作业要求

https://edu.cnblogs.com/campus/jssf/infor_computation17-31/homework/10402

作业正文

代码

#include <stdio.h>

#include <ctype.h>

#include <time.h>

#include <stdlib.h>

#include <windows.h>

#define IDNO_LENGTH 6

#define CALC_KIND 4

 

char getSignal();

int getResult(int,int,char);

void takeTest();

void falsePrint(int);

void correctPrint(int);

 

//main函数

void main()

{

    while(1)

    {

        takeTest();

    }

     

}

 

//获取随机运算符

char getSignal()

{

    char signal[CALC_KIND]={'+','-','*','/'};

    srand((unsigned)time(NULL));

    return signal[rand()%4];

}

 

//获取随机数

int random(double start, double end)

{

    return (int)(start+(end-start)*rand()/(RAND_MAX+ 1.0));

}

 

//运算

int getResult(int num1,int num2,char signal)

{

    int res;

    switch(signal)

    {

    case '+':

        res=num1+num2;break;

    case '-':

        res=num1-num2;break;

    case '*':

        res=num1*num2;break;

    case '/':

        res=num1/num2;break;

    default:

        res=0;

        printf("运算符不符合规则\n");

    }

    return res;

}

 

//列出题目

void takeTest()

{

    int giveRes;

    int num1;

    int num2;

    char signal;

    int printFlag;

 

    srand((unsigned)time(NULL));

    signal=getSignal();

    num1=random(0,100);

    num2=random(1,100);

 

    if(signal=='-')

    {

        if(num1<num2)

        {

            int temp;

            temp=num1;

            num1=num2;

            num2=temp;

        }

    }

 

    if(signal=='/')

    {

        if(num2==0)

        {

            int temp;

            temp=num1;

            num1=num2;

            num2=temp;

        }

    }

 

    printf("%d%c%d=",num1,signal,num2);

    scanf("%d",&giveRes);

    fflush(stdin);

 

    if(getResult(num1,num2,signal)==giveRes)

    {

        printFlag=random(1,5);

        correctPrint(printFlag);

    }

    else

    {

        printFlag=random(1,4);

        falsePrint(printFlag);

        printf("正确答案:%d\n",getResult(num1,num2,signal));

    }

}

 

//回答正确打印信息

void correctPrint(int num)

{

    switch(num)

    {

    case 1:

        printf("You're right!\n");break;

    case 2:

        printf("It's OK!\n");break;

    case 3:

        printf("Correct!\n");break;

    case 4:

        printf("Perfect!\n");break;

    case 5:

        printf("Good!\n");break;

    default:

        printf("Powerful!\n");break;

    }

}

 

//回答错误打印信息

void falsePrint(int num)

{

    switch(num)

    {

    case 1:

        printf("You're lost!");break;

    case 2:

        printf("Failure!");break;

    case 3:

        printf("Come on!");break;

    case 4:

        printf("It's wrong!");break;

    default:

        printf("Incorrect!");break;

    }

}

运行结果

image

总结

代码完成有困难,只能完成部分功能,代码内容部分参考百度学习。

码云链接

https://gitee.com/chenyue666/MyGit/blob/master/源.cpp