ancestors

Joe Biden has long dispelled accusations that he is “anti-British”, but a recent anecdote has landed the US President in hot water after alleging that he once said he “hates the English”.Mr. Biden reportedly made the scathing remark in a…

Given a graph in the form of an edge list and a directed graph, return all the ancestors of the nodes in any order. An ancestor is a node one step ahead in the hierarchy on the same path reachable to the current node. Note: The graph has no…

Producer's note: As a 60 Minutes producer, sometimes you read about a story that you just have to pursue. That was the case for me when I read Joe Heim's story in the Washington Post about the Miller family in southern Virginia,…

  #include <bits/stdc++.h>using namespace std;  unordered_map<int, int> ans;  unordered_map<int, int> freq;  set<pair<int, int> > s;  void addEdge(vector<int> adj, int u, int v){    adj.push_back(v);    …

When the first modern humans arose in East Africa sometime between 200,000 and 300,000 years ago, the world was very different compared to today. Perhaps the biggest difference was that we – meaning people of our species, Homo sapiens…