Contest Clarifications
Problem 1007 : (n-1)/2*sin(2*pi/n) + sin(pi/n) 怎么就wa了
(n-1)/2*sin(2*pi/n) + sin(pi/n) 怎么就wa了(n-1)/2*sin(2*pi/n) + sin(pi/n) 怎么就wa了Leida_陈旭 at 2019-07-14 16:07:17
(n-1)/2*sin(2*pi/n) + sin(pi/n) 怎么就wa了(n-1)/2*sin(2*pi/n) + sin(pi/n) 怎么就wa了Leida_陈旭 at 2019-07-14 16:07:17