#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
	// NOTE: These are the nodes
	char *Names[5] =
		{
			"Mike",
			"Bob",
			"Anna",
			"Emma",
			"Nick"
		};

	// NOTE: These are the edges
	// for now everyone can only like two other people
	int Likes[5][2] =
		{
			{1,3}, // Mike likes Bob and Emma
			{4,3},
			{0,4},
			{2,4},
			{1,2}
		};

	// NOTE: if you wanted to be able to have as much edges as possible
	// you could use a 2D-Array with the size of the number
	// of Nodes. These Arrays are called adjacency-matrices.
	// But these are inherently inefficient, when you have a graph with
	// few connections.

	// there are also other ways like storing the edges in the nodes
	// in a list of pointers etc

	// TODO: print out everyone, who likes one, which likes them back.
	// if you want to you can try to prevent duplicates like A likes B
	// and B likes A, but this is not required.
	printf("%s and %s both like each other.\n", "Nobody", "No one");
}