Discrete Mathematics
Problems related to graph theory, combinatorics, logic, etc.
Problems in this category
The problem involves analyzing data from a survey of 140 wedding guests regarding their preferred en...
Venn DiagramsSet TheoryInclusion-Exclusion PrincipleSurvey Analysis
2025/3/10
The problem asks whether the function defined by the table has an inverse. The table gives the valu...
FunctionsInverse FunctionsOne-to-one functionInjective function
2025/3/9
The problem involves tracing the execution of a C-like code snippet and determining the final values...
Algorithm AnalysisCode TracingConditional StatementsIncrement/Decrement Operators
2025/3/6
We are given a sequence $\{a_n\}$ with the initial term $a_1 = 2$ and the recursive relation $a_{n+1...
SequencesRecurrence RelationsGeometric Sequence
2025/3/6