软件工程个人作业02

 1 #include<iostream>
 2 #include<time.h>
 3 using namespace std;
 4 
 5 int cheng=1,kuo,ma,mi,jia,yu,amount;//分别为有没有乘除法，几个数之间的运算，取值范围，有没有负数，有没有余数
 6 
 7 
 8 void produce(int cheng1,int kou1,int ma1,int mi1,int jia1,int yu1,int amount)
 9 {
10     srand((unsigned)time(NULL));//产生随机种子
11     int jihe[10][30];
12     for(int i=0;i<amount;i++)
13     {
14         int e=rand()%2;//两种情况，当为0时为整数四则运算，当为1时为真分数
15      if(e==0)
16      {
17          for(int i=0;i<kou1;i++)
18          {
19              jihe[i][j]=rand()%100;
20          }
21         for(int i=0;i<kou1-1;i++)
22          {
23              jihe[i][j]=rand()%100;
24          }//产生加减乘除四种情况
25         switch(c)
26         {
27             case 0: cout<<a<<"+"<<b<<"=?";break;
28         
29             case 1: cout<<a<<"-"<<b<<"=?";break;
30         
31             if(cheng==1)
32             {
33             case 2: cout<<a<<"*"<<b<<"=?";break;
34         
35             case 3: while(b==0)//去掉分母为零的情况
36                     {
37                     srand((unsigned)time(NULL));
38                     b=rand()%100;
39                     }
40                     cout<<a<<"/"<<b<<"=?";
41             }
42         }
43         cout<<endl;
44      }
45      else
46      {
47         int a=rand()%100;
48         int b=rand()%100;
49         int d=rand()%100;
50         int e=rand()%100;
51         int c=rand()%4;
52         if(b==0)//去掉分母为零的情况
53         {
54           b=rand()%100;
55         }
56         if(e==0)
57         {
58           e=rand()%100;
59         }
60         if(a>b)
61         {
62             int x;
63             x=a;
64             a=b;
65             b=x;
66         }
67         if(d>e)
68         {
69             int x;
70             x=e;
71             e=d;
72             d=x;
73         }
74         switch(c)
75         {
76             case 0: cout<<"("<<a<<"/"<<b<<")"<<"+"<<"("<<d<<"/"<<e<<")"<<"=?";break;
77         
78             case 1: cout<<"("<<a<<"/"<<b<<")"<<"-"<<"("<<d<<"/"<<e<<")"<<"=?";break;
79         
80             case 2: cout<<"("<<a<<"/"<<b<<")"<<"*"<<"("<<d<<"/"<<e<<")"<<"=?";break;
81         
82             case 3: while(b==0)
83                     {
84                     srand((unsigned)time(NULL));
85                     b=rand()%100;
86                     }
87                     cout<<"("<<a<<"/"<<b<<")"<<"/"<<"("<<d<<"/"<<e<<")"<<"=?";
88         }
89         cout<<endl;
90      }
91     }
92 }