Hey problem: http://www.spoj.com/problems/POSTERS/ Used seg trees to store all posters from position 1 to max of queries lazy propogation is used and after all poster queries did a last passing of lazy values till bottom Then at end counted values at bottom nodes (stored in wall[]) Can anyone come up with test cases where my code getting WA?

sol: http://pastebin.com/KYcUvpku