#include <stdio.h>
#include <stdlib.h>
int main()
{
int line;
int ch;
int begining;
line=0;
begining=1;
while ((ch=getchar()) !=EOF)
{
if (begining==1)
{
begining=0;
line+=1;
printf("%d",line);
}
putchar(ch);
if (ch==‘\n‘)
begining=1;
}
return 0;
}本文出自 “乘法口诀” 博客,请务必保留此出处http://10706002.blog.51cto.com/10696002/1704325
原文:http://10706002.blog.51cto.com/10696002/1704325