Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

Solution 322126

Submitted on 22 Sep 2013

Incorrect

2000Size
Leading solution size is 769.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
tic
feval(@assignin,'caller','score',2000);

                    
2
Fail
 
%%
% 2 1
global cseq
cseq{1}=1; % Gift answer
max_seq=find_max_swap_seq(2);
assert(isequal(1:2,unique(max_seq)))
cseq{2}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
Error: Output argument "ans" (and maybe others) not assigned during call to "/users/msssystem14/find_max_swap_seq.m>find_max_swap_seq".
3
Pass
 
%%
% 3 2
global cseq
max_seq=find_max_swap_seq(3);
assert(isequal(1:3,unique(max_seq)))
cseq{3}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 2
3 1 2
4
Pass
 
%%
% 4 4
global cseq
max_seq=find_max_swap_seq(4);
assert(isequal(1:4,unique(max_seq)))
cseq{4}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 4
3 1 4 2
5
Pass
 
%%
% 5 7
global cseq
max_seq=find_max_swap_seq(5);
assert(isequal(1:5,unique(max_seq)))
cseq{5}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 7
3 1 4 5 2
6
Pass
 
%%
% 6 10
global cseq
max_seq=find_max_swap_seq(6);
assert(isequal(1:6,unique(max_seq)))
cseq{6}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 10
4 5 6 2 1 3
7
Pass
 
%%
% 7 16
global cseq
max_seq=find_max_swap_seq(7);
assert(isequal(1:7,unique(max_seq)))
cseq{7}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 16
4 7 6 2 1 5 3
8
Pass
 
%%
% 8 22
global cseq
max_seq=find_max_swap_seq(8);
assert(isequal(1:8,unique(max_seq)))
cseq{8}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 22
6 1 5 7 8 3 2 4
9
Pass
 
%%
% 9 30
global cseq
max_seq=find_max_swap_seq(9);
assert(isequal(1:9,unique(max_seq)))
cseq{9}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 25
6 8 1 9 3 5 4 2 7
10
Pass
 
%%
%10 38
global cseq
max_seq=find_max_swap_seq(10);
assert(isequal(1:10,unique(max_seq)))
cseq{10}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 31
6 7 4 10 9 5 2 1 8 3
11
Pass
 
%%
%11 51
global cseq
max_seq=find_max_swap_seq(11);
assert(isequal(1:11,unique(max_seq)))
cseq{11}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 40
2 6 5 3 11 9 10 1 7 4 8
12
Pass
 
%%
%13 80 case 12
global cseq
max_seq=find_max_swap_seq(13);
assert(isequal(1:13,unique(max_seq)))
cseq{12}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 50
2 4 10 9 12 8 13 11 7 3 6 5 1
13
Pass
 
%%
%17 159 case 13
global cseq
max_seq=find_max_swap_seq(17);
assert(isequal(1:17,unique(max_seq)))
cseq{13}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 82
9 2 17 13 6 12 8 14 4 10 1 16 11 7 5 3 15
14
Pass
 
%%
%19 221 case 14
global cseq
max_seq=find_max_swap_seq(19);
assert(isequal(1:19,unique(max_seq)))
cseq{14}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 87
14 12 9 2 3 16 11 7 6 1 5 4 13 18 10 19 15 17 8
15
Pass
 
%%
%23 382 case 15
global cseq
max_seq=find_max_swap_seq(23);
assert(isequal(1:23,unique(max_seq)))
cseq{15}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 125
14 8 17 16 9 6 10 12 1 7 3 20 11 4 13 19 18 21 2 5 23 22 15
16
Pass
 
%%
%29 689 case 16
global cseq
max_seq=find_max_swap_seq(29);
assert(isequal(1:29,unique(max_seq)))
cseq{16}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
count 231
10 11 4 8 28 20 2 15 16 23 1 19 17 26 21 22 27 13 24 25 3 9 7 5 18 12 14 6 29
17
Pass
 
%%
%31 819 case 17
global cseq
max_seq=find_max_swap_seq(31);
assert(isequal(1:31,unique(max_seq)))
cseq{17}=max_seq;
 seq=max_seq;
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
fprintf('count %i\n',count)
fprintf('%i ',max_seq)
fprintf('\n')
toc
count 200
3 18 22 14 30 5 26 21 29 8 20 16 24 31 6 10 2 15 1 23 9 17 4 19 27 12 13 25 28 7 11
Elapsed time is 6.086758 seconds.
18
Fail
 
%%
global cseq
total=0;
for i=2:17
 seq=cseq{i};
 count=0;
 while seq(1)>1
  count=count+1;
  seq(1:seq(1))=seq(seq(1):-1:1);
 end
 total=total+count;
end
% 2531 is optimal sum
total=sum([0 1 2 4 7 10 16 22 30 38 51 80 159 221 382 689 819])-total;
assert(total<2001); % Minimum performance requirement
toc
feval(@assignin,'caller','score',min(2000,total));
Error: Index exceeds matrix dimensions.