a = 10
b = 20
a = 20
b = 10
The test case is not correct.
I cleaned up the test.
duplicate of 262
swap algorithm without auxiliary variables
Which doors are open?
How to find the position of an element in a vector without using the find function
Narcissistic number ?
Convert Fahrenheit to Celsius
Find 100 from a Matrix and Replace With 0 with less computation time
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