Cody

# Problem 47. Extract leading non-zero digit

Solution 1218289

Submitted on 22 Jun 2017 by Augusto Mazzei
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### 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))

g = 100 y = 1 g = 23 y = 1 2 g = 34 y = 1 2 3 g = 0.0050 y = 1 2 3 5 g = 0.4667 y = 1 2 3 5 4 g = 0.5550 y = 1 2 3 5 4 5 g = 1 y = 1 2 3 5 4 5 1 g = 134534 y = 1 2 3 5 4 5 1 1

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

g = 57 y = 5 g = 0.2000 y = 5 2 g = 8913 y = 5 2 8 g = 63 y = 5 2 8 6 g = 0.8381 y = 5 2 8 6 8

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))

g = 0.4336 y = 4 g = 0.3426 y = 4 3 g = 3.5784 y = 4 3 3 g = 2.7694 y = 4 3 3 2 g = 1.3499 y = 4 3 3 2 1

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))

g = 0.3000 y = 3 g = 0.1000 y = 3 1 g = 2.0000e-08 y = 3 1 2 g = 0.5000 y = 3 1 2 5 g = 0.0020 y = 3 1 2 5 2