Cody

Problem 44491. Shuffle

Solution 2679041

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   Fail
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 5 3 1 8 6 4 2

Assertion failed.

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))

cetvor = 6 7 8 3 4 5 8 1 2

Assertion failed.

5   Fail
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 1 6 2 7 3 8 4

Assertion failed.

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))

cetvor = 4 5 6 7 8 7 8 1 2 3

Assertion failed.

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))

cetvor = 3 5 4 6 5 7 6 8 7 1 8 2

Assertion failed.

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))

cetvor = 2 3 4 5 6 7 8 3 4 5 6 7 8 1

Assertion failed.

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 17) v = v(1:n); Error in shuffle (line 5) cetvor = [cetvor pop(vector,n)]; Error in Test10 (line 4) assert(isequal(shuffle(v, n), w_correct))

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