From dc252d40ff016b590753c683ca0fd4ef0e08ae02 Mon Sep 17 00:00:00 2001
From: celso <celsochan@disroot.org>
Date: Sat, 5 Nov 2022 17:53:10 -0300
Subject: [PATCH] twelfth exercise

---
 1-12.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 1-12.c

diff --git a/1-12.c b/1-12.c
new file mode 100644
index 0000000..b7083f8
--- /dev/null
+++ b/1-12.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+#define IN   1  /* inside a word */
+#define OUT  0  /* outside a word */
+
+int main(){
+  int c, state;
+  state = OUT;
+  while ((c = getchar()) != EOF) {
+    if (c == ' ' || c == '\n' || c == '\t'){
+      state = OUT;
+      putchar('\n');
+    }
+    else if (state == OUT) {
+      state = IN;
+      putchar(c);
+    }
+  }
+  return 0;
+}