HELP! Run Time Error on all test cases

#1

What is wrong with the codE? Please HELP!!

#2

Send me the code, nonetheless, technique is
take two pointers, both at head, move on of them k steps ahead
now move both together until the first one becomes null, at this point, wherever the other pointer was, that is kth from the end

#3

#include
using namespace std;
class Node {
public:
int data;
Node* next;
Node(int d) {
data = d;
}
};
void insert(Node* head, int d) {
if (head == NULL) {
head = new Node(d);
head->next = NULL;
return;
}
Node* temp = head;
while (temp->next) {
temp = temp->next;
}
Node* n = new Node(d);
temp->next = n;
n->next = NULL;
}
void print(Node head) {
Node temp = head;
while (temp) {
cout << temp->data << " ";
temp = temp->next;
}
}

int main() {
Node* head = NULL;
int n; cin >> n;
while (n–) {
int d; cin >> d;
insert(head, d);
}
int k; cin >> k;
Node* slow = head;
Node* fast = head;
while (k–)
fast = fast->next;
while (fast) {
fast = fast->next;
slow = slow->next;
}
cout << slow->data;
}

#4

it is very hard to read a code like this
can u please give me the ide link?

#5
#6
#7

Thank you very much. :’)