How to take the input(random pointer) form user?

#1

in the code video they didnt show how to take the input from user as value and random pointer

#2

@rkrrockstar89 its a normal integer only as you can see in the sample input…you can take input easily. The input format is:
int n
n lines containing: val, index

#3

index should be a pointer rgt?

#4

@ishita index should be a pointer right?? to point to the given data in that index

#5

@rkrrockstar89 please see the sample input given in the question, its an integer

#6

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#7

@rkrrockstar89 hey for input you have to use hashing ,see this function for your reference:

Node* createList(int num,unordered_map<Node*,int> &Random,int i,unordered_map<int,Node*> &node_number){
    if(num == 0) {
        node_number[-1] = NULL;
        return NULL;
    }
    int a,b; cin>>a>>b;
    Node* n = new Node(a);
    n->next = createList(num-1,Random,i+1,node_number);
    Random[n] = b;
    node_number[i] = n;
    return n;
}
#8

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