3136

src/3136.c

@@ -0,0 +1,33 @@
+#include <ctype.h>
+#include <solution/3136.h>
+
+bool isVowel(char c)
+{
+    return c == 'a' || c == 'A' || c == 'e' || c == 'E' || c == 'i' || c == 'I' || c == 'o' || c == 'O' || c == 'u' ||
+           c == 'U';
+}
+
+bool isConsonant(char c)
+{
+    return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) && !isVowel(c);
+}
+
+bool isValid(char *word)
+{
+    int length = 0;
+    bool haveVowel = false;
+    bool haveConsonant = false;
+
+    for (; *word != '\0'; word++, length++)
+    {
+        haveVowel = haveVowel || isVowel(*word);
+        haveConsonant = haveConsonant || isConsonant(*word);
+        if (!isdigit(*word) && !isVowel(*word) && !isConsonant(*word))
+            return false;
+    }
+
+    if (length < 3)
+        return false;
+
+    return haveVowel && haveConsonant;
+}