Cody

# Problem 1506. Maximum Intra-Vector Swaps

Solution 282991

Submitted on 16 Jul 2013 by Jean-Marie Sainthillier
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### Test Suite

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

2   Pass
%% % 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')

count 1 2 1

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 2 3 1

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 15 4 1 3 6 7 5 2

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 27 5 9 8 3 2 1 6 7 4

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 32 3 5 4 7 10 1 9 6 2 8

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 43 3 11 9 4 1 8 6 10 2 7 5

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 54 7 10 13 9 3 2 8 4 6 12 1 11 5

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 85 9 17 12 2 3 5 15 8 6 4 11 7 16 1 13 14 10

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 113 7 13 16 6 9 18 4 15 11 19 12 3 8 14 2 5 1 17 10

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 134 4 13 6 23 9 3 2 22 8 19 1 5 14 18 21 15 11 12 17 7 10 16 20

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 168 24 3 17 10 4 12 25 28 2 8 6 13 19 23 26 9 27 5 20 15 22 18 29 11 1 21 7 14 16

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 230 2 11 7 17 13 18 22 16 20 21 30 12 14 3 26 29 9 19 31 10 28 23 6 1 25 4 8 24 27 5 15 Elapsed time is 4.892511 seconds.

18   Pass
%% 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));

Elapsed time is 4.927975 seconds.