摘要:
Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the experiment, all N balls are fastened with 阅读全文
摘要:
Demy has n jewels. Each of her jewels has some value vi and weight wi. Since her husband John got broke after recent financial crises, Demy has decide 阅读全文
摘要:
The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians 阅读全文