Solution 1666109

Submitted on 5 Nov 2018 by li haitao
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Test Suite

Test Status Code Input and Output
1   Pass
x = 1; y1=-1; neg3(neg3(x)); assert(isequal(ans,y1))

2   Pass
x=2; y=3; z=4; neg3(x); assert(isequal(ans,2)) neg3(y); assert(isequal(ans,3)) neg3(x); assert(isequal(ans,-2)) neg3(z); assert(isequal(ans,4)) neg3(x); assert(isequal(ans,2)) neg3(z); assert(isequal(ans,-4))

3   Pass
x=0; y=10; neg3(x); assert(isequal(ans,0)) neg3(x); assert(isequal(ans,0)) neg3(y); assert(isequal(ans,10)) neg3(y); assert(isequal(ans,-10))