long long binpow(long long a, long long b) {
if (b == 0)
return 1;
long long res = binpow(a, b / 2);
if (b % 2)
return res * res * a;
else
return res * res;
}
<?php
// The Philosophy of Open Source Software to Make your Life more Easy and Freedom and Powerful.
?>
Welcome to NSR Information Systems Website, Make your Business more easy and powerful with our IT Solutions Services.
NSR Information Systems is a small business in the Kingdom of Bahrain, our field in information technology and systems, we provide excellent services for our customers, We provide the best of our knowledge and expertise and support services to the benefit of customers and users.
Basic Programs +(Open Source)
We are design dynamic and interactive websites according to W3C organization web standards and other technologies they provide, as well as design standards for user interfaces compatible with various screens devices, with CIW (Certified Internet Web Professional) standards.