Question

设计一个公司的数据结构，并使用结构指针数组储存职员信息，统计公司员工工资总额和平均工资。C语言。

看下哪里错了
typedef struct employee
{
int age;
char *name;
double salary;
};*PEMP;
void update(PEMP*,int,int,char*,double);
double total(PEMP*);
double mean(PEMP*);
void readin(PEMP*);

Answer 1

/* please input the total number of employees : 3 please input 1/3 massage:name age salary 胥立畅 32 6890.50 please input 2/3 massage:name age salary 王莹莹 24 3698.85 please input 3/3 massage:name age salary 李大海 28 4896.80 胥立畅 32 6890.00 王莹莹 24 3698.00 李大海 28 4896.00 Press any key to continue */ #include <stdio.h> #include <string.h> #include <malloc.h> typedef struct employee { int age; char *name; double salary; }PEMP; void update(PEMP a[],int id,int age,char *name,double salary) { a[id].age = age; a[id].salary = salary; a[id].name = (char *)malloc(strlen(name)*sizeof(char) + 1); strcpy(a[id].name,name); } void reading(PEMP a[],int n) { int i,age; double salary; char name[30]; for(i = 0;i < n;++i) { printf("please input %d/%d massage:name age salary\n",i + 1,n); scanf("%s %d %lf",name,&age,&salary); update(a,i,age,name,salary); } } double Addup(PEMP *a,int n) { int i; double sum = 0.0; for(i = 0; i < n; ++i) sum += a[i].salary; return sum; } void Show(PEMP a[],int n) { int i; for(i = 0; i < n; ++i) printf("%s %d %.2lf\n",a[i].name,a[i].age,a[i].salary); printf("\n"); } int main() { int n; double sum; PEMP company[30]; printf("please input the total number of employees : "); scanf("%d",&n); reading(company,n); Show(company,n); sum = Addup(company,n); printf("工资总额:%.2lf，平均工资 : %.2lf\n",sum,sum/n); return 0; }