Amazon SDE - 1 interview questions

Round-1 https://www.geeksforgeeks.org/find-a-triplet-that-sum-to-a-given-value/ similar question but should print all unique triplets Discussed two solutions and coded both of them Asked about the project Round-2 Question 1 --->Suppose linked in want apply a rule to avoid spam request A can set connection request to B only in A and B are connected to some extent say connected with k can be done using BFS Question2--> https://www.geeksforgeeks.org/count-ways-reach-nth-stair-using-step-1-2-3/ Asked about project Round-3 https://practice.geeksforgeeks.org/problems/add-all-greater-values-to-every-node-in-a-bst/1 https://www.geeksforgeeks.org/reverse-a-list-in-groups-of-given-size/ Asked question from DBMS,OS,Computer networks

a matrix mutation question and critical connection