并行数组与结构数组是两种不同的数据存储方式，下面给出分别使用并行数组和结构数组来存储员工信息的例子。

1. 并行数组：

#include 

#define MAX_EMPLOYEES 100

typedef struct {
    char name[50];
    int age;
    float salary;
} Employee;

int main() {
    Employee employees[MAX_EMPLOYEES];
    
    // 添加员工信息
    strcpy(employees[0].name, "John");
    employees[0].age = 30;
    employees[0].salary = 5000.0;
    
    strcpy(employees[1].name, "Mary");
    employees[1].age = 25;
    employees[1].salary = 4000.0;
    
    // 输出员工信息
    for (int i = 0; i < 2; i++) {
        printf("Name: %s\n", employees[i].name);
        printf("Age: %d\n", employees[i].age);
        printf("Salary: %.2f\n\n", employees[i].salary);
    }
    
    return 0;
}

2. 结构数组：

#include 

#define MAX_EMPLOYEES 100

typedef struct {
    char name[50];
    int age;
    float salary;
} Employee;

int main() {
    char names[MAX_EMPLOYEES][50];
    int ages[MAX_EMPLOYEES];
    float salaries[MAX_EMPLOYEES];
    
    // 添加员工信息
    strcpy(names[0], "John");
    ages[0] = 30;
    salaries[0] = 5000.0;
    
    strcpy(names[1], "Mary");
    ages[1] = 25;
    salaries[1] = 4000.0;
    
    // 输出员工信息
    for (int i = 0; i < 2; i++) {
        printf("Name: %s\n", names[i]);
        printf("Age: %d\n", ages[i]);
        printf("Salary: %.2f\n\n", salaries[i]);
    }
    
    return 0;
}

这两种方法都可以用来存储员工信息，选择使用哪种方式取决于具体的需求和程序设计的目标。