Structure of Graph
template<size_t n>
struct Node {
float pos[n],
}
template<size_t n>
struct Edge {
uint32_t num_edge_nodes,
Node<n> nodes[],
}
template<size_t n>
struct Graph {
uint32_t num_nodes,
Node<n> nodes[],
uint32_t num_edges,
Edge<n> edges[],
}