Cody

Problem 3095. Return fibonacci sequence do not use loop and condition version 2

Solution 2895809

Submitted on 31 Aug 2020
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Test Suite

Test Status Code Input and Output
1   Fail
% !/bin/cp fib.m safe % !/bin/rm *.* % !/bin/mv safe fib.m % Clean user's function from some known jailbreaking mechanisms functions={'!','feval','eval','str2func','str2num','regex','system','dos','unix','perl','assert','fopen','write','save','setenv','path','please','for','if','while','switch','round','roundn','fix','ceil','char','floor','\.','^','power'}; fid = fopen('fib.m'); st = char(fread(fid)'); for n = 1:numel(functions) st = regexprep(st, functions{n}, 'error(''No fancy functions!''); %','ignorecase'); end st = regexprep(st, 'function', 'error(''No fancy functions!''); %','ignorecase',2); fclose(fid); fid = fopen('fib.m' , 'w'); fwrite(fid,st); fclose(fid);

Error in solution: Line: 11 Column: 1 The function "pw" was closed with an 'end', but at least one other function definition was not. To avoid confusion when using nested functions, it is illegal to use both conventions in the same file.

2   Fail
n = 1:5; f = [1 1 2 3 5]; assert(isequal(fib(n),f))

Error in solution: Line: 11 Column: 1 The function "pw" was closed with an 'end', but at least one other function definition was not. To avoid confusion when using nested functions, it is illegal to use both conventions in the same file.

3   Fail
n = 7 : 10; f = [13 21 34 55]; assert(isequal(fib(n),f))

Error in solution: Line: 11 Column: 1 The function "pw" was closed with an 'end', but at least one other function definition was not. To avoid confusion when using nested functions, it is illegal to use both conventions in the same file.

4   Fail
n = 20 : 22; f = [ 6765 10946 17711]; assert(isequal(fib(n),f))

Error in solution: Line: 11 Column: 1 The function "pw" was closed with an 'end', but at least one other function definition was not. To avoid confusion when using nested functions, it is illegal to use both conventions in the same file.

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