i'm stuck on this problem
http://lightoj.com:81/volume/problem/1187
forum says there is an O(n) greedy and an nlog(n) solution with BIT/segtree .can you give any hint or idea so i can get closer to solve this.
any hint to solve lightoj 1187
i'm stuck on this problem
http://lightoj.com:81/volume/problem/1187
forum says there is an O(n) greedy and an nlog(n) solution with BIT/segtree .can you give any hint or idea so i can get closer to solve this.