C语言根据随机数编写一个抽奖程序

#include<stdioh>

#include <conioh>

#include <stdlibh>

#include <memoryh>

#include <stringh>

#include <timeh>

#define AWARDER_NUM 10

typedef struct tag_award

{

char ID[20];

char name[20];

char telNo[20];

char address[50];

}AWARDER;

AWARDER awarder = new AWARDER[AWARDER_NUM];

int first_award[1] = {-1};

int second_award[2] = {-1,-1};

int third_award[5] ={-1,-1,-1,-1,-1};

int awarder_num = 0;

void info_login()

{

if(awarder_num >= AWARDER_NUM)

{

AWARDER new_awarder = new AWARDER[awarder_num + AWARDER_NUM];

memcpy(new_awarder,awarder,awarder_numsizeof(AWARDER));

delete awarder;

awarder = new_awarder;

}

printf("身份z号：");

scanf("%s",awarder[awarder_num]ID);

printf("姓名：");

scanf("%s",awarder[awarder_num]name);

printf("电话号码：");

scanf("%s",awarder[awarder_num]telNo);

printf("家庭住址：");

scanf("%s",awarder[awarder_num]address);

awarder_num++;

}

void info_delete()

{

char name[20];

printf("输入您要删除的抽奖者的姓名：");

scanf("%s",name);

for(int i=0;i<awarder_num;i++)

{

if (strcmp(awarder[i]name,name) == 0)

{

printf("您选择删除的抽奖者的信息如下：\n");

printf("身份z号：%s\n",awarder[i]ID);

printf("姓名：%s\n",awarder[i]name);

printf("电话号码：%s\n",awarder[i]telNo);

printf("家庭住址：%s\n",awarder[i]address);

break;

}

}

if(i == awarder_num)

{

printf("没有找到您输入的抽奖者！\n");

}

else

{

char c;

printf("您确定要删除吗？(Y//N)");

fflush(stdin);

scanf("%c",&c);

if(c == 'Y' || c == 'y')

{

AWARDER new_award = new AWARDER[awarder_num-1];

if(i <= 0)

memcpy(new_award,awarder+1,sizeof(AWARDER) (awarder_num - 1));

else if( i >= awarder_num -1)

memcpy(new_award,awarder,sizeof(AWARDER) (awarder_num - 1));

else

{

memcpy(new_award,awarder,sizeof(AWARDER) i);

memcpy(new_award+i,awarder+i+1,sizeof(AWARDER) (awarder_num - i - 1));

}

awarder_num--;

delete awarder;

awarder = new_award;

}

}

}

void info_modify()

{

char name[20];

printf("输入您要修改的抽奖者的姓名：");

scanf("%s",name);

for(int i=0;i<awarder_num;i++)

{

if (strcmp(awarder[i]name,name) == 0)

{

printf("您选择的抽奖者的信息如下：\n");

printf("身份z号：%s\n",awarder[i]ID);

printf("姓名：%s\n",awarder[i]name);

printf("电话号码：%s\n",awarder[i]telNo);

printf("家庭住址：%s\n",awarder[i]address);

break;

}

}

if(i == awarder_num)

{

printf("没有找到您输入的抽奖者！\n");

}

else

{

printf("请输入该抽奖者的新信息：\n");

printf("身份z号：");

scanf("%s",awarder[i]ID);

printf("姓名：");

scanf("%s",awarder[i]name);

printf("电话号码：");

scanf("%s",awarder[i]telNo);

printf("家庭住址：");

scanf("%s",awarder[i]address);

}

}

bool check_over(int cur_award,int awarderNo)

{

if(awarderNo == 1)

{

if(cur_award == first_award[0])

return true;

}

else if(awarderNo <= 3)

{

if(cur_award == first_award[0])

return true;

for(int i=0;i<awarderNo-1;i++)

if(cur_award == second_award[i])

return true;

}

else if(awarderNo <= 8)

{

if(cur_award == first_award[0])

return true;

for(int i=0;i<2;i++)

if(cur_award == second_award[i])

return true;

for(i=0;i<awarderNo-3;i++)

if(cur_award == third_award[i])

return true;

}

return false;

}

void award()

{

if(awarder_num < 8)

{

printf("人数太少，请添加足够的人再抽奖！\n");

return;

