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Solution 138404

Submitted on 12 Sep 2012 by James

Correct

21Size
Leading solution size is 21.
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
 
% I have rescored solutions , somme asserts were missing in the test suite

                    
2
Pass
 
%%
 x = sparse(100,1000,0.01);
y_correct = 4016;
assert(isequal(your_fcn_name(x),y_correct))
ans =
        4016
3
Pass
 
%%
x = sparse(10000,10000,pi);
y_correct = 40016
assert(isequal(your_fcn_name(x),y_correct))
y_correct =
       40016
ans =
       40016
4
Pass
 
%%
x = sparse(10,15);
y_correct = 76
assert(isequal(your_fcn_name(x),y_correct))
y_correct =
    76
ans =
    76
5
Pass
 
%%
B = [ 41    11     0
      52    22     0
      63    33    13
      74    44    24 ];
d = [-3
      0
      2];
x = spdiags(B,d,7,4)
y_correct = 140
assert(isequal(your_fcn_name(x),y_correct))
x =
   (1,1)       11
   (4,1)       41
   (2,2)       22
   (5,2)       52
   (1,3)       13
   (3,3)       33
   (6,3)       63
   (2,4)       24
   (4,4)       44
   (7,4)       74
y_correct =
   140
ans =
   140
6
Pass
 
%% Random sparse matrix (harder)
%x=sprand(100,1000,0.01);
%z = whos('x')
%y_correct = round(z.bytes)
%your_sol = round(your_fcn_name(x))
%assert(isequal(round(your_fcn_name(x)),y_correct))

                    
7
Pass
 
%% Prevents cheating
filetext = fileread('your_fcn_name.m')
 assert(isempty(strfind(filetext, 'whos')))
assert(isempty(strfind(filetext, 'who')))
filetext =
function ans = your_fcn_name(x)
12*nzmax(x)+4*size(x,2)+4
end
%This code written by profile_id 33802