Cody

# Problem 44227. Divisible by 21

Solution 1251734

Submitted on 15 Aug 2017
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### Test Suite

Test Status Code Input and Output
1   Fail
x = 11; assert(isequal(divisible_by_21(x),0))

Error using factor (line 20) N must be a scalar. Error in divisible_by_21 (line 2) ismember(7,factor(str2num(fliplr(sprintf('%c*1+%c*3+%c*2+%c*6+%c*4+%c*5+',fliplr(x)))))) && ismember(3, factor(sum(x))); Error in Test1 (line 1) x = 11; assert(isequal(divisible_by_21(x),0))

2   Fail
x = 20; assert(isequal(divisible_by_21(x),0))

Error using factor (line 20) N must be a scalar. Error in divisible_by_21 (line 2) ismember(7,factor(str2num(fliplr(sprintf('%c*1+%c*3+%c*2+%c*6+%c*4+%c*5+',fliplr(x)))))) && ismember(3, factor(sum(x))); Error in Test2 (line 1) x = 20; assert(isequal(divisible_by_21(x),0))

3   Fail
x = 217; assert(isequal(divisible_by_21(x),0))

Error using factor (line 20) N must be a scalar. Error in divisible_by_21 (line 2) ismember(7,factor(str2num(fliplr(sprintf('%c*1+%c*3+%c*2+%c*6+%c*4+%c*5+',fliplr(x)))))) && ismember(3, factor(sum(x))); Error in Test3 (line 1) x = 217; assert(isequal(divisible_by_21(x),0))

4   Fail
x = 231; assert(isequal(divisible_by_21(x),1))

Error using factor (line 20) N must be a scalar. Error in divisible_by_21 (line 2) ismember(7,factor(str2num(fliplr(sprintf('%c*1+%c*3+%c*2+%c*6+%c*4+%c*5+',fliplr(x)))))) && ismember(3, factor(sum(x))); Error in Test4 (line 1) x = 231; assert(isequal(divisible_by_21(x),1))

5   Fail
x = 2240; assert(isequal(divisible_by_21(x),0))

Error using factor (line 20) N must be a scalar. Error in divisible_by_21 (line 2) ismember(7,factor(str2num(fliplr(sprintf('%c*1+%c*3+%c*2+%c*6+%c*4+%c*5+',fliplr(x)))))) && ismember(3, factor(sum(x))); Error in Test5 (line 1) x = 2240; assert(isequal(divisible_by_21(x),0))

6   Fail
x = 1236123; assert(isequal(divisible_by_21(x),1))

Error using factor (line 20) N must be a scalar. Error in divisible_by_21 (line 2) ismember(7,factor(str2num(fliplr(sprintf('%c*1+%c*3+%c*2+%c*6+%c*4+%c*5+',fliplr(x)))))) && ismember(3, factor(sum(x))); Error in Test6 (line 1) x = 1236123; assert(isequal(divisible_by_21(x),1))

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