E. Sasha and Array 题目连接: http://codeforces.com/contest/719/problem/E Description Sasha has an array of integers a1, a2, ..., an. You have to perform m queries. There might be queries of two types: 1 l r x - increase all integers on the segment from l…
C. Sasha and Array time limit per test:5 seconds memory limit per test:256 megabytes input:standard input output: standard output Sasha has an array of integers a1, a2, ..., an. You have to perform m queries. There might be queries of two types: 1 l…
Problem Description Given a binary string S[1,...,N] (i.e. a sequence of 0's and 1's), and Q queries on the string.There are two types of queries:1. Flipping the bits (i.e., changing all 1 to 0 and 0 to 1) between l and r (inclusive).2. Counting the…