Hi everyone.I am stuck in some problems of USACO,specifically I am not getting any idea of how we can approach this problems.So if anyone knows how to solve this problems that would be helpful.The problems are as follows. 1) Haybale stacking problem.The link of the problem is here http://www.usaco.org/index.php?page=viewproblem2&cpid=104 2) The lazy cow problem.The link of the problem is here http://www.usaco.org/index.php?page=viewproblem2&cpid=416