From 74cf2bfacc92b396dabbdeb15d13c79ea8534743 Mon Sep 17 00:00:00 2001
From: kdeng00 <kundeng94@gmail.com>
Date: Sat, 5 Sep 2020 23:58:42 -0400
Subject: [PATCH] Finished arrays

---
 ch_01/exercise_01-12/main.c |  47 ++++++++++++++++
 ch_01/exercise_01-13/main.c | 104 ++++++++++++++++++++++++++++++++++++
 ch_01/word_counting/main.c  |  52 ++++++++++++++++++
 3 files changed, 203 insertions(+)
 create mode 100644 ch_01/exercise_01-12/main.c
 create mode 100644 ch_01/exercise_01-13/main.c
 create mode 100644 ch_01/word_counting/main.c

diff --git a/ch_01/exercise_01-12/main.c b/ch_01/exercise_01-12/main.c
new file mode 100644
index 0000000..17b3791
--- /dev/null
+++ b/ch_01/exercise_01-12/main.c
@@ -0,0 +1,47 @@
+/*
+ *
+ * Exercise 1-12. Write a program that prints its input one word per line.
+ *
+ * Author: Kun Deng
+ */
+
+#include <stdio.h>
+
+#define IN_WORD 1
+#define OUT_WORD 0
+#define WORD_LOWER_LIMIT 2
+
+
+int main()
+{
+    int c;
+    int state = OUT_WORD;
+
+    printf("Enter a series lines, words, and characters\n");
+    printf("Once complete, enter Ctr-D to quit\n");
+
+    while ((c = getchar()) != EOF)
+    {
+
+        if (c == '\n' || c == ' ' || c == '\t')
+        {
+            if (state == IN_WORD)
+            {
+                state = OUT_WORD;
+                putchar('\n');
+            }
+        }
+        else
+        {
+            if (state == OUT_WORD)
+            {
+                state = IN_WORD;
+            }
+
+            putchar(c);
+        }
+    }
+
+    return 0;
+}
+
diff --git a/ch_01/exercise_01-13/main.c b/ch_01/exercise_01-13/main.c
new file mode 100644
index 0000000..218bd26
--- /dev/null
+++ b/ch_01/exercise_01-13/main.c
@@ -0,0 +1,104 @@
+/*
+ *
+ * Exercise 1-13. Write a program to print a histogram of the lengths of words in its
+ * input. It is easy to draw the histogram with the bars horizontal; a vertical
+ * orientation is more challenging.
+ *
+ * Author: Kun Deng
+ */
+
+#include <stdio.h>
+
+#define IN_WORD 1
+#define OUT_WORD 0
+#define WORD_LOWER_LIMIT 2
+#define WORD_ARRAY_LIMIT 2
+
+
+int main()
+{
+    int c;
+    int state = OUT_WORD;
+    int word_count = 0;
+    int characters_in_word = 0;
+    int word_lengths[WORD_ARRAY_LIMIT];
+    int largest_characters_word_count = 0;
+
+    printf("Enter %d words\n");
+
+    while ((c = getchar()) != EOF)
+    {
+
+        if (c == '\n' || c == ' ' || c == '\t')
+        {
+            if (state == IN_WORD)
+            {
+                state = OUT_WORD;
+                putchar('\n');
+                word_lengths[word_count] = characters_in_word;
+
+                if (largest_characters_word_count < characters_in_word)
+                {
+                    largest_characters_word_count = characters_in_word;
+                }
+
+                ++word_count;
+                printf("characters in word %d\n", characters_in_word);
+                characters_in_word = 0;
+            }
+
+            if (word_count >= WORD_ARRAY_LIMIT)
+            {
+                break;
+            }
+        }
+        else
+        {
+            if (state == OUT_WORD)
+            {
+                state = IN_WORD;
+            }
+
+            ++characters_in_word;
+
+            putchar(c);
+        }
+    }
+
+
+    printf("word count %d\n", word_count);
+    printf("most characters in word %d\n\n", largest_characters_word_count);
+
+    for (int s = largest_characters_word_count; s > 0; --s)
+    {
+        char buf[WORD_ARRAY_LIMIT];
+
+        for (int j = 0; j < WORD_ARRAY_LIMIT; ++j)
+        {
+            if (word_lengths[j] >= s)
+            {
+                buf[j] = '*';
+                printf("%2s", "*");
+            }
+            else
+            {
+                buf[j] = ' ';
+            }
+        }
+
+        // printf("%s\n", buf);
+        printf("\n");
+    }
+
+    for (int i = 0; i < WORD_ARRAY_LIMIT; ++i)
+    {
+        printf("%2d", i);
+    }
+
+    printf("\n\nwords and their lengths\n");
+    printf("the results are the index for each word and their respective word length\n");
+    printf("ex. first word (index 0) has a length of 3\n");
+
+    return 0;
+}
+
diff --git a/ch_01/word_counting/main.c b/ch_01/word_counting/main.c
new file mode 100644
index 0000000..c2e962c
--- /dev/null
+++ b/ch_01/word_counting/main.c
@@ -0,0 +1,52 @@
+/*
+ *
+ * This program counts lines, words, and characters. Words being a sequence of 
+ * characters that do not contain any blank spaces, tabs, or new lines
+ *
+ * Author: Kun Deng
+ */
+
+#include <stdio.h>
+
+#define IN_WORD 1
+#define OUT_WORD 0
+
+
+int main()
+{
+    int c;
+    int new_line_count = 0;
+    int word_count = 0;
+    int character_count = 0;
+    int state = OUT_WORD;
+
+    printf("Enter a series lines, words, and characters\n");
+    printf("Once complete, enter Ctr-D to quit\n");
+
+    while ((c = getchar()) != EOF)
+    {
+        ++character_count;
+
+        if (c == '\n')
+        {
+            ++new_line_count;
+        }
+
+        if (c == '\n' || c == ' ' || c == '\t')
+        {
+            state = OUT_WORD;
+            printf("out of word\n");
+
+        }
+        else if (state == OUT_WORD)
+        {
+            state = IN_WORD;
+            ++word_count;
+            printf("in word\n");
+        }
+    }
+
+    printf("character count %d word count %d new line count %d\n", character_count, word_count, new_line_count);
+
+    return 0;
+}