If you go to Wikipedia and type "List of heads of state", you'll find a list of current heads of state (and heads of government, when they are not the same person). I'll leave it to you to check which of these qualify as "presidents".
All countries want oil because all countries use oil as a fuel source
All lists are linked lists; there is no such thing as a separate "sorted list". There are algorithms that can sort a list, of course, but they all work on linked lists.
The top of a stack implemented as a linked list is the head of the list. All insertions and extractions occur at the head thus a forward list (singly-linked list) is sufficient to implement a stack.
All of them.
Linear list for example is array, linked list, stack, ... It is called linear because all elements in those data structures are in linear sequence. We have first and the last elements in the list. If there is N elements in list, we know that all elements are in such sequence na, na+1. Non-linear structures would be trees and graphs.
Ten muslim presidents name.
lista de presidentes de tudos os paises africanos
where did the presidents live before they where presidents
A list of all the Presidents of the United States and their terms in office can be found by using the link to the Wikipedia article posted on this office and the office holders, or by clicking on the ordered list of us presidents link.
For a list of all presidents of the Dominican Republic, click here.
No, generally only presidents of countries who give many speeches.
There are dozens of books that list all the presidents with their pictures. Or, you can google "US Presidents" and click on images.
A list of all of the US presidents since the 1900s can be found online at places like US President Election. This list begins with George Washington and ends currently (2014) with Barrack Obama.
It is not possible to name all the presidents and prime ministers of all the countries in the world. Barack Obama is the current president of the US while David Cameron is the current PM for UK.
It is generally accepted that there are 196 countries in the world, 193 of which are member states of the United Nations. That's a lot of information you're requesting! Check the list of UN member states to start getting the names you need.
list all us presidents since 1950
A list of all the US's presidents would begin with George Washington and end with the current president Barrack Obama. You can see a complete list online at WhiteHouse.gov.