Problem 564. How to subtract?

Solution 1288519

Submitted on 16 Oct 2017 by Marco Castelli

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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)) Z = '-7805848600844'
2	Pass	X='1'; Y='2'; Z_correct ='-1'; assert(isequal(mysub(X,Y),Z_correct)) Z = '-1'
3	Pass	X='100'; Y='20'; Z_correct ='80'; assert(isequal(mysub(X,Y),Z_correct)) Z = '80'

Test

Status

Code Input and Output

Pass

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

Z = '-7805848600844'

Pass

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

Z = '-1'

Pass

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

Z = '80'

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