Cody

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

Solution 2069153

Submitted on 25 Dec 2019
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Test Suite

Test Status Code Input and Output
1   Pass
% !/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);

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

Error: File: fib.m Line: 8 Column: 1 This statement is not inside any function. (It follows the END that terminates the definition of the function "fib".) Error in Test2 (line 3) assert(isequal(fib(n),f))

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

Error: File: fib.m Line: 8 Column: 1 This statement is not inside any function. (It follows the END that terminates the definition of the function "fib".) Error in Test3 (line 3) assert(isequal(fib(n),f))

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

Error: File: fib.m Line: 8 Column: 1 This statement is not inside any function. (It follows the END that terminates the definition of the function "fib".) Error in Test4 (line 3) assert(isequal(fib(n),f))

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