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实验6

时间：2024-06-06 16:34:35浏览次数：15  
标签：head int void char 实验 printf Film

1 

#include<stdio.h>
#include<string.h>
#define N 3
typedef struct student{
    int id;
    char name[20];
    char subject[20];
    double perf;
    double mid;
    double final;
    double total;
    char level[10];
}STU;
void input(STU[],int); 
void output(STU[],int);
void calc(STU[],int);
int fail(STU[],STU[],int);
void sort(STU[],int);
int main(){
    STU st[N],fst[N];
    int k;
    printf("录入学生成绩信息:\n");
    input(st,N);
    printf("\n成绩处理...\n");
    calc(st,N);
    k=fail(st,fst,N);
    sort(st,N);
    printf("\n学生排名情况:\n");
    output(st,N);
    printf("\n不及格学生信息:\n");
    output(fst,k);
    return 0; 
}
void input(STU st[],int n){
    int i;
    for(i=0;i<n;i++)
    scanf("%d %s %s %lf %lf %lf",&st[i].id,st[i].name,st[i].subject,&st[i].perf,&st[i].mid,&st[i].final);
}
void output(STU st[],int n){
    int i;
    printf("--------------------\n");
    printf("学号   姓名     科目   平时   期中   期末   总评   等级\n");
    for(i=0;i<n;i++)
    printf("%d   %-6s   %-4s   %-4.0f   %-4.0f   %-4.0f   %-4.1f   %s\n",st[i].id,st[i].name,st[i].subject,st[i].perf,st[i].mid,st[i].final,st[i].total,st[i].level);
}
void calc(STU st[],int n){
    int i;
    for(i=0;i<n;i++){
        st[i].total=st[i].perf*0.2+st[i].mid*0.2+st[i].final*0.6;
        if(st[i].total>=90)
        strcpy(st[i].level,"you");
        else if(st[i].total>=80&&st[i].total<90)
        strcpy(st[i].level,"liang");
        else if(st[i].total>=70&&st[i].total<80)
        strcpy(st[i].level,"zhong");
        else if(st[i].total>=60&&st[i].total<70)
        strcpy(st[i].level,"jige");
        else if(st[i].total<60)
        strcpy(st[i].level,"bujige");
    }
}
int fail(STU st[],STU t[],int n){
    int i,cnt=0;
    for(i=0;i<n;i++)
    if(st[i].total<60)
    t[cnt++]=st[i];
    return cnt;
}
void sort(STU st[],int n){
    int i,j;
    STU t;
    for(i=0;i<n-1;i++)
    for(j=0;j<n-1-i;j++)
    if(st[j].total<st[j+1].total){
        t=st[j];
        st[j]=st[j+1];
        st[j+1]=t;
    }
}

 2

#include <stdio.h>
#include <string.h>
#define N 10
#define M 80

typedef struct {
    char name[M];       
    char author[M];    
} Book;

int main() {
    Book x[N] = { {"《一九八四》", "乔治.奥威尔"},
                  {"《美丽新世界》", "赫胥黎"},
                  {"《昨日的世界》", "斯蒂芬.茨威格"}, 
                  {"《万历十五年》", "黄仁宇"},
                  {"《一只特立独行的猪》", "王小波"},
                  {"《百年孤独》", "马尔克斯"},
                  {"《查令十字街84号》", "海莲.汉芙"},
                  {"《只是孩子》", "帕蒂.史密斯"}, 
                  {"《刀锋》", "毛姆"},
                  {"《沉默的大多数》", "王小波"} };
    Book *ptr;
    int i;
    char author[M];

    
    printf("所有图书信息: \n");
    for(ptr = x; ptr < x + N; ++ptr)
        printf("%-30s%-30s\n", ptr->name, ptr->author);

  
    printf("\n输入作者名: ");
    gets(author);
    for(ptr = x; ptr < x + N; ++ptr)
        if(strcmp(ptr->author, author) == 0) {
            printf("%-30s%-30s\n", ptr->name, ptr->author);
        }

