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You are given a binary string str. In a single operation, you can choose two indices L and R such that 1 ≤L≤R≤N and complement the characters between L and Ri.e strL, strL+1,, strp. By complement, w mean change character 0 to 1 and vice-versa. You task is to perform ATMOST one operation such that in final string number of 1s is maximised. If there is no need to completement, i.e., string contains all 1s, return -1. Else, return the two values denoting L and R. If there are multiple solutions, return the lexicographically smallest pair of L and R.

You are given a binary string str. In a single operation, you can choose two indices L and R such that 1 ≤L≤R≤N and complement the characters between L and Ri.e strL, strL+1,, strp. By complement, w mean change character 0 to 1 and vice-versa. You task is to perform ATMOST one operation such that in final string number of 1s is maximised. If there is no need to completement, i.e., string contains all 1s, return -1. Else, return the two values denoting L and R. If there are multiple solutions, return the lexicographically smallest pair of L and R.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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You are given a binary string str. In a single operation, you can choose two indices Land R such that 1 ≤L≤R≤N and complement the characters between L and R i.e strL, strL+1,, strp. By complement, we mean change character 0 to 1 and vice-versa. You task is to perform ATMOST one operation such that in final string number of 1s is maximised. If there is no need to completement, i.e., string contains all 1s, return -1. Else, return the two values denoting L and R. If there are multiple solutions, return the lexicographically smallest pair of L and R.
Transcribed Image Text:You are given a binary string str. In a single operation, you can choose two indices Land R such that 1 ≤L≤R≤N and complement the characters between L and R i.e strL, strL+1,, strp. By complement, we mean change character 0 to 1 and vice-versa. You task is to perform ATMOST one operation such that in final string number of 1s is maximised. If there is no need to completement, i.e., string contains all 1s, return -1. Else, return the two values denoting L and R. If there are multiple solutions, return the lexicographically smallest pair of L and R.
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