C语言统计终端输入的行数,单词数与字符数
转自：http://blog.csdn.net/adam_zs/article/details/8470931
#include <stdio.h>
#define IN 1 //在单词内
#define OUT 0 //在单词外
/**
*统计输入的行数,单词数与字符数
*/
main() {
// c:每次读的支付,nl:行数,nw:单词数,nc:字符数,state:标示状态
int c, nl, nw, nc, state;
state = OUT;
nl = nw = nc = 0;
while ((c = getchar()) != EOF) {
++nc;
if (c == '\n') {
++nl;
}
if (c == ' ' || c == '\n' || c == '\t') {
state = OUT;
} else if (state == OUT) {
state = IN;
++nw;
}
}
printf("%d %d %d", nl, nw, nc);
}
输出结果
hello word ABCD ni hao love he her a b 5 10 39
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