Scanned PDFs are often riddled with OCR (Optical Character Recognition) errors. A simple for (int i = 0; i < n; i++) might become for (int i = 0; i < n; i++) . When you are trying to learn recursion or dynamic programming, a single misplaced bracket can drive you insane.
Scanned PDFs are often riddled with OCR (Optical Character Recognition) errors. A simple for (int i = 0; i < n; i++) might become for (int i = 0; i < n; i++) . When you are trying to learn recursion or dynamic programming, a single misplaced bracket can drive you insane.