Problem 564. How to subtract?

Solution 1750844

Submitted on 14 Mar 2019 by Mark Sanderson

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

Test

Status

Code Input and Output

Pass

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

-7805848600844

Pass

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

-1

Pass

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

+80

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