Easy

06. Functions & Pass-by-Reference

Problem Objective

Write a function void swapValues(int& a, int& b) that swaps two integers in place using references without returning any value.

Expected Terminal OutputStandard Out

Before swap: x=10, y=20
After swap: x=20, y=10

[✓] Reference mutation verified (Time: 0.008s, Memory: 2.2 MB)

Execution Constraints

Implementation Checklist

Declare void swapValues(int& a, int& b)Swap variables via tempVerify mutated caller variables

main.cppg++ -std=c++20 -O2

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