#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main()
{
int a,b,c,d,n;
srand(time(0));
a=rand()%5+5;
b=rand()%5+5;
c=1;
d=1;
printf("随机数为%d,%d\n",a,b);
while(a>0)
{
c=c*a;
a--;
}
while(b>0)
{
d=d*b;
b--;
}
n=c+d;
printf("%d\n",n);
}
#include<stdio.h>
int main()
{
int a=0,b=0;
while(getchar()!=EOF)
{
a++;
while(getchar()!='\n')
{
b++;
}
}
printf("字符个数%d,行数%d\n",a+b,a);
}