设计十道随机问题

来源：互联网发布：matlab定义未知数组编辑：程序博客网时间：2024/06/06 20:51
/**烟台大学计算机学院*文件名称：main.cpp*作    者：王者健*完成日期：2016年6月11日*版 本 号：codeblocks 16.01*/#include <iostream>using namespace std;#include<ctime>#include<cstdlib>int main(){      int i,sum,right=0,num=1,n;      int x,y;      for(i=0;i<10;i++)      {            x=rand()%100;            y=1+rand()%100;            if(x<y)            {                  n=x;                  x=y;                  y=n;            }            cout<<"第"<<num<<"题:";            srand(time(0));            switch(x%4)            {                  case 0:                        {                        cout<<x<<"+"<<y<<"=";                        cin>>sum;                        if(sum==(x+y))                        {                              cout<<"right"<<endl;                              right++;                        }                        else                              cout<<"wrong"<<endl;                              break;                        }                  case 1:                        {                        cout<<x<<"-"<<y<<"=";                        cin>>sum;                        if(sum==(x-y))                        {                              cout<<"right"<<endl;                              right++;                        }                        else                              cout<<"wrong"<<endl;                              break;                        }                  case 2:                        {                        cout<<x<<"*"<<y<<"=";                        cin>>sum;                        if(sum==(x*y))                        {                              cout<<"right"<<endl;                              right++;                        }                        else                              cout<<"wrong"<<endl;                              break;                        }                  case 3:                        {                        cout<<x<<"/"<<y<<"=";                        cin>>sum;                        if(sum==(x/y))                        {                              cout<<"right"<<endl;                              right++;                        }                        else                              cout<<"wrong"<<endl;                              break;                        }            }            num++;      }      cout<<"做对了："<<right<<"道题，得分为："<<right*10;      return 0;};
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