Problem 563. How to add?

Solution 1972043

Submitted on 11 Oct 2019

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Test	Status	Code Input and Output
1	Fail	X='98765432109876543210987654321098765432109876543210987654321'; Y='98765432109876543210987654321098765432109876543210987654321'; Z='197530864219753086421975308642197530864219753086421975308642'; assert(isequal(dda(X,Y),Z)) Z = '197530864219753096094956441992073913350638633609188199104512' Assertion failed.
2	Fail	X='6546468768680988454345'; Y='5757557542432424209808098908085353545657657'; Z='5757557542432424209814645376854034534112002'; assert(isequal(dda(X,Y),Z)) Z = '5757557542432424704086577619338922343530496' Assertion failed.
3	Pass	X='122'; Y='323'; Z='445'; assert(isequal(dda(X,Y),Z)) Z = '445'
4	Fail	X='767678686868667868635435353545'; Y='465464643244242424249787979'; Z='768144151511912111059685141524'; assert(isequal(dda(X,Y),Z)) Z = '768144151511912211247896985600' Assertion failed.