    return 0;
}

3.1

#include <stdio.h>
#include <stdlib.h>
#define N 80

typedef struct FilmInfo {
    char name[N];
    char director[N];
    char region[N];
    int year;
    struct FilmInfo *next;
} Film;


void output(Film *head);  
Film *insert(Film *head, int n);  


int main() {
    int n;         
    Film *head;    

    head = NULL;
    printf("输入影片数目: ");
    scanf("%d", &n);

   
    head = insert(head, n);

  
    printf("\n所有影片信息如下: \n");
    output(head);

    return 0;
}


Film *insert(Film *head, int n) {
    int i;
    Film *p;

    for(i = 1; i <= n; ++i) {
        p = (Film *)malloc(sizeof(Film));
        printf("请输入第%d部影片信息: ", i);
        scanf("%s %s %s %d", p->name, p->director, p->region, &p->year);
        
    
        p->next = head;
        head = p;  
    }

    return head;
}


void output(Film *head) {
    Film *p;

    p = head;
    while(p != NULL) {
        printf("%-20s %-20s %-20s %d\n", p->name, p->director, p->region, p->year);
        p = p -> next;
    }
}

3.2

#include <stdio.h>
#include <stdlib.h>
#define N 80

typedef struct FilmInfo {
    char name[N];
    char director[N];
    char region[N];
    int year;
    struct FilmInfo *next;
} Film;


void output(Film *head);   
Film *insert(Film *head, int n);   


int main() {
    int n;          
    Film *head;     
    Film *p;        

   
    p = (Film *)malloc(sizeof(Film));
    p->next = NULL;
    head = p;       

    printf("输入影片数目: ");
    scanf("%d", &n);

   
    head = insert(head, n);

    
    printf("\n所有影片信息如下: \n");
    output(head);

    return 0;
}


Film *insert(Film *head, int n) {
    int i;
    Film *p;

    for(i = 1; i <= n; ++i) {
        p = (Film *)malloc(sizeof(Film));
        printf("请输入第%d部影片信息: ", i);
        scanf("%s %s %s %d", p->name, p->director, p->region, &p->year);
        
       
        p->next = head->next;
        head->next = p;
    }

    return head;
}


void output(Film *head) {
    Film *p;

    p = head->next;
    while(p != NULL) {
        printf("%-20s %-20s %-20s %d\n", p->name, p->director, p->region, p->year);
        p = p -> next;
    }
}

 4

#include <stdio.h>
#define N 10

typedef struct {
    char isbn[20];          
    char name[80];          
    char author[80];        
    double sales_price;     
    int  sales_count;       
} Book;

void output(Book x[], int n);
void sort(Book x[], int n);
double sales_amount(Book x[], int n);

int main() {
    Book x[N] = {{"978-7-229-14156-1", "源泉", "安.兰德", 84, 59},
                 {"978-7-5133-5261-1", "李白来到旧金山", "谭夏阳", 48, 16},
                 {"978-7-5617-4347-8", "陌生人日记", "周怡芳", 72.6, 27},
                 {"978-7-5722-5475-8", "芯片简史", "汪波", 74.9, 49},
                 {"978-7-5046-9568-0", "数据化决策", "道格拉斯·W·哈伯德", 49, 42},
                 {"978-7-5133-4388-6", "美好时代的背后", "凯瑟琳.布", 34.5, 39},
                 {"978-7-1155-0509-5", "无穷的开始:世界进步的本源", "戴维·多伊奇", 37.5, 55},
                 {"978-7-5321-5691-7", "何为良好生活", "陈嘉映", 29.5 , 31},
                 {"978-7-5133-5109-6", "你好外星人", "英国未来出版集团", 118, 42},
                 {"978-7-2011-4617-1", "世界尽头的咖啡馆", "约翰·史崔勒基", 22.5, 44}};
    
    printf("图书销量排名: \n");
    sort(x, N);
    output(x, N);

    printf("\n图书销售总额: %.2f\n", sales_amount(x, N));
    
    return 0;
}

void output(Book x[], int n){
    int i;
    for(i=0;i<n;i++){
        printf("%s %s %s %lf %d\n",x[i].isbn,x[i].name,x[i].author,x[i].sales_price,x[i].sales_count);
    }
}
void sort(Book x[], int n){
    int i,j;
    Book t;
    for(i=0;i<n-1;i++){
        for(j=0;j<i-1-n;j++)
        if(x[j].sales_count < x[j+1].sales_count){
            t=x[j];
            x[j]=x[j+1];
            x[j+1]=t;
        }
    }
}
double sales_amount(Book x[], int n){
    double s,sum=0;
    int i;
    for(i=0;i<n;i++){
        s=x[i].sales_price * x[i].sales_count;
        sum+=s;
    }
    return sum;
}

