| Code Example: |
Generally, we include libraries at the start of the C++ code to perform certain operations as shown below.
#include <iostream>
#include <set>
#include <string>
#include <vector>
using namespace std;
int main()
{
cout << "GFG!";
return 0;
}
This “iostream” library performs the input-output operations in C++ code.
#include <iostream>
The “vector” library allows us to perform operations on vectors.
#include<set>
This includes all the standard libraries required in the program. So, we can avoid adding these many libraries separately to keep code as efficient and effective as possible.
#include<bits/stdc++.h>
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