Problem 564. How to subtract?

Solution 1355159

Submitted on 23 Nov 2017

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Giuseppe Ridinò on 23 Nov 2017

Need to calculate the difference ... not the sum! :)

Test	Status	Code Input and Output
1	Fail	X='+68768686834554'; Y='+76574535435398'; Z_correct='-7805848600844'; assert(isequal(mysub(X,Y),Z_correct)) Assertion failed.
2	Fail	X='+1'; Y='+2'; Z_correct ='-1'; assert(isequal(mysub(X,Y),Z_correct)) Assertion failed.
3	Fail	X='+100'; Y='+20'; Z_correct ='+80'; assert(isequal(mysub(X,Y),Z_correct)) Assertion failed.

Test

Status

Code Input and Output

Fail

X='+68768686834554'; Y='+76574535435398'; Z_correct='-7805848600844'; assert(isequal(mysub(X,Y),Z_correct))

Assertion failed.

Fail

X='+1'; Y='+2'; Z_correct ='-1'; assert(isequal(mysub(X,Y),Z_correct))

Assertion failed.

Fail

X='+100'; Y='+20'; Z_correct ='+80'; assert(isequal(mysub(X,Y),Z_correct))

Assertion failed.