Cody

Problem 2800. arithmetic progression

Solution 1906038

Submitted on 20 Aug 2019 by Graham
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Test Suite

Test Status Code Input and Output
1   Pass
nterms = 10; term0 = randi(10); increment = (-1)^randi(2)*randi(10); correctsequence = term0:increment:term0+(nterms-1)*increment; for position = 1:nterms errorsequence = correctsequence; errorsequence(position) = errorsequence(position) + (-1)^randi(2)*randi(50); [errorposition, truesequence] = find_error(errorsequence); assert(errorposition == position && isequal(truesequence, correctsequence), 'failed test 1 at position %d', position); end
2   Pass
nterms = 201; term0 = randi(10); increment = (-1)^randi(2)*randi(10); correctsequence = term0:increment:term0+(nterms-1)*increment; for position = 1:10:nterms errorsequence = correctsequence; errorsequence(position) = errorsequence(position) + (-1)^randi(2)*randi(50); [errorposition, truesequence] = find_error(errorsequence); assert(errorposition == position && isequal(truesequence, correctsequence), 'failed test 2 at position %d', position); end

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