ex03-13.cpp

来自「在c环境下的对数据结构进行讲解,包含有例题及答案」· C++ 代码 · 共 26 行

//EX03-13.cpp
#include <iostream.h>
#include <conio.h>
#include <math.h>	//exp()
#include <iomanip.h> //setw
void main()
{ float x,ex=0,xn,fn;
  int i;
  cout << "Enetr x=";
  cin >> x;
  cout<<"exp(x)="<<exp(x)<<"\n";
  cout<<"No Near Error %\n";
  for (i=0;i<=15;i+=1)
  { cout<<setw(3)<<i;
    xn=1;
    int j;
    for(j=1;j<=i;j++)
    xn = xn*x;
    fn=1;
    for(j=1;j<=i;j++)
    fn=fn*j;
    ex=ex+xn/fn;
    cout <<' '<<ex<<"=>"<<ex/exp(x)*100<<endl;
  }
  getch();
}