Cody

Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

Solution 2026317

Submitted on 18 Nov 2019 by Doan Quang Manh
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Test Suite

Test Status Code Input and Output
1   Pass
x = 1; y_correct = 0; assert(isequal(Sign_Changes(x),y_correct))
2   Pass
x =[7 1 2 -3]; y_correct =1; assert(isequal(Sign_Changes(x),y_correct))

N = 1
3   Pass
x =[7 1 -2 3]; y_correct =2; assert(isequal(Sign_Changes(x),y_correct))

N = 1 N = 2
4   Pass
x =[-7 -1 -2 -3 -9 -8]; y_correct =0; assert(isequal(Sign_Changes(x),y_correct))
5   Pass
x =[5 6 7 8 9 9]; y_correct =0; assert(isequal(Sign_Changes(x),y_correct))
6   Pass
x =[-5 6 7 8 9 -9]; y_correct =2; assert(isequal(Sign_Changes(x),y_correct))

N = 1 N = 2
7   Pass
x =[5 -6 7 -8 9 -9]; y_correct =5; assert(isequal(Sign_Changes(x),y_correct))

N = 1 N = 2 N = 3 N = 4 N = 5
8   Pass
x =[-5 6 -7 8 -9 9]; y_correct =5; assert(isequal(Sign_Changes(x),y_correct))

N = 1 N = 2 N = 3 N = 4 N = 5

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