Cody

# Problem 44491. Shuffle

Solution 2679680

Submitted on 11 Jul 2020
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### Test Suite

Test Status Code Input and Output
1   Pass
filetext = fileread('shuffle.m'); assert(isempty(strfind(filetext, 'regexp')),'regexp hacks are forbidden')

2   Pass
v = [1, 2, 3, 4, 5, 6, 7, 8]; n = 1; w_correct = 8 : -1 : 1; assert(isequal(shuffle(v, n), w_correct))

cetvor = 8 7 6 5 4 3 2 1

3   Pass
v = [1; 2; 3; 4; 5; 6; 7; 8]; n = 2; w_correct = [7;8; 5;6; 3;4; 1;2]; assert(isequal(shuffle(v, n), w_correct))

cetvor = 7 8 5 6 3 4 1 2

4   Fail
v = [1, 2, 3, 4, 5, 6, 7, 8]; n = 3; w_correct = [6,7,8, 3,4,5, 1,2]; assert(isequal(shuffle(v, n), w_correct))

Error using reshape Number of elements must not change. Use [] as one of the size inputs to automatically calculate the appropriate size for that dimension. Error in shuffle (line 9) cetvor = reshape(cetvor,t) Error in Test4 (line 4) assert(isequal(shuffle(v, n), w_correct))

5   Pass
v = [1; 2; 3; 4; 5; 6; 7; 8]; n = 4; w_correct = [5;6;7;8; 1;2;3;4]; assert(isequal(shuffle(v, n), w_correct))

cetvor = 5 6 7 8 1 2 3 4

6   Fail
v = [1, 2, 3, 4, 5, 6, 7, 8]; n = 5; w_correct = [4,5,6,7,8, 1,2,3]; assert(isequal(shuffle(v, n), w_correct))

Error using reshape Number of elements must not change. Use [] as one of the size inputs to automatically calculate the appropriate size for that dimension. Error in shuffle (line 9) cetvor = reshape(cetvor,t) Error in Test6 (line 4) assert(isequal(shuffle(v, n), w_correct))

7   Fail
v = [1; 2; 3; 4; 5; 6; 7; 8]; n = 6; w_correct = [3;4;5;6;7;8; 1;2]; assert(isequal(shuffle(v, n), w_correct))

Error using reshape Number of elements must not change. Use [] as one of the size inputs to automatically calculate the appropriate size for that dimension. Error in shuffle (line 9) cetvor = reshape(cetvor,t) Error in Test7 (line 4) assert(isequal(shuffle(v, n), w_correct))

8   Fail
v = [1, 2, 3, 4, 5, 6, 7, 8]; n = 7; w_correct = [2,3,4,5,6,7,8, 1]; assert(isequal(shuffle(v, n), w_correct))

Error using reshape Number of elements must not change. Use [] as one of the size inputs to automatically calculate the appropriate size for that dimension. Error in shuffle (line 9) cetvor = reshape(cetvor,t) Error in Test8 (line 4) assert(isequal(shuffle(v, n), w_correct))

9   Pass
v = [1; 2; 3; 4; 5; 6; 7; 8]; n = 8; w_correct = [1;2;3;4;5;6;7;8]; assert(isequal(shuffle(v, n), w_correct))

cetvor = 1 2 3 4 5 6 7 8

10   Fail
v = [1, 2, 3, 4, 5, 6, 7, 8]; n = 9; w_correct = [1,2,3,4,5,6,7,8]; assert(isequal(shuffle(v, n), w_correct))

Index exceeds the number of array elements (8). Error in shuffle>pop (line 20) v = v(1:n); Error in shuffle (line 6) cetvor = [cetvor pop(vector,n)]; Error in Test10 (line 4) assert(isequal(shuffle(v, n), w_correct))