@harit..
logic plz.. not the code..
On Wed, Jul 14, 2010 at 9:50 PM, harit agarwal <agarwalha...@gmail.com>wrote:
> this is O(n) solution and using O(n) space.......
>
> #include<iostream>
> #include<vector>
> #include<stack>
> using namespace std;
> void leader_count(vector<int> v,int *ar)
> {
> stack<int> s;
> int n=v.size();
> int i=n-1;
> while(i>=0)
> {
> if(s.empty())
> {
> ar[--n]=0;
> s.push(i);
> i--;
> }
> else
> {
> if(v[i] >= v[s.top()])
> {
> ar[--n]=s.top();
> s.push(i);
> i--;
> }
> else
> {
> s.pop();
> }
> }
> }
> for(int i=v.size()-1;i>=0;i--)
> if(ar[i]!=0)
> ar[i]=ar[ar[i]]+1;
>
> }
> main()
> {
> int i;
> vector<int> v;
> while(cin>>i)
> v.push_back(i);
> int *ar=new int[v.size()];
> leader_count(v,ar);
> for(int i=0;i<v.size();i++)
> cout<<ar[i]<<" ";
> }
>
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--
With Regards
Ankur Aggarwal
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