Cody

Problem 44377. Five steps to enlightenment

Solution 1293821

Submitted on 17 Oct 2017 by YIMIN ZHONG
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Test Suite

Test Status Code Input and Output
1   Pass
% X,Y X<Y between 2 and 100 [x,y]=find(triu(ones(100),1)); z=[x y]; valid=all(z>1,2); assert(fivesteps(z(valid,:))==true);
2   Pass
% X,Y X<Y between 2 and 60 [x,y]=find(triu(ones(60),1)); z=[x y]; valid=all(z>1,2); assert(fivesteps(z(valid,:))==false);
3   Pass
% X,Y X<Y between 2 and 1680 [x,y]=find(triu(ones(1680),1)); z=[x y]; valid=all(z>1,2); assert(fivesteps(z(valid,:))==true);
4   Pass
% X,Y X<Y between 2 and 1700 [x,y]=find(triu(ones(1700),1)); z=[x y]; valid=all(z>1,2); assert(fivesteps(z(valid,:))==false);
5   Pass
% X,Y X<Y between 1 and 20 [x,y]=find(triu(ones(20),1)); z=[x y]; valid=all(z>=1,2); assert(fivesteps(z(valid,:))==false);
6   Pass
% X,Y X<Y between 1 and 30 [x,y]=find(triu(ones(30),1)); z=[x y]; valid=all(z>=1,2); assert(fivesteps(z(valid,:))==true);
7   Pass
% X,Y X<Y between 1 and 40 [x,y]=find(triu(ones(40),1)); z=[x y]; valid=all(z>=1,2); assert(fivesteps(z(valid,:))==false);
8   Pass
% X,Y X<Y between 3 and 5000 [x,y]=find(triu(ones(3000),1)); z=[x y]; valid=all(z>=3,2); assert(fivesteps(z(valid,:))==true);
9   Pass
% X,Y X<Y between 3 and 100 [x,y]=find(triu(ones(100),1)); z=[x y]; valid=all(z>=3,2); assert(fivesteps(z(valid,:))==false);
10   Pass
% X,Y X<Y even between 2 and 40 [x,y]=meshgrid(2:2:40); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==false);
11   Pass
% X,Y X<Y odd between 1 and 1000 [x,y]=meshgrid(1:2:1000); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==true);
12   Pass
% X,Y X<Y non-primes between 1 and 50 [x,y]=meshgrid(setdiff(1:50,primes(50))); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==true);
13   Pass
% X,Y X<Y primes between 1 and 50 [x,y]=meshgrid(primes(50)); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==false);
14   Pass
% X,Y X<Y random subset [x,y]=meshgrid([3 5 12 18 20 28 30]); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==true);
15   Pass
% X,Y X<Y random subset [x,y]=meshgrid([3 5 12 15 28 30]); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==false);
16   Pass
% X,Y X<Y random subset [x,y]=meshgrid([2 4 6 8 12 16 18]); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==false);
17   Pass
% X,Y X<Y random subset [x,y]=meshgrid([4 6 8 12 16 18]); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==true);
18   Pass
% X,Y X<Y random subset [x,y]=meshgrid([2 3 10 14 15 20 21]); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==true);
19   Pass
% X,Y X<Y random subset [x,y]=meshgrid([2 3 5 8 10 14 15 20 21]); z=[x(:) y(:)]; valid=y>x; assert(fivesteps(z(valid,:))==false);

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