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Input The first line contains two integers N and S ( 1 <= N <= 10³ 1 <= S <= 10%), denoting the length of the list, and the target Sum. In the next line, there will be N integers a₁, a2,...... a (1 ≤ a ≤ 10) separated by space. Output Print two integers: the positions of the values [1 based indexing]. If there are several solutions, you may print any of them. If there are no solutions, print "IMPOSSIBLE". Sample Input 1 4 10 37 15 Sample Input 2 6 18 9 10 1 5 98 Sample Input 3 47 2468 Sample Input 4 3 12 61 2 Sample Output 1 12 Sample Output 2 15 [2 6 is also a valid answer] [print only one output] Sample Output 3 IMPOSSIBLE Sample Output 4 IMPOSSIBLE

Input The first line contains two integers N and S ( 1 <= N <= 10³ 1 <= S <= 10%), denoting the length of the list, and the target Sum. In the next line, there will be N integers a₁, a2,...... a (1 ≤ a ≤ 10) separated by space. Output Print two integers: the positions of the values [1 based indexing]. If there are several solutions, you may print any of them. If there are no solutions, print "IMPOSSIBLE". Sample Input 1 4 10 37 15 Sample Input 2 6 18 9 10 1 5 98 Sample Input 3 47 2468 Sample Input 4 3 12 61 2 Sample Output 1 12 Sample Output 2 15 [2 6 is also a valid answer] [print only one output] Sample Output 3 IMPOSSIBLE Sample Output 4 IMPOSSIBLE

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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Only need the ans for 2. Solve this using python. For the problem, take sample input from the picture into a file called "input.txt" and save the output in the "output.txt" file.
Your little brother, Alice, is very fond of playing with integers. One day, Alice was given a list of N integers by his school teacher. Now, your brother wants to play a game with you. Alice will give you an integer, S. You have to find if it is possible to find two values from the list (at distinct positions) whose sum is equal to S. Now you are feeling very tired. So you decided to write a code, so that it can give you the answer very quickly. 1) Can you write an O(n²) Solution to solve the problem? 2) Come up with an O(n) or 0 (nlogn) solution.
Transcribed Image Text:Your little brother, Alice, is very fond of playing with integers. One day, Alice was given a list of N integers by his school teacher. Now, your brother wants to play a game with you. Alice will give you an integer, S. You have to find if it is possible to find two values from the list (at distinct positions) whose sum is equal to S. Now you are feeling very tired. So you decided to write a code, so that it can give you the answer very quickly. 1) Can you write an O(n²) Solution to solve the problem? 2) Come up with an O(n) or 0 (nlogn) solution.
Input The first line contains two integers N and S ( 1 <= N <= 105 1 <= S <= 10), denoting the length of the list, and the target Sum. .,a (1 ≤ a S In the next line, there will be N integers a₁, a2, 10) separated by space. Output Print two integers: the positions of the values [1 based indexing]. If there are several solutions, you may print any of them. If there are no solutions, print "IMPOSSIBLE". Sample Input 1 4 10 37 15 Sample Input 2 6 18 9 10 1 5 98 Sample Input 3 47 2468 Sample Input 4 3 12 6 1 2 Sample Output 1 1 2 Sample Output 2 15 [2 6 is also a valid answer] [print only one output] Sample Output 3 IMPOSSIBLE Sample Output 4 IMPOSSIBLE
Transcribed Image Text:Input The first line contains two integers N and S ( 1 <= N <= 105 1 <= S <= 10), denoting the length of the list, and the target Sum. .,a (1 ≤ a S In the next line, there will be N integers a₁, a2, 10) separated by space. Output Print two integers: the positions of the values [1 based indexing]. If there are several solutions, you may print any of them. If there are no solutions, print "IMPOSSIBLE". Sample Input 1 4 10 37 15 Sample Input 2 6 18 9 10 1 5 98 Sample Input 3 47 2468 Sample Input 4 3 12 6 1 2 Sample Output 1 1 2 Sample Output 2 15 [2 6 is also a valid answer] [print only one output] Sample Output 3 IMPOSSIBLE Sample Output 4 IMPOSSIBLE
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