Cody

Problem 729. Flag largest magnitude swings as they occur

Solution 562490

Submitted on 21 Jan 2015 by Juan Moreta
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Test Suite

Test Status Code Input and Output
1   Pass
%% delta = [1 -3 4 2 -1 6 -2 -7] peaks = [1 -1 1 0 0 1 0 -1] assert(isequal(magnitude_swing(delta),peaks))

delta = 1 -3 4 2 -1 6 -2 -7 peaks = 1 -1 1 0 0 1 0 -1 peaks = 0 0 0 0 0 0 0 0 maxx = -Inf minn = Inf maxx = 1 peaks = 1 0 0 0 0 0 0 0 minn = -3 peaks = 1 -1 0 0 0 0 0 0 maxx = 4 peaks = 1 -1 1 0 0 0 0 0 maxx = 6 peaks = 1 -1 1 0 0 1 0 0 minn = -7 peaks = 1 -1 1 0 0 1 0 -1

2   Pass
%% delta = [1 4 5 -2 1 7 -4 -6 5 3] peaks = [1 1 1 -1 0 1 -1 -1 0 0] assert(isequal(magnitude_swing(delta),peaks))

delta = 1 4 5 -2 1 7 -4 -6 5 3 peaks = 1 1 1 -1 0 1 -1 -1 0 0 peaks = 0 0 0 0 0 0 0 0 0 0 maxx = -Inf minn = Inf maxx = 1 peaks = 1 0 0 0 0 0 0 0 0 0 maxx = 4 peaks = 1 1 0 0 0 0 0 0 0 0 maxx = 5 peaks = 1 1 1 0 0 0 0 0 0 0 minn = -2 peaks = 1 1 1 -1 0 0 0 0 0 0 maxx = 7 peaks = 1 1 1 -1 0 1 0 0 0 0 minn = -4 peaks = 1 1 1 -1 0 1 -1 0 0 0 minn = -6 peaks = 1 1 1 -1 0 1 -1 -1 0 0

3   Pass
%% delta = [1 4 5 -2 1 7 7 -4 -6 5 3] peaks = [1 1 1 -1 0 1 0 -1 -1 0 0] assert(isequal(magnitude_swing(delta),peaks))

delta = 1 4 5 -2 1 7 7 -4 -6 5 3 peaks = 1 1 1 -1 0 1 0 -1 -1 0 0 peaks = 0 0 0 0 0 0 0 0 0 0 0 maxx = -Inf minn = Inf maxx = 1 peaks = 1 0 0 0 0 0 0 0 0 0 0 maxx = 4 peaks = 1 1 0 0 0 0 0 0 0 0 0 maxx = 5 peaks = 1 1 1 0 0 0 0 0 0 0 0 minn = -2 peaks = 1 1 1 -1 0 0 0 0 0 0 0 maxx = 7 peaks = 1 1 1 -1 0 1 0 0 0 0 0 minn = -4 peaks = 1 1 1 -1 0 1 0 -1 0 0 0 minn = -6 peaks = 1 1 1 -1 0 1 0 -1 -1 0 0

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