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josephusSGCLL.cpp
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73 lines (73 loc) · 1.12 KB
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#include<iostream>
using namespace std;
struct node
{
int data;
node*next;
};
node*first,*temp,*ttemp,*p;
void addnode()
{
ttemp= new node;
cin>>ttemp->data;
ttemp->next=nullptr;
if(!first)
{
first=temp=ttemp;
ttemp->next=first;
}
else
{ temp->next=ttemp;
ttemp->next=first;
temp=ttemp;
}
}
void josephus(node*&head,int n,int k)
{
temp=head;
int size;
for(int i=1;i<n;i++)
{
size=1;
ttemp=temp;
while(size!=k)
{
ttemp=temp;
temp=temp->next;
size++;
}
ttemp->next=temp->next;
delete temp;
temp=ttemp->next;
}
temp->next=temp;
head=temp;
}
void disp()
{
temp=first;
do
{
cout<<temp->data<<endl;
temp=temp->next;
}while(temp!=first);
}
int main()
{
first=temp=ttemp=nullptr;
int n;
cout<<"enter no. of people : ";
cin>>n;
for(int i=0;i<n;i++)
{
addnode();
}
cout<<endl;
disp();
cout<<endl;
cout<<"enter step size: ";
int k;
cin>>k;
josephus(first,n,k);
disp();
}