#include <iostream>
#include <string>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
using namespace std;
int main()
{
  float a;
  float b;
  float c;
  float d;
  float e;
  float f;
  float g;
  float h;
  float i;
  cout << "請輸入基礎潛力" <<  endl;
  cin >>a;
  b=a-20;
  c=b-36;
  d=c-1;
  if (d>0)
  {
  e=d+121;
  f=e-31;
  g=f-101;
  h=230/f*g;
  i=130+h;
  cout << "成功率=" <<  i  << "%" <<       endl;
  }
  else
  {
  cout << "不適用此公式"  <<    endl;
  }
 
 
 
 
 
 
 
  system("pause");
  return 0;
}

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