what is make_pair inside v.push_back
what it mean is it a predfined word or we can define any word
Make_ pair understanding
hello @TheSourabh it is the predefined which is used to store the elements in pairs.
like if you want store some cordinates in any question like the x and y then you neet to store them in something this pair way only.
for this pairs are used in vector.
For this use you can use this:
and yes it is predefined and its sytanx of wrtiting this is:
v.push_back(make_pair(a,b));
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