c程序设计语言笔记001

# include<stdio.h>
main ()
{
    int c,nl;
    nl=0;
    while ((c=getchar())!=EOF)
    {
        if(c==‘\n‘)
            ++nl;
    }
    printf("%d\n",nl);
}

# include<stdio.h>
//单词计数 统计输入的函数nl 单词数nw 字符数nc
#define IN 1
#define OUT 0
main ()
{
    int c,nl,nw,nc,state;
    nl=nc=nw=0;
    state=OUT;
    while ((c=getchar())!=EOF)
    {
        ++nc;//字符数
        if(c==‘\n‘)
            ++nl;//统计行数
        if(c==‘ ‘ || c== ‘\n‘ || c==‘\t‘ )
            state =OUT;
        else if(state ==OUT)
        {
            state =IN;
            ++nw;//单词数
        }
    }
    printf("%d  %d  %d\n",nl,nw,nc);
}