Create Brute Force

Author: niteshbharti005101

Brute Force

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+static const char alphabet[] =
+"abcdefghijklmnopqrstuvwxyz"
+"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+"0123456789";
+
+static const int alphabetSize = sizeof(alphabet) - 1;
+
+void bruteImpl(char* str, int index, int maxDepth)
+{
+    for (int i = 0; i < alphabetSize; ++i)
+    {
+        str[index] = alphabet[i];
+
+        if (index == maxDepth - 1) printf("%s\n", str);
+        else bruteImpl(str, index + 1, maxDepth);
+    }
+}
+
+void bruteSequential(int maxLen)
+{
+    char* buf = malloc(maxLen + 1);
+
+    for (int i = 1; i <= maxLen; ++i)
+    {
+        memset(buf, 0, maxLen + 1);
+        bruteImpl(buf, 0, i);
+    }
+
+    free(buf);
+}
+
+int main(void)
+{
+    bruteSequential(3);
+    return 0;
+}