c抽奖程序源码

Ⅰ c语言根据随机数编写一个抽奖程序

#include<stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <memory.h>
#include <string.h>
#include <time.h>
#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_num*sizeof(AWARDER));
delete awarder;
awarder = new_awarder;
}

printf("身份证号：");
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("身份证号：%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("身份证号：%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("身份证号：");
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身份证号：%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身份证号：%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身份证号：%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请输入你需要的操作代号：\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操作完成。\n");
return true;
}

void main()
{
while(raise());
}

Ⅱ 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

代码如下，已测试通过：

intmain()
{
	intno,ret;
	printf("请输入你猜测的号码：
");
	scanf("%d",&no);
	ret=rand()%10;
	printf("本次开奖结果=[%d]：
",ret);
	if(no==ret)
		{
			printf("恭喜你猜中了，中奖10元！
");
		}
		else
			{
				printf("很遗憾，再来一次吧！
");
			}
	return0;
}

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

Ⅲ 用c语言写一个简易抽奖程序，要求涉及到文件的操作

#include<bits/stdc++.h>
usingnamespacestd;

intn,a[233];

intmain(){
	freopen("a.in","r",stdin);
	freopen("a.out","w",stdout);
	scanf("%d",&n);
	for(inti=0;i<n;i++)scanf("%d",&a[i]);
	printf("%d
",a[rand()%n]);
}

Ⅳ 用c语言编写一个简易的抽奖程序，

用data.txt文件保存以下内容：

13725528132 李桂荣
13725528131 李二来
13725528133 张荣刚
13725528130 荣南
13725528137 王三
13725528138 吴立
13725528139 郭德纲
13725528140 周星驰
13725528141 张曼玉
13725528142 张艺谋
13725528152 秦香莲
13725528162 潘金莲
13725528172 李大嘴
13725528182 展堂

//源代码如下
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define MAX_NUM 9999

//定义保存人名和电话的数据结构
struct Person
{
char name[20];
char telno[15];
char award;
};

int num = 0; //统计人数
FILE *fp; //文件指针
Person persons[MAX_NUM]; //定义数组

int awarder_1[1] = {-1}; //一等奖
int awarder_2[2] = {-1, -1}; //二等奖
int awarder_3[5] = {-1, -1, -1, -1, -1};//三等奖

//读取文件
void readdata()
{
int i = 0; //数组下标
Person person;
//文件打开
fp = fopen("data.txt", "r");
if (fp == NULL)
{
printf("打开文件data.txt失败!\n");
return;
}
//当文件不为空
while (!feof(fp))
{
num ++;
fscanf(fp, "%s", person.telno);
fscanf(fp, "%s", person.name);
person.award = 'F';
persons[i++] = person;
}
}

//初始化标识
void init()
{
for(int i = 0; i < num; i++)
{
persons[i].award = 'F';
}
}

//显示单个中奖信息
void info( int i)
{
printf("手机号码: %s 姓名: %s\n", persons[i].telno, persons[i].name);
}

void main()
{
char again = 'Y';
//读取文件
readdata();

printf("简单抽奖程序\n");
srand((long)time(0));

while(again == 'Y' || again == 'y')
{
//初始化标识
init();

printf("\n开始抽第一等奖(1名)，按任意键开始...\n");
getchar();
awarder_1[0] = abs(rand() % num);
while (persons[awarder_1[0]].award == 'T')
{
awarder_1[0] = rand() % num;
}
persons[awarder_1[0]].award = 'T';

info(awarder_1[0]);

printf("\n开始抽第二等奖(2名)\n");
for (int i = 0; i < 2; i++)
{
printf("\n第%d个二等奖,按任意键开始...\n", i+1);
getchar();
awarder_2[i] = rand() % num;
while (persons[awarder_2[i]].award == 'T')
{
awarder_2[i] = rand() % num;
}
persons[awarder_2[i]].award = 'T';
info(awarder_2[i]);
}

printf("\n\n开始抽第三等奖(5名)\n");
for (i = 0; i < 5; i++)
{
printf("\n第%d个三等奖,按任意键开始...\n", i + 1);
getchar();

awarder_3[i] = rand() % num;
while (persons[awarder_3[i]].award == 'T')
{
awarder_3[i] = rand() % num;
}
persons[awarder_3[i]].award = 'T';
info(awarder_3[i]);
}

printf("\n是否重新开始抽奖?(Y or N)...\n");
again = getchar();
}

getchar();
return;
}