Cody

# Problem 1471. Index of a Rational number

Solution 1929538

Submitted on 10 Sep 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
p=1; q=3; y_correct = 6; assert(isequal(cantor_rational2index(p,q),y_correct))

Error using factorial (line 20) N must be an array of real non-negative integers. Error in cantor_rational2index (line 2) k=factorial(p)/factorial(p-q) Error in Test1 (line 3) assert(isequal(cantor_rational2index(p,q),y_correct))

2   Fail
p=2; q=3; y_correct = 9; assert(isequal(cantor_rational2index(p,q),y_correct))

Error using factorial (line 20) N must be an array of real non-negative integers. Error in cantor_rational2index (line 2) k=factorial(p)/factorial(p-q) Error in Test2 (line 3) assert(isequal(cantor_rational2index(p,q),y_correct))

3   Fail
p=22; q=7; y_correct = 385; assert(isequal(cantor_rational2index(p,q),y_correct))

k = 859541760

Assertion failed.

4   Fail
p=355; q=113; y_correct = 108924; assert(isequal(cantor_rational2index(p,q),y_correct))

k = NaN

Assertion failed.