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Problem 43015. Number of primes

Solution 3642788

Submitted on 13 Nov 2020 by Andrew Newell
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Test Suite

Test Status Code Input and Output
1   Pass
x = 1; y_correct = 0; assert(isequal(Nprimes(x),y_correct))
2   Pass
x = -1; y_correct = 0; assert(isequal(Nprimes(x),y_correct))
3   Pass
x = 10; y_correct = 4; assert(isequal(Nprimes(x),y_correct))
4   Pass
x = 1e3; y_correct = 168; assert(isequal(Nprimes(x),y_correct))
5   Pass
x = 1e4; y_correct = 1229; assert(isequal(Nprimes(x),y_correct))
6   Pass
x = 1e8; y_correct = 5761455; assert(isequal(Nprimes(x),y_correct))
7   Pass
x = -1e8; y_correct = 0; assert(isequal(Nprimes(x),y_correct))

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