Indiana Jones, a world-famous explorer, decides to test his luck in a lottery. But this lottery works in a unique fashion. The score for a ticket is the longest sequence of numbers on the ticket where each number is unique. Jones has a ticket of length n (meaning, there are n numbers on the lottery ticket), but he cannot figure out how to correctly calculate the score of his lottery ticket, so he asks for your help. Your objective is to help Jones in determining the score of his ticket.Input FormatThe first input line contains an integer n: the length of the lottery ticketThe next line has n integers l1, l2 ... ln : numbers on the ticketConstraints1 <= n <= 2000001 <= ki <= 109Output FormatPrint one integer : the score of the lottery ticket
Question
Indiana Jones, a world-famous explorer, decides to test his luck in a lottery. But this lottery works in a unique fashion. The score for a ticket is the longest sequence of numbers on the ticket where each number is unique. Jones has a ticket of length n (meaning, there are n numbers on the lottery ticket), but he cannot figure out how to correctly calculate the score of his lottery ticket, so he asks for your help. Your objective is to help Jones in determining the score of his ticket.Input FormatThe first input line contains an integer n: the length of the lottery ticketThe next line has n integers l1, l2 ... ln : numbers on the ticketConstraints1 <= n <= 2000001 <= ki <= 109Output FormatPrint one integer : the score of the lottery ticket
Solution
To solve this problem, you need to follow these steps:
-
Initialize a variable, say
max_length, to store the maximum length of unique numbers, and a dictionary, sayvisited, to store the numbers visited and their indices. -
Iterate over the numbers on the ticket. For each number, check if it is in the
visiteddictionary. If it is not, add it to the dictionary and continue to the next number. -
If the number is already in the
visiteddictionary,
Similar Questions
The first line of input consists of an integer N, representing the number of tickets.The second line consists of N space-separated integers, representing the ticket numbers.The third line consists of an integer X, representing the ticket number to search.Output format :If the ticket number is found, print "Congratulations! Ticket number X found at position Y!", where X is the ticket number and Y is the position (position starts from 1).Otherwise, print "Better luck next time! Ticket number X not found!", where X is the ticket number.
Rohan's VacationRohan was going on a long vacation across various cities in the world. He had made an itinerary containing all the information about his journey. He had flight tickets booked as well.Unfortunately, at the last minute, someone just ran into him and all his tickets fell on the floor.Help him to find the correct order of all the tickets by finding the correct path from source to destination.Input Format:First line of the input contains a number N, indicating the number of tickets he has.Next lines each contain two strings made of alphabets, each separated by a space, the src(source) and the dest (destination).Output format:Print a single line containing the entire journey plan (itinery) of Rahul.Constraints:1 <= N <= 5001 <= len(src), len(dest) <= 50Source and destination strings are made up of alphabets(uppercase/lowercase).Example Input:3DEL KOLMAA DELKOL GOAExample Output:MAA DEL KOL GOAExplanation:Given the tickets from DEL to KOL, MAA to DEL, KOL to GOA,If we arrange the properly, we can see that Rohan starts from MAA then goes to DEL,And then from DEL he has ticket to KOL and from KOL he has ticket to GOA, so we print his entire itinerary.
Rohan was going on a long vacation across various cities in the world. He had made an itinerary containing all the information about his journey. He had flight tickets booked as well.Unfortunately, at the last minute, someone just ran into him and all his tickets fell on the floor.Help him to find the correct order of all the tickets by finding the correct path from source to destination.Input Format:First line of the input contains a number N, indicating the number of tickets he has.Next lines each contain two strings made of alphabets, each separated by a space, the src(source) and the dest (destination).Output format:Print a single line containing the entire journey plan (itinery) of Rahul.
Winning the LotteryResponse • 30 pointshttps://www.flalottery.com/exptkt/lottoodds.pdfIn the above scenario, when there were 53 numbers to choose from, and players pick 6 numbers, the total number of combinations was 22,957,480. The calculations for this are shown step by step in the above image using the Combination formula. Use the information above to answer the following questions: 1. What are the odds of winning in this scenario with one winning ticket? 2. What would the odds of winning be if there are 54 numbers instead of 53 with one winning ticket?3. Suppose the Lottery Commission offers a Pick 5 game, where the players choose 5 out of 40 numbers. What would the odds of winning be if there are three winning tickets in this drawing?
A lottery director wanted to fairly choose four winners from a group of 41 participants.He assigned each participant a two-digit number from 01 to 41.(Let's consider "01", "02", etc. to be two-digit numbers.)He then selected the following line from a random number table.11548 55865 07304 47090 23637 57011 52861Starting from the left, he used the line above to form two-digit numbers as follows.11 54 85 ...Using this new list and starting from the left, he chose four two-digit numbers from 01 to 41.He skipped numbers he had already chosen, the number 00, and numbers greater than 41.The participants who were assigned these two-digit numbers were chosen.Which four participants were selected as the winners?Participant, Participant, Participant, Participant
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