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

#define P 100

struct stuff //员工数据结构
{
   double Num[12];
   double Qsale[4];
   double Ysale;
   double Award;
   char Name[10];
}Player[P];

struct company //公司的数据结构：人数，总销售额度，年、季度销售排名
{
   int Member; //人数
   long double Tsale; //公司总销售
   unsigned long Yrank; //年排名
   unsigned long Qrank[4]; //季度排名
};

int Menu() //菜单界面
{

   printf("\n\n\n");
   printf(" ***************Management System***************\n\n");
   printf(" 1.初始化系统 \n ");
   printf(" 2.员工销售额输入 \n");
   printf(" 3.数据更改 \n ");
   printf(" 4.统计 \n");
   printf(" 5.奖金发放 \n \n");
   printf(" *** 请输入您的选项 *** ");

return 0;
}

int add_infor(struct stuff Player[], int n) //输入员工工号，姓名
{
   int j;
   printf("输入员工人数");
   scanf_s("%d", n);

   for(j=0;j<n;j++)
   {
       printf("请输入第%d位员工信息", j + 1);
       printf("\n\t\t\t工号：");
       scanf_s("\t\t%d", &Player[n].Num);
       printf("\t\t\t姓名：");
       scanf_s("\t\t%c", &Player[n].Name[10]);
   }

return n;
}

int qsale(struct stuff Player[], int n) //员工的季度销售额
{
   int i;
   for (i = 1; i < 5; i++)
   {

   printf("\n\t\t\t第%d季度销售额度：", i);
   scanf_s("\t\t%d", &Player[n].Qsale[i]);

}

}

int re_infor(struct stuff Player[], int n) //修改员工信息
{
   int option, choice;
   int i = 0,j=0;
   char old_temp[20] = { 0 };
   char new_temp[10] = { 0 };
   float new_score;

   printf("\n\t\t\t1、按工号查找修改\n");
   printf("\t\t\t2、按姓名查找修改\n");
   printf("\n\t\t请输入选项选择功能：");
   scanf_s("%d", &option);

   if (1 == option)
   {
       printf("\n\t\t请输入学号：");
       scanf_s("%d", &old_temp);

       while ((strcmp(Player[i].Num, old_temp) != 0) && i < n)
       {
           i++;
       }

       if (i == n)
       {
           printf("\n\t\t未找到！");
       }
   }

   if (2 == option)
   {
       printf("\n\t\t请输入姓名：");
       scanf_s("%c", &old_temp);

       while ((strcmp(Player[i].Num, old_temp) != 0) && i < n)
       {
           i++;
       }

       if (i == n)
       {
           printf("\n\t\t未找到！");
       }
   }

printf("\n\t\t待修改学生的信息：\n");
printf("\n\t\t学号：%d\n\t\t姓名：%c\n\t\t成绩：%3d\n", Player[i].Num, Player[i].Name, Player[i].Qsale);

printf("\n\t\t请选择要修改的信息（1.学号 2.姓名 3.季度销售额）：");
scanf_s("%d", &choice);

   if (1 == choice)
   {
       printf("\n\t\t输入修改后的学号：");
       scanf_s("%c", &new_temp);

       Player[i].Num == new_temp;
       printf("\t\t修改成功！\n");
   }

   if (2 == choice)
   {
       printf("\n\t\t输入修改后的姓名：");
       scanf_s("%c", &new_temp[10]);

       for (j = 0; j < 10; j++)
       {
           Player[i].Name[j] == new_temp[j];
       }
       printf("\t\t修改成功！\n");
   }

   if (3 == choice)
   {
       printf("\n\t\t输入修改第几季度销售额：");
       scanf_s("%d", &j);
       printf("\n\t\t输入修改后的季度销售额：");
       scanf_s("%d", &new_score);

       Player[i].Qsale[j] = new_score;
       printf("\t\t修改成功！\n");
   }
}

int award(struct stuff Player[], int n) //奖金计算
{
   long double i=0;
   int j;
   for (j = 0; j < 4; j++) //季度相加计算年销售
   {
       Player[n].Ysale += Player[n].Qsale[j];
   }

   i= *&Player[n].Ysale;
   double bonus; //正常奖学金我还没弄出第一！！！！！！！！！！！！！！！

   if (i <= 100000)
       bonus = i * 0.1;
   else if (i <= 15000000)
       bonus = i * 0.11;
   else if (i <= 20000000)
       bonus = i * 0.12;
   else if (i <= 600000)
       bonus = i * 0.13;
   else if (i <= 1000000)
       bonus = i * 0.14;
   else
       bonus = i* 0.15;
   printf("bonus=%d", bonus);
   return bonus;
}

int main() //主函数
{

int select = 0;//选择
int n = 0; //第几个员工

   while (1)
   {
       Menu();

       printf("\t\t输入标号选择功能： ");
       scanf_s("%d", &select);
       switch (select)
       {
       case 1:
           printf("\n\t\t********录入员工信息********\n");
       n=add_infor(&Player[n],n);
           break;
       case 2:
           printf("\n\t\t********输入员工每季度销售额********\n");
           qsale(&Player[n],n);
           break;
       case 3:
           printf("\n\t\t**********修改员工信息**********\n");
           re_infor(&Player[n], n);
           break;
       case 4:
           printf("\n\t\t*********统计全年企业的销售额*********\n");
           n = (Player[n], n);
           break;
       case 5:
           printf("\n\t\t*********统计个人销售额及员工的奖金*********\n");
           award(Player[n].Qsale, n);
           break;
       default:
           printf("\n\n\t\t**********谢谢使用！**********\n");
           exit(0);
           break;
       }

}
}

jujiawu1024

用C++ 6.0浮点数求一阶导后绘制波纹图

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