}

srand((long)time(0));

char hit_id[20];

printf("\n开始抽第一等奖（1名），按任意键开始\n");

getch();

while(!kbhit())

{

first_award[0] = rand() % awarder_num;

memcpy(hit_id,awarder[first_award[0]]ID,18);

printf("\r ");

printf("\r %s",hit_id);

}

printf("\n\n开始抽第二等奖（2名）");

for (int i=0;i<2;i++)

{

printf("\n第%d个二等奖,按任意键开始\n",i+1);

getch();

while(!kbhit())

{

second_award[i] = rand() % awarder_num;

while(check_over(second_award[i],1+i))

second_award[i] = rand() % awarder_num;

memcpy(hit_id,awarder[second_award[i]]ID,18);

printf("\r ");

printf("\r %s",hit_id);

}

}

printf("\n\n开始抽第三等奖（5名）");

for (i=0;i<5;i++)

{

printf("\n第%d个三等奖,按任意键开始\n",i+1);

getch();

while(!kbhit())

{

third_award[i] = rand() % awarder_num;

while(check_over(third_award[i],3+i))

third_award[i] = rand() % awarder_num;

memcpy(hit_id,awarder[third_award[i]]ID,20);

printf("\r ");

printf("\r %s",hit_id);

}

}

}

void info_show()

{

printf("一等奖获得者：\n");

printf("\t身份z号：%s\n",awarder[first_award[0]]ID);

printf("\t姓名：%s\n",awarder[first_award[0]]name);

printf("\t电话号码：%s\n",awarder[first_award[0]]telNo);

printf("\t家庭住址：%s\n",awarder[first_award[0]]address);

printf("二等奖获得者：\n");

for (int i=0;i<2;i++)

{

printf("第%d个二等奖获得者：\n");

printf("\t身份z号：%s\n",awarder[second_award[i]]ID);

printf("\t姓名：%s\n",awarder[second_award[i]]name);

printf("\t电话号码：%s\n",awarder[second_award[i]]telNo);

printf("\t家庭住址：%s\n",awarder[second_award[i]]address);

}

printf("三等奖获得者：\n");

for (int i=0;i<5;i++)

{

printf("第%d个三等奖获得者：\n");

printf("\t身份z号：%s\n",awarder[third_award[i]]ID);

printf("\t姓名：%s\n",awarder[third_award[i]]name);

printf("\t电话号码：%s\n",awarder[third_award[i]]telNo);

printf("\t家庭住址：%s\n",awarder[third_award[i]]address);

}

}

/提示信息/

bool raise()

{

printf("\n请输入你需要的 *** 作代号：\n");

printf("\t1录入：完成抽奖者信息的输入;\n");

printf("\t2删除：完成抽奖者信息的删除;\n");

printf("\t3修改：允许对已经录入的数据重新进行编辑、修改;\n");

printf("\t4抽奖：开始抽奖！\n");

printf("\t5显示：显示所有中奖者的信息;\n");

printf("\t6退出。\n");

printf("==>");

int operate;

fflush(stdin);

scanf("%d",&operate);

switch(operate)

{

case 1:

info_login();

break;

case 2:

info_delete();

break;

case 3:

info_modify();

break;

case 4:

award();

break;

case 5:

info_show();

break;

case 6:

return false;

default:

break;

}

printf("\n *** 作完成。\n");

return true;

}

void main()

{

while(raise());

}

Dim a(1 To 100) As String

Dim i As Integer, x As Integer

Const n = 3 'n的值可根据实际需要赋予不同的变量

Private Sub Command1_Click()

Timer1Enabled = True

End Sub

Private Sub Command2_Click()

Timer1Enabled = False

End Sub

Private Sub Form_Load()

Randomize '初始化随机数生成器

a(1) = "富士康" '以此将n个人的姓名保存在数组a中

a(2) = "庞麦郎"

a(3) = "非主流"

For i = 1 To n

List1AddItem a(i)

Next

Timer1Enabled = False

End Sub

Private Sub Timer1_Timer()

x = Rnd() n + 1 '产生一个[1，n]中的随机整数并存入变量x中

Label2Caption = a(x) '在标签Label2中显示下标变量a(x)的值（第x个人的姓名）

End Sub

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