kukemuna-cs50/problems/2024/x/readability@20240224T185626.901222753Z

readability.c

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+#include <cs50.h>
+#include <ctype.h>
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+int get_letters(string text);
+int get_words(string text);
+int get_sentences(string text);
+
+int main(void)
+{
+    // Prompt the user for some text
+    string text = get_string("Text:\n");
+
+    // Count the number of letters, words, and sentences in the text
+    int letters = get_letters(text);
+    int words = get_words(text) + 1; // +1 for last word
+    int sentences = get_sentences(text);
+
+    // Compute the Coleman-Liau index
+    int index = round(0.0588 * (100 * letters / (float) words) - 0.296 * (100 * sentences / (float) words) - 15.8);
+
+    // Print the grade level
+    if (index < 1)
+    {
+        printf("Before Grade 1\n");
+    }
+    else if (index >= 16)
+    {
+        printf("Grade 16+\n");
+    }
+    else
+    {
+        printf("Grade %i\n", index);
+    }
+
+    // printf("# letters:   %i\n", letters);
+    // printf("# words:     %i\n", words);
+    // printf("# sentences: %i\n", sentences);
+}
+
+int get_letters(string text)
+{
+    int letters = 0;
+    for (int i = 0, length = strlen(text); i < length; i++)
+    {
+        if (!isspace(text[i]) && !ispunct(text[i]))
+        {
+            letters++;
+        }
+    }
+    return letters;
+}
+
+int get_words(string text)
+{
+    int words = 0;
+    for (int i = 0, length = strlen(text); i < length; i++)
+    {
+        if (isspace(text[i]))
+        {
+            words++;
+        }
+    }
+    return words;
+}
+
+int get_sentences(string text)
+{
+    int sentences = 0;
+    for (int i = 0, length = strlen(text); i < length; i++)
+    {
+        if (text[i] == '!' || text[i] == '?' || text[i] == '.')
+        {
+            sentences++;
+        }
+    }
+    return sentences;
+}