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Solution 240502

Submitted on 5 May 2013 by Claudio Gelmi

Correct

35Size
Leading solution size is 20.
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
 
%%
x = [-1,-1,1,1];
y = [-1,1,1,-1];
d_correct = true;
assert(isequal(isSortedClockwise(x,y),d_correct))

                    
2
Pass
 
%%
x = [-1,-1,-2,-2];
y = [-1,1,1,-1];
d_correct = false;
assert(isequal(isSortedClockwise(x,y),d_correct))

                    
3
Pass
 
%%
x = [-1,-1,-2,-2];
y = [-1,1,1,-1];
d_correct = false;
assert(isequal(isSortedClockwise(x,y),d_correct))

                    
4
Pass
 
%%
x = [-6,-7,-2,1,1,-2];
y = [4,-7,-13,-11,0,5];
d_correct = false;
assert(isequal(isSortedClockwise(x,y),d_correct))

                    
5
Pass
 
%%
x = [-59,-59,-55,-51,-50,-46,-45,-45,-39,-40,-40,-41,-46,-50,-50];
y = [-68,-33, -5,-13,-28,-30,-20,-10, -8,-23,-34,-45,-48,-51,-51];
d_correct = true;
assert(isequal(isSortedClockwise(x,y),d_correct))

                    
6
Pass
 
%%
r=rand(100,15);
a=2*pi*rand(100,1);
d=2*(rand(100,1)>.5)-1;
x=r.*cos(a*ones(1,15)+d*2*pi*(0:14)/15);
y=r.*sin(a*ones(1,15)+d*2*pi*(0:14)/15);
assert(all(arrayfun(@(i)isequal(isSortedClockwise(x(i,:),y(i,:)),d(i)<0),1:100)))