Mistake Log Template

Use this after every practice set. The goal is to stop repeating the same mistake.

Date	Section	Question/topic	My wrong answer	Correct answer	Mistake type	Fix
					Concept / calculation / reading / time / silly

Mistake types

Concept mistake

You did not know the rule.

Fix:

• revise note,
• create flashcard,
• solve 5 similar questions.

Calculation mistake

You knew method but arithmetic failed.

Fix:

• slow down at final step,
• use approximation check,
• write units.

Reading mistake

You missed a word like not, except, distinct, integer division.

Fix:

• underline keywords,
• read options after question,
• check final line again.

Time mistake

You spent too long.

Fix:

• set skip limit,
• do easy questions first.

Coding mistake

Common causes:

• edge case missed,
• wrong loop boundary,
• wrong input format,
• extra output text.

Fix:

• test small cases manually,
• remove debug prints,
• check n=1, duplicates, negative values.