5

#include <stdio.h>

typedef struct {
    int year;
    int month;
    int day;
} Date;

void input(Date *pd);                 
int day_of_year(Date d);                
int compare_dates(Date d1, Date d2);    
                                        
                                        
                                       

void test1();                    
void test2();   

int main() {
    printf("测试1: 输入日期, 打印输出这是一年中第多少天\n");
    test1();

    printf("\n测试2: 两个人年龄大小关系\n");
    test2();
}

void test1() {
    Date d;
    int i;

    printf("输入日期:(以形如2024-06-01这样的形式输入)\n");
    for(i = 0; i < 3; ++i) {
        input(&d);
        printf("%04d-%02d-%02d是这一年中第%d天\n\n", d.year, d.month, d.day, day_of_year(d));
    }
}

void test2() {
    Date Alice_birth, Bob_birth;
    int i;
    int ans;

    printf("输入Alice和Bob出生日期:(以形如2005-08-11这样的形式输入)\n");
    for(i = 0; i < 3; ++i) {
        input(&Alice_birth);
        input(&Bob_birth);
        ans = compare_dates(Alice_birth, Bob_birth);
        
        if(ans == 0)
            printf("Alice和Bob一样大\n\n");
        else if(ans == -1)
            printf("Alice比Bob大\n\n");
        else
            printf("Alice比Bob小\n\n");
    }
}

void input(Date *pd) {
    scanf("%04d-%02d-%02d",&(pd->year),&(pd->month),&(pd->day));
}

int day_of_year(Date d) {
   int s,n=0,i;
   int map[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
   if((d.year % 4==0 && d.year % 100 != 0)||d.year%400==0)
   map[2]=29;
   if(d.month==1)
   n=d.day;
   if(d.month != 1){
       for(i=1;i<=d.month-1;i++){
           s=map[i];
           n+=s;
       }
       n=n+d.day;
   }
   return n;
}

int compare_dates(Date d1, Date d2) {
    int a,b;
    a=day_of_year(d1);
    b=day_of_year(d2);
    if(d1.year<d2.year)
        return -1;
    if(d1.year>d2.year)
        return 1;
    else{  
    if(a<b)
        return -1;
    if(a==b)
        return 0;
    if(a>b)
        return 1;
    }
}

6

#include <stdio.h>
#include <string.h>

enum Role {admin, student, teacher};

typedef struct {
    char username[20];  
    char password[20];  
    enum Role type;    
} Account;



void output(Account x[], int n);    

int main() {
    Account x[] = {{"A1001", "123456", student},
                    {"A1002", "123abcdef", student},
                    {"A1009", "xyz12121", student},
                    {"X1009", "9213071x", admin},
                    {"C11553", "129dfg32k", teacher},
                    {"X3005", "921kfmg917", student}};
    int n;
    n = sizeof(x)/sizeof(Account);
    output(x, n);

    return 0;
}

void output(Account x[], int n) {
    int i, j;
    char s[][10]={"admin","student","teacher"};

    for(i = 0; i < n; i++) {
        int len = strlen(x[i].password);
        printf("%s\t\t", x[i].username);

        for(j = 0; j < len; j++) {
            printf("*");
        }

        if(len < 8)
            printf("\t\t");
        else
            printf("\t");

        switch(x[i].type) {
            case 0:
                printf("%s\n",s[0]);
                break;
            case 1:
                printf("%s\n",s[1]);
                break;
            default:
                printf("%s\n",s[2]);
        }
    }
}

 

标签：head,int,void,char,实验,printf,Film
From： https://www.cnblogs.com/520y/p/18228919

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