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>That doesn't sound good, when the material is indeed for programming
I recommend his books because the explanations are excellent. If you have the patience, you can beat the code examples into...

>Sedgewick's Algorithms in C++ is generally highly recommended.
Beware the code though. He's a smart guy, but when it comes to programming, he's not exactly the sharpest knife in the drawer...if you...

Knuth, The Art of Computer Programming. That should keep you entertained for a few decades. ;)