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# Problem 44481. How many Fibonacci numbers?

Solution 2032520

Submitted on 23 Nov 2019 by Hung Trinh
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### Test Suite

Test Status Code Input and Output
1   Pass
x = [1 4 5 7 10 11 13 20 21 23 29]; y_correct = 4; assert(isequal(fib_count(x),y_correct))

b = 1 4 5 7 10 11 13 20 21 23 29 dem = 0 a = [] a = 1 a = 1 2 dem = 1 dem = 2 dem = 3 dem = 4 y = 4

2   Pass
x = 5:5:100; y_correct = 2; assert(isequal(fib_count(x),y_correct))

b = 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 dem = 0 a = [] a = 1 a = 1 2 dem = 1 dem = 2 y = 2

3   Pass
%x = [2 2 3 3 3 3 3 3 5 5 6 6 6 7 86168291600238450732788312165664788095941068326060883324529903470149056115823592713458328176574447204501]; % Changed the test suite to a number that can be represented as an integer in DOUBLE x = [2 2 3 3 3 3 3 3 5 5 6 6 6 7 8944394323791465]; y_correct = 3; assert(isequal(fib_count(x),y_correct))

b = 1.0e+15 * 0.0000 0.0000 0.0000 0.0000 0.0000 8.9444 dem = 0 a = [] a = 1 a = 1 2 dem = 1 dem = 2 dem = 3 y = 3

4   Pass
x = [2 2 3 3 3 3 3 3 5 5 6 6 6 7 8944394323791464]; y_correct = 4; assert(isequal(fib_count(x),y_correct))

b = 1.0e+15 * 0.0000 0.0000 0.0000 0.0000 0.0000 8.9444 dem = 0 a = [] a = 1 a = 1 2 dem = 1 dem = 2 dem = 3 dem = 4 y = 4

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