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
Find common elements in matrix rows
Number of 1s in a binary string
Sum the numbers on the main diagonal
Find a Pythagorean triple
Find 100 from a Matrix and Replace With 0 with less computation time
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