Why handwritten code is a special case
Programming answers include indentation, operators, braces, variable names and line structure that ordinary OCR may misread. A single character error can change the meaning of an extracted program.
For this reason, extracted code should always be displayed beside the original response and reviewed before semantic evaluation is accepted.
Evaluate logic, not only exact syntax
College examinations often award marks for approach, algorithm choice, control flow, data structures, complexity discussion and partial implementation. A useful rubric separates these criteria instead of comparing the answer with one exact code string.
Teachers can provide expected steps, acceptable alternatives and mark allocation. The AI layer can then suggest criterion-level marks, while faculty decides how to treat syntax errors and incomplete solutions.
Safe workflow for coding papers
First identify the programming language and question constraints. Check OCR output for operators and structure. Evaluate explanation, pseudocode and code separately when the rubric does so.
Never execute extracted code automatically unless the environment is isolated and the institution has approved that workflow. Handwritten answers may contain incomplete or unsafe text that was never intended to run.
Good rubric components
Useful criteria include problem understanding, algorithm, correctness of control flow, data structure choice, edge-case handling, time and space complexity, syntax quality and explanation.
Weights should come from the faculty member who designed the assessment. The final score should remain editable and auditable.