第7次上机作业

#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);}