猜数字游戏
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
void menu()
{
printf("***********************\n");
printf("******开始1,退出0*****\n");
printf("***********************\n");
}//菜单函数
int game(int num)
{
int nb = 0;
scanf_s("%d",&nb);
if(num==nb)
{printf("恭喜你猜对了\n");
return 1;
}
else if(num>nb)
printf("猜小了");
else
printf("猜大了");
}//游戏函数
int main()
{
int ks = 0;
int num = 0;
haha:
menu();
srand((unsigned int)time(NULL));
num = rand()%100+1;
flag:
scanf_s("%d",&ks);
switch(ks)
{case 1:
{
printf("game begain\n");
while(1)
{game(num);
if(1==game(num))
goto haha;}
break;}
case 0:
{printf("game over\n");
return 0;}
default:
{printf("输入错误\n");
goto flag;
break;}
}
return 0;}
//主函数体
倒计时器
#include<stdio.h>
#include<windows.h>
#include<stdlib.h>
int main ()
{ int i = 100;
printf("100s倒计时开始\n");
for(i=100;i>=1;i--)
{ printf("\n%d 秒\n",i);
Sleep(1000);
}
system("pause");
}
计时器
#include<stdio.h>
#include<windows.h>
#include<stdlib.h>
void menu()
{ printf("*********************\n");
printf("***开始计时1 退出0***\n");
printf("*********************\n");
}
int main ()
{
int i = -1;
int hour = 0;
int min = 0;
int second = 0;
menu();
scanf_s("%d",&i);
switch(i)
{ case 1:
{printf("开始系统\n");
while(1)
{Sleep(1000);
second++;
if(second==60)
{ min++;
second = 0;
}
if(min==60)
{ hour++;
min = 0;
}
printf("%d:%d:%d\n",hour,min,second);
}
case 0:
return 0;
}
}
return 0;
}
生成随机数
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main()
{
int k = 0;
srand((unsigned int)time(NULL));
k =
return 0;
}//生成随机数