## Codeforces Round 449 – Problem E

Problem E:Willem Chtholly and Seniorious Statement: You are given an array A of length n.There are four type of operations : 1. 1 l r x :means it is type 1 operation.you have to add x to each element of array A for index that lies in the range [l,r]. 2. 2 l r x… Read More »