zoukankan      html  css  js  c++  java
  • 第二周实验(代码 截图 设计思路)

    #include<iostream>
    #include<cstdlib>
    #include<ctime>
    using namespace std;
    #define random(x) (rand() % x)
    int gcd(int a, int b)
    {
          if (b == 0)return a;
    	  else return gcd(b, a%b);
    	
    }
    int main()
    {
    	  int n = 30, a, b, i, d, e, s, f, a1, b1, d1, e1;
    	  char syb;
    	  srand(time(NULL));
    	  while (n--)
    	  {
    	   s = random(2);
           a = random(99); a++;
    	   b = random(99); b++;
    	   i = random(4);
    	   if (s)
    	  {                
           d = random(99); d++;
    	   e = random(99); e++;
    	   a %= b, d %= e;        
    	   f = gcd(a, b); 
    	   a /= f, b /= f;
    	   f = gcd(d, e);
    	   d /= f, e /= f;
    	   a1 = a*e, b1 = b*e, d1 = b*d;
    	   if (i == 0)
    		  {        
    			    a1 += d1; syb = '+';
    				
    		   }
    	   else if (i == 1)
    		  {
    				 a1 -= d1; syb = '-';
    				
    		   }
    	   else if (i == 2)
    		   {
                     a1 = a*d; syb = '*';
    				
    		   }
    		else if (i == 3)
    		   {
                   a1 = a*e;
    		       b1 = b*d; syb = '/';
    				
    			}
    		    f = gcd(abs(a1), b1);
    		    a1 /= f, b1 /= f;
    			cout << a << "/" << b << " " << syb << " " << d << "/" << e << " = " << a1 << "/" << b1 << endl;
    			
    		}
    		 else
    		 {
    			 b1 = 0;
    			 if (i == 0)
    		     {
    	          a1 = a + b; syb = '+';
    			  }
    			else if (i == 1)
    			{
    			  a1 = a - b; syb = '-';
    			}
    			else if (i == 2)
    			{
    		      a1 = a*b; syb = '*';
    			}
    			else if (i == 3)
    			{
    			  a1 = a / b;
    			  b1 = a%b;
    		      syb = '/';
    			}
    			cout << a << " " << syb << " " << b << " = " << a1;
    			if (b1)cout << "+" << b1 << "/" << b;
    			cout << endl;
    			
    		}
    		
    	}
    	     return 0;
    	
    }



      

  • 相关阅读:
    bobojquery筛选数组之grep、each、inArray、map的用法及遍历json对象 [转]
    bobojquery遍历json键值对
    python安装与初始
    Lambda表达式
    静态代理模式
    多线程
    java日期时间
    Git安装
    Node.js环境安装
    Maven的使用
  • 原文地址:https://www.cnblogs.com/lrhan/p/5269188.html
Copyright © 2011-2022 走看看