Create readability.c

readability.c

@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <cs50.h>
+#include <ctype.h>
+#include <string.h>
+#include <math.h>
+
+
+int main(void)
+{
+    // Ask user for a line of text
+    string text = get_string("Text: ");
+
+    // Find the length of given string
+    int i = strlen(text);
+    int letters = 0;
+    int words = 0;
+    int sentences = 0;
+
+    // Count the letters using loop
+    for (int x = 0; x < i; x++)
+    {
+        // Counting letters
+        char c = text[x];
+        if (isalpha(c) != 0)
+        {
+            letters++;
+        }
+
+        // Now counts the words
+        if (c == ' ')
+        {
+            words++;
+        }
+
+        // Count the sentence
+        if (c == '.' || c == '!' || c == '?')
+        {
+            sentences++;
+        }
+    }
+
+    // To account for last word
+    words = words + 1;
+
+    // Calculation
+    float L = ((float)letters / (float)words) * 100;
+    float s = ((float)sentences / (float)words) * 100;
+    float subindex = 0.0588 * L - 0.296 * s - 15.8;
+    int index = round(subindex);
+    if (index > 16)
+    {
+        printf("Grade 16+\n");
+    }
+    else if (index < 1)
+    {
+        printf("Before Grade 1\n");
+    }
+    else
+    {
+        printf("Grade %i\n", index);
+    }
+
+}