],int num) { link tmp1,tmp2,pointer; int i; pointer=(link)malloc(sizeof(node)); pointer->data=array[0]; tmp1=pointer; for(i=1;i { tmp2=(link)malloc(sizeof(node)); tmp2->next=NULL; tmp2->data=array[i]; tmp1->next=tmp2; tmp1=tmp1->next; } return pointer; } link concatenate(link pointer1,link pointer2) { link tmp; tmp=pointer1; while(tmp->next) tmp=tmp->next; tmp->next=pointer2; return pointer1; } void main(void) { int arr1[]={3,12,8,9,11}; link ptr; ptr=create_list(arr1,5); selection_sort(ptr,5); } 【程序75】 题目:放松一下,算一道简单的题目。 1.程序分析: 2.程序源代码: main() { int i,n; for(i=1;i<5;i++) { n=0; if(i!=1) n=n+1; if(i==3) n=n+1; if(i==4) n=n+1; if(i!=4) n=n+1; if(n==3) printf(\ } } ============================================================== 【程序76】 题目:编写一个函数,输入n为偶数时,调用函数求1/2+1/4+...+1/n,当输入n为奇数时,调用函数1/1+1/3+...+1/n(利用指针函数) 1.程序分析: 2.程序源代码: main() #i nclude \main() { float peven(),podd(),dcall(); float sum; int n; while (1) { scanf(\ if(n>1) break; } if(n%2==0) { printf(\ sum=dcall(peven,n); } else { printf(\ sum=dcall(podd,n); } printf(\} float peven(int n) { float s; int i; s=1; for(i=2;i<=n;i+=2) s+=1/(float)i; return(s); } float podd(n) int n; { float s; int i; s=0; for(i=1;i<=n;i+=2) s+=1/(float)i; return(s);