丢硬币编程

㈠ 用c语言模拟抛硬币的试验

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#defineINT_MAX100
voidmain()
{
intn,zhengsum=0,fansum=0;
srand(time(NULL));
scanf("%d",&n);
while(n--)
{
if(rand()%INT_MAX*1.0/INT_MAX>0.5)
zhengsum++;
else
fansum++;
}
printf("正面数：%d反面数:%d
",zhengsum,fansum);
}