Cody

# Problem 1187. Knave in the middle attack

Solution 189545

Submitted on 11 Jan 2013
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### Test Suite

Test Status Code Input and Output
1   Fail
%% A=true; X=@isprime; str='X(4)'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),true))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

2   Fail
%% A=false; X=@isprime; str='X(4)'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),false))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

3   Fail
%% A=true; X=@isprime; str='A==true'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),true))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

4   Fail
%% A=false; X=@isprime; str='A==true'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),true))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

5   Fail
%% A=true; X=@isprime; str='F(''A==true'')'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),false))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

6   Fail
%% A=false; X=@isprime; str='F(''A==true'')'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),true))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

7   Fail
%% A=true; X=@isprime; str='diff(X(2:3))'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),true))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

8   Fail
%% A=false; X=@isprime; str='diff(X(2:3))'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),false))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

9   Fail
%% A=true; X=@isprime; str='A==X(6)'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),false))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

10   Fail
%% A=false; X=@isprime; str='A==X(6)'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),false))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

11   Fail
%% A=true; X=@isprime; str='A&any(X(1:3))'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),true))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

12   Fail
%% A=false; X=@isprime; str='A&any(X(1:3))'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),true))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

13   Fail
%% A=true; X=@(x)rem(x,2); str='F(''F(''''X(3)'''')'')'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),false))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```

14   Fail
%% A=false; X=@(x)rem(x,2); str='F(''F(''''X(3)'''')'')'; f0=inline('logical(interp1([0,1],[0,x],1))','x','A','X'); F=@(str)xor(~A,f0(eval(str),A,X)); clear A X; assert(isequal(AnswerGenerator(F,str),true))

```Error: Undefined function 'AnswerGenerator' for input arguments of type 'function_handle'. ```