Cody

# Problem 47. Extract leading non-zero digit

Solution 414591

Submitted on 6 Mar 2014 by Swapnali Gujar
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Pass
%% x = [100 23 -34 0.005 -0.466664 -0.555 1 134534]; y_correct = [1 2 3 5 4 5 1 1]; assert(isequal(leadingDigit(x),y_correct))

a = 1 0 0 a = 2 3 a = - 3 4 a = 0 . 0 0 5 a = - 0 . 4 6 6 6 6 a = - 0 . 5 5 5 a = 1 a = 1 3 4 5 3 4

2   Pass
%% x = [57 -0.2 8913 -63 0.838127]; y_correct = [5 2 8 6 8]; assert(isequal(leadingDigit(x),y_correct))

a = 5 7 a = - 0 . 2 a = 8 9 1 3 a = - 6 3 a = 0 . 8 3 8 1 3

3   Pass
%% x = [-0.4336 0.3426 3.5784 2.7694 -1.3499]; y_correct = [4 3 3 2 1]; assert(isequal(leadingDigit(x),y_correct))

a = - 0 . 4 3 3 6 a = 0 . 3 4 2 6 a = 3 . 5 7 8 4 a = 2 . 7 6 9 4 a = - 1 . 3 4 9 9

4   Pass
%% x = [0.3000 -0.1 -0.00000002 0.5 0.002]; y_correct = [3 1 2 5 2]; assert(isequal(leadingDigit(x),y_correct))

a = 0 . 3 a = - 0 . 1 a = - 2 e - 0 8 a = 0 . 5 a = 0 . 0 0 2