From 9ff9f305ff7059681d691d750582e6259cd90b59 Mon Sep 17 00:00:00 2001 From: zlg Date: Thu, 7 Feb 2013 02:52:52 -0600 Subject: Solve Exercises 1-1 to 1-12 It was bugging me and the exercises are simple, so I pumped'em out. --- 1-12_one-word-per-line.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 1-12_one-word-per-line.c (limited to '1-12_one-word-per-line.c') diff --git a/1-12_one-word-per-line.c b/1-12_one-word-per-line.c new file mode 100644 index 0000000..3f31d1d --- /dev/null +++ b/1-12_one-word-per-line.c @@ -0,0 +1,39 @@ +#include + +/* The C Programming Language, 2nd Edition + * + * Exercise 1-12: Write a program that prints its input one word per line. + * + * Answer: Be sure to output letters when you're in a word, and a newline when + * you're out of one. + */ + +#define IN 1 +#define OUT 0 + +int main(void) { + 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; + putchar('\n'); + } else if (state == OUT) { + state = IN; + nw++; + } + if (state == IN) { + putchar(c); + } + } + + printf("%d %d %d\n", nl, nw, nc); + + return 0; +} -- cgit v1.2.3-54-g00ecf