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Correct

25185Size
Leading solution size is 23966.
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
 
%%
feval(@assignin,'caller','score',40000);

                    
2
Pass
 
%%
% Warm-Up Calls and functionality check
tic
c=randi(4,1024,48,'uint8')-1;
out = unique_rows_fast(c);
assert(isequal(unique(c,'rows'),out))
c=randi(4,2048,48,'uint8')-1;
out = unique_rows_fast(c);
assert(isequal(unique(c,'rows'),out))
c=randi(4,4096,48,'uint8')-1;
out = unique_rows_fast(c);
assert(isequal(unique(c,'rows'),out))
toc
Elapsed time is 0.115187 seconds.
3
Pass
 
%%
tic
c=randi(4,9000000,48,'uint8')-1;
toc
ta=clock;
out = unique_rows_fast(c);
t1=etime(clock,ta)*1000;
%assert(isequal(unique(c,'rows'),out)) % avoid time-out vs mem
t2=min(40000,t1); % unique scores memory crash
fprintf('Actual Time = %.0f msec\n',t1)
feval(@assignin,'caller','score',floor(t2));
Elapsed time is 15.627588 seconds.
Actual Time = 25185 msec