Limits 1s, 32 MB
Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need crayons of Na, Nb, Nc, Nd and Ne distinct colors respectively. The shop has a strange rule. There are M crayons in the shop arranged in a row numbered from 1 to M. If you want to buy crayons, you have to choose two numbers L and R where 1 ≤ L ≤ R ≤M and then you have to buy all the crayons numbered from L to R.
This is a companion discussion topic for the original entry at https://toph.co/p/crayons