Problem 145. Increment a number, given its digits

Solution 559576

Submitted on 18 Jan 2015 by Lukas

This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Lukas on 18 Jan 2015

How can I get rid of the for-loop?

yurenchu on 20 Mar 2017

Replace the for-loop simply by: y = yy - '0' , or by: y = yy - 48 .

Test	Status	Code Input and Output
1	Pass	%% x = [1 2 3]; y_correct = [1 2 4]; assert(isequal(incrementor(x),y_correct)) y = 1 y = 1 2 y = 1 2 4
2	Pass	%% x = [1 9 1 9]; y_correct = [1 9 2 0]; assert(isequal(incrementor(x),y_correct)) y = 1 y = 1 9 y = 1 9 2 y = 1 9 2 0
3	Pass	%% x = [9 9 9]; y_correct = [1 0 0 0]; assert(isequal(incrementor(x),y_correct)) y = 1 y = 1 0 y = 1 0 0 y = 1 0 0 0

Test

Status

Code Input and Output

Pass

%% x = [1 2 3]; y_correct = [1 2 4]; assert(isequal(incrementor(x),y_correct))

y = 1 y = 1 2 y = 1 2 4

Pass

%% x = [1 9 1 9]; y_correct = [1 9 2 0]; assert(isequal(incrementor(x),y_correct))

y = 1 y = 1 9 y = 1 9 2 y = 1 9 2 0

Pass

%% x = [9 9 9]; y_correct = [1 0 0 0]; assert(isequal(incrementor(x),y_correct))

y = 1 y = 1 0 y = 1 0 0 y = 1 0 0 0