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Suppose you have an array 'A' consisting of N integers numbered from 1 to N.Let's define the M-beautiful number of the array as the minimum number that occurs in all of the subsegments of the array having length M . If there is no integer occuring in all subsegments of length M for some value of M, then the M-beautiful number is −1.For each k from 1 to n calculate the M-beautiful number of the array 'A'.Input FormatThe first line case contains one integer n — the number of elements in the array.The second line contains n integers a1,a2,…,an — the elements of the array.Constraints(1≤n≤3⋅10^5)(1≤ai≤n)Output FormatPrint n integers, where the i-th integer is equal to the i-beautiful number of the arraySample Input 051 1 3 2 4Sample Output 0-1 -1 3 1 1Sample Input 171 2 2 1 2 2 6Sample Output 1-1 2 2 1 1 1 1

Question

Suppose you have an array 'A' consisting of N integers numbered from 1 to N.Let's define the M-beautiful number of the array as the minimum number that occurs in all of the subsegments of the array having length M . If there is no integer occuring in all subsegments of length M for some value of M, then the M-beautiful number is −1.For each k from 1 to n calculate the M-beautiful number of the array 'A'.Input FormatThe first line case contains one integer n — the number of elements in the array.The second line contains n integers a1,a2,…,an — the elements of the array.Constraints(1≤n≤3⋅10^5)(1≤ai≤n)Output FormatPrint n integers, where the i-th integer is equal to the i-beautiful number of the arraySample Input 051 1 3 2 4Sample Output 0-1 -1 3 1 1Sample Input 171 2 2 1 2 2 6Sample Output 1-1 2 2 1 1 1 1

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Solution

This problem is about finding the M-beautiful number for each subsegment of length M in an array. Here are the steps to solve this problem:

  1. Read the input: The first line of input is the number of elements in the array. The second line contains the elements of the array.

  2. Initialize an array to keep track of the count of each number in the array. Also, initialize a priority queue to keep track of the minimum number that occurs in all subsegments of the array.

  3. Iterate over the array from 1 to n. For each iteration, update the count of the current number in the count array and add it to the priority queue.

  4. While the top of the priority queue is a number that does not occur in all subsegments of the current length, remove it from the queue.

  5. If the priority queue is empty, the M-beautiful number is -1. Otherwise, it is the number at the top of the queue.

  6. Print the M-beautiful number for each subsegment of length M.

Here is a Python code snippet that implements these steps:

from collections import defaultdict
from heapq import *

def solve(n, a):
    count = defaultdict(int)
    pq = []
    res = [-1] * n
    max_freq = [0] * (n + 1)
    for i in range(n):
        count[a[i]] += 1
        max_freq[count[a[i]]] = max(max_freq[count[a[i]]], a[i])
        while max_freq[i + 1]:
            res[i] = max_freq[i + 1]
            max_freq[i + 1] = 0
    return res

n = int(input().strip())
a = list(map(int, input().strip().split()))
print(' '.join(map(str, solve(n, a))))

This code reads the input, solves the problem, and prints the M-beautiful numbers for each subsegment of length M.

This problem has been solved

Similar Questions

Problem statementSend feedbackYou are given an array ‘A’ of length ‘N’. You say an index ‘i’ is beautiful if the sum of the first ‘i - 1’ elements of the array ‘A’ equals the sum of the last ‘N - i’ elements of the array ‘A’, where ‘i’ is in 1-based indexing. Now you wonder which is the leftmost beautiful index.Note: If you select the first index, then the sum of the prefix will be ‘0’, and if you select the last index, then the sum of the suffix will be ‘0’.Note: You have to print the index in 1-based indexing.For example:Let’s say the array ‘A’ = [1, 3, 1, 5], then if we select index ‘2’, the sum of the prefix is ‘1’, and the sum of the suffix is 1 + 5 = 6. Since the sum is not the same, hence index ‘2’ is not a beautiful index.Detailed explanation ( Input/output format, Notes, Images )Constraints -1 <= ‘T’ <= 101 <= ‘N’ <= 10^5 -10^9 <= A[i] <= 10^9, for 1 <= i <= ‘N’Note- Sum of ‘N’ over all test cases does not exceed 10^5.Time Limit: 1 secSample Input-1231 1 131 2 3Sample Output-12-1Explanation for Sample Input 1:For test case 1: Index ‘2’ is the leftmost beautiful index. The left sum is 1 and the right sum is also 1.For test case 2: No index is beautiful.Sample Input -2261 7 3 6 5 632 1 -1Sample Output -241

. A positive integer n > 1 is called beautiful if n can be written in one and only one way as n = a1 + a2 + · · · + ak = a1 · a2 · · · ak for some positive integers a1, a2, . . . , ak , where k > 1 and a1 ≥ a2 ≥ · · · ≥ ak . (For example 6 is beautiful since 6 = 3 · 2 · 1 = 3 + 2 + 1 , and this is unique. But 8 is not beautiful since 8 = 4 + 2 + 1 + 1 = 4 · 2 · 1 · 1 as well as 8 = 2 + 2 + 2 + 1 + 1 = 2 · 2 · 2 · 1 · 1 , so uniqueness is lost.) Find the largest beautiful number less than 100

aran wants to develop a program that uses linear search to find the majority element in an array, which is an element appearing more than n-2 times, where n is the size of the array. The program should input the size of the array and its elements. Display the majority element if found, and indicate if no majority element is present in the array.Help Saran in developing the program.Input format :The first line of input consists of an integer n, representing the number of elements in the array.The second line consists of n space-separated integers, representing the array elements.Output format :The output prints an integer representing the majority element.If no such element is found, print "No majority element found."

You are playing a game with your friend Ajay where Ajay gave you an array 'A' consisting of 'N' integers such that all the elements of the array does not exceed the value 'K'.Ajay has asked you to replace the minimum number of elements (replacement is the following operation: choose some index i from 1 to n and replace a[i] with some integer in range [1;k] ) to satisfy the following conditions:after all replacements, all a[i] are positive integers not greater than k;for all i from 1 to n/2 the following equation is true: a[i]+a[n]−i+1=x, where x should be the same for all n/2 pairs of elements.Note: It is guaranteed that 'N' is even.Input FormatThe first line contains two integers n and k — the length of a and the maximum possible value of some a[i] correspondingly. It is guratanteed that n is even .The second line of the test case contains n integers a1,a2,…,an, where ai is the i-th element of a.Constraints2≤n≤2⋅10^51≤k≤2⋅10^51≤a[i]≤kOutput FormatPrint the integer — the minimum number of elements you have to replace in a to satisfy the conditions from the problem statement.Sample Input 04 41 1 3 1Sample Output 01Sample Input 16 71 1 1 1 2 2Sample Output 11

You are given a 0-indexed integer array nums. A subarray s of length m is called alternating if:m is greater than 1.s1 = s0 + 1.The 0-indexed subarray s looks like [s0, s1, s0, s1,...,s(m-1) % 2]. In other words, s1 - s0 = 1, s2 - s1 = -1, s3 - s2 = 1, s4 - s3 = -1, and so on up to s[m - 1] - s[m - 2] = (-1)m.Return the maximum length of all alternating subarrays present in nums or -1 if no such subarray exists.A subarray is a contiguous non-empty sequence of elements within an array. Example 1:Input: nums = [2,3,4,3,4]Output: 4Explanation: The alternating subarrays are [3,4], [3,4,3], and [3,4,3,4]. The longest of these is [3,4,3,4], which is of length 4.Example 2:Input: nums = [4,5,6]Output: 2Explanation: [4,5] and [5,6] are the only two alternating subarrays. They are both of length 2.

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