using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { int n = Convert.ToInt32(Console.ReadLine()); ) { Console.WriteLine("必须大于0");…
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace 斐波那契数列求和 { class Program { static void Main(string[] args) { Console.WriteLine()); Console.WriteLine()); Console.WriteLine()…
头文件:#include <math.h> atan2() 函数用于求 y / x 的反正切值.其原型为: double atan2(double y, double x); [参数]x为坐标的X轴值,y为坐标的Y轴值.如果 x 和 y 的值都为 0,将会导致错误. atan2() 求坐标 x 和 y 的坐标的反正切值.反正切的角度值等于 X 轴与通过原点和给定坐标点的直线之间的夹角.结果以弧度表示,并介于 -π 到 π 之间. 在三角函数中,两个参数的函数 atan2() 是正切函数的…
#include<iostream> #include <cstdio> #include <cmath> using namespace std; const double PI =acos(-1.0); const double e = 2.71828182; int main() { double ans,res; int n; //斯特林定理求N!的位数 cin>>n; ans = 1.0/2*log10(2*PI*n)+n*log10(n/e);;…
Big Number Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 37732 Accepted Submission(s): 18174 Problem Description In many applications very large integers numbers are required. Some of these…