Cody

# Problem 563. How to add?

Solution 120557

Submitted on 30 Jul 2012 by Khaled Hamed
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### Test Suite

Test Status Code Input and Output
1   Pass
%% X='98765432109876543210987654321098765432109876543210987654321'; Y='98765432109876543210987654321098765432109876543210987654321'; Z='197530864219753086421975308642197530864219753086421975308642'; assert(isequal(dda(X,Y),Z))

``` a = Columns 1 through 10 18 16 14 12 10 8 6 4 2 0 Columns 11 through 20 18 16 14 12 10 8 6 4 2 0 Columns 21 through 30 18 16 14 12 10 8 6 4 2 0 Columns 31 through 40 18 16 14 12 10 8 6 4 2 0 Columns 41 through 50 18 16 14 12 10 8 6 4 2 0 Columns 51 through 59 18 16 14 12 10 8 6 4 2 ans = 00197530864219753086421975308642197530864219753086421975308642 ```

2   Pass
%% X='6546468768680988454345'; Y='5757557542432424209808098908085353545657657'; Z='5757557542432424209814645376854034534112002'; assert(isequal(dda(X,Y),Z))

``` a = Columns 1 through 10 5 7 5 7 5 5 7 5 4 2 Columns 11 through 20 4 3 2 4 2 4 2 0 9 8 Columns 21 through 30 0 14 5 13 14 13 6 16 7 14 Columns 31 through 40 13 9 13 3 14 12 13 10 10 11 Columns 41 through 43 9 9 12 ans = 0005757557542432424209814645376854034534112002 ```

3   Pass
%% X='122'; Y='323'; Z='445'; assert(isequal(dda(X,Y),Z))

``` a = 4 4 5 ans = 000445 ```

4   Pass
%% X='767678686868667868635435353545'; Y='465464643244242424249787979'; Z='768144151511912111059685141524'; assert(isequal(dda(X,Y),Z))

``` a = Columns 1 through 10 7 6 7 10 13 13 10 14 10 14 Columns 11 through 20 10 11 8 10 11 10 10 10 10 5 Columns 21 through 30 9 6 7 14 10 13 10 14 11 14 ans = 000768144151511912111059685141524 ```