C语言程序设计——编写一个抽奖程序,生成0-9之间的随机数,猜对了奖励10块钱,没中奖显示中奖号码

C语言程序设计——编写一个抽奖程序,生成0-9之间的随机数,猜对了奖励10块钱,没中奖显示中奖号码,第1张

代码如下,已测试通过:

int main()

{

int no,ret;

printf("请输入你猜测的号码:\n");

scanf("%d",&no);

ret=rand()%10;

printf("本次开奖结果=[%d]:\n",ret);

if(no==ret)

{

printf("恭喜你猜中了,中奖10元!\n");

}

else

{

printf("很遗憾,再来一次吧!\n");

}

return 0;

}

可以把上面代码改成多次输入,即将输入和取随机数都放在while循环中。自己修改下吧

我只说下思路,具体的实现看个人爱好的语言:

1关于一,二,三等奖

随机生成三个数(注:如果生成数的范围),然后这三个数就是一,二,三等奖的比对数了

2关于中奖(忽略中奖率的问题)

抽奖就是生成一个随机数,与一,二,三等奖的比对数相比对,如果是相等,或者差在什么样的范围内,就是中奖了

3关于中奖率

中奖率这个问题可以用抽奖数与比对数之间的差范围控制,还有,抽奖比对数必须在什么样的范围内

自己看着修改一下就ok了, 。。。

/

预先将参加抽奖者的资料输入存储起来,主要用结构体数组实现,用结构体表示每项记录,包括身份z号码、姓名、电话、住址等信息。开始抽奖时,屏幕上快速闪动参与者的身份z号码,按任意键停止闪动,把中奖人的信息用显示在屏幕上。可反复抽出一、二、三等奖若干名。

设计实现以下功能:

(1)录入:完成抽奖者信息的输入;

(2)删除:完成抽奖者信息的删除;

(3)修改:允许对已经录入的数据重新进行编辑、修改;

(4)显示:显示所有中奖者的信息;

(5)抽奖:

a 抽出一等奖 1 名,如果抽过就不能再抽;

b 抽出二等奖 2 名,如果抽完就不能再抽;

c 抽出三等奖 5 名,如果抽完就不能再抽;

(6)退出程序。/

#include

#include

#include

#include

#include

#include

#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());

}

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