Car sorting problem in vectors topic 4th lecture

#1

please tell what is syntax mean in below write

car( int price,int x,int y){

this->x=x;
this->y=y;

}

#2

the given constructor assigns the value passed to it to the data members of class car.
this is used reference data members of current class( it is required to let compiler know which x is assigned the value since normal x refers to constructor parameter and this->x refers to data member)

#3

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