Cody

# Problem 44491. Shuffle

Solution 2589919

Submitted on 20 Jun 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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = 8 v = 1 2 3 4 5 6 7 v = 1 2 3 4 5 6 7 w = 8 b = 8 v = 1 2 3 4 5 6 7 w = 7 v = 1 2 3 4 5 6 v = 1 2 3 4 5 6 w = 7 b = 8 7 v = 1 2 3 4 5 6 w = 6 v = 1 2 3 4 5 v = 1 2 3 4 5 w = 6 b = 8 7 6 v = 1 2 3 4 5 w = 5 v = 1 2 3 4 v = 1 2 3 4 w = 5 b = 8 7 6 5 v = 1 2 3 4 w = 4 v = 1 2 3 v = 1 2 3 w = 4 b = 8 7 6 5 4 v = 1 2 3 w = 3 v = 1 2 v = 1 2 w = 3 b = 8 7 6 5 4 3 v = 1 2 w = 2 v = 1 v = 1 w = 2 b = 8 7 6 5 4 3 2 v = 1 w = 1 v = 1×0 empty double row vector v = 1×0 empty double row vector w = 1 b = 8 7 6 5 4 3 2 1 v = 1×0 empty double row vector w = 8 7 6 5 4 3 2 1 v = 8 7 6 5 4 3 2 1 n = 8 w = 8 7 6 5 4 3 2 1 x = 8 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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = 7 8 v = 1 2 3 4 5 6 v = 1 2 3 4 5 6 w = 7 8 b = 7 8 v = 1 2 3 4 5 6 w = 5 6 v = 1 2 3 4 v = 1 2 3 4 w = 5 6 b = 7 8 5 6 v = 1 2 3 4 w = 3 4 v = 1 2 v = 1 2 w = 3 4 b = 7 8 5 6 3 4 v = 1 2 w = 1 2 v = 0×1 empty double column vector v = 0×1 empty double column vector w = 1 2 b = 7 8 5 6 3 4 1 2 v = 0×1 empty double column vector w = 7 8 5 6 3 4 1 2 v = 7 8 5 6 3 4 1 2 n = 8 w = 7 8 5 6 3 4 1 2 x = 8 cer = 7 8 5 6 3 4 1 2

Output argument "cetvor" (and maybe others) not assigned during call to "shuffle". Error in Test3 (line 4) assert(isequal(shuffle(v, n), w_correct))

4   Pass
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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = 6 7 8 v = 1 2 3 4 5 v = 1 2 3 4 5 w = 6 7 8 b = 6 7 8 v = 1 2 3 4 5 w = 3 4 5 v = 1 2 v = 1 2 w = 3 4 5 b = 6 7 8 3 4 5 v = 1 2 w = 6 7 8 3 4 5 v = 6 7 8 3 4 5 1 2 n = 8 w = 6 7 8 3 4 5 1 2 x = 8 cetvor = 6 7 8 3 4 5 1 2

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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = 5 6 7 8 v = 1 2 3 4 v = 1 2 3 4 w = 5 6 7 8 b = 5 6 7 8 v = 1 2 3 4 w = 1 2 3 4 v = 0×1 empty double column vector v = 0×1 empty double column vector w = 1 2 3 4 b = 5 6 7 8 1 2 3 4 v = 0×1 empty double column vector w = 5 6 7 8 1 2 3 4 v = 5 6 7 8 1 2 3 4 n = 8 w = 5 6 7 8 1 2 3 4 x = 8 cer = 5 6 7 8 1 2 3 4

Output argument "cetvor" (and maybe others) not assigned during call to "shuffle". Error in Test5 (line 4) assert(isequal(shuffle(v, n), w_correct))

6   Pass
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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = 4 5 6 7 8 v = 1 2 3 v = 1 2 3 w = 4 5 6 7 8 b = 4 5 6 7 8 v = 1 2 3 w = 4 5 6 7 8 v = 4 5 6 7 8 1 2 3 n = 8 w = 4 5 6 7 8 1 2 3 x = 8 cetvor = 4 5 6 7 8 1 2 3

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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = 3 4 5 6 7 8 v = 1 2 v = 1 2 w = 3 4 5 6 7 8 b = 3 4 5 6 7 8 v = 1 2 w = 3 4 5 6 7 8 v = 3 4 5 6 7 8 1 2 n = 8 w = 3 4 5 6 7 8 1 2 x = 8 cer = 3 4 5 6 7 8 1 2

Output argument "cetvor" (and maybe others) not assigned during call to "shuffle". Error in Test7 (line 4) assert(isequal(shuffle(v, n), w_correct))

8   Pass
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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = 2 3 4 5 6 7 8 v = 1 v = 1 w = 2 3 4 5 6 7 8 b = 2 3 4 5 6 7 8 v = 1 w = 2 3 4 5 6 7 8 v = 2 3 4 5 6 7 8 1 n = 8 w = 2 3 4 5 6 7 8 1 x = 8 cetvor = 2 3 4 5 6 7 8 1

9   Fail
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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = 1 2 3 4 5 6 7 8 v = 0×1 empty double column vector v = 0×1 empty double column vector w = 1 2 3 4 5 6 7 8 b = 1 2 3 4 5 6 7 8 v = 0×1 empty double column vector w = 1 2 3 4 5 6 7 8 v = 1 2 3 4 5 6 7 8 n = 8 w = 1 2 3 4 5 6 7 8 x = 8 cer = 1 2 3 4 5 6 7 8

Output argument "cetvor" (and maybe others) not assigned during call to "shuffle". Error in Test9 (line 4) assert(isequal(shuffle(v, n), w_correct))

10   Pass
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))

v = 1 2 3 4 5 6 7 8 w = [] b = [] w = [] v = 1 2 3 4 5 6 7 8 n = 8 w = 1 2 3 4 5 6 7 8 x = 8 cetvor = 1 2 3 4 5 6 7 8