How to write an overloaded << operator in C++ in order to print out an adjacencyList type object in (u, v) format? This has to do with Graph representations in C++. You can only use <iostream>, <list>, and <queue>. Nested for loops somewhere and an Iterator I think?
ostream& operator<<(ostream &, adjacencyList &object) //signature
Answer:-----------
// C++ program to print pair<> class
// by overloading "<<" operator
#include <iostream>
using namespace std;
// C++ template to print pair<>
// class by using template
template <typename T, typename S>
ostream& operator<<(ostream& os, const pair<T,
S>& v)
{
os << "(";
os << v.first << ", "
<< v.second << ")";
return os;
}
// Driver code
int main()
{
pair<int, int> pi{ 5, 7 };
cout << pi;
return 0;
}
How to write an overloaded << operator in C++ in order to print out an adjacencyList type object in (u, v) format? This has to do with Graph representations in C++. You can only use <iostream...
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