如何制作一个计算器程序，有点很难哦

Question

Answer 1

你题目的解答代码如下：

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main()
{
    int x, y, m, k, c, i, f=0;
    srand((unsigned)time(NULL));
    for( i=0; i<10; i++ )
    {
        x = rand() % 10 + 1;
        y = rand() % 10 + 1;
        m = rand() % 4;
        if (m==0)
        {
            printf("%d + %d = ", x, y);
            k = x+y;
        }
        else if (m==1)
        {
            printf("%d - %d = ", x+y, y);
            k = x;
        }
        else if (m==2)
        {
            printf("%d * %d = ", x, y);
            k = x*y;
        }
        else if (m==3)
        {
            printf("%d / %d = ", x*y, y);
            k = x;
        }
        scanf("%d", &c);
        if(c==k)
        {
            f += 10;
            printf("回答正确\n");
        }
        else
        {
            printf("回答错误\n");
        }
    }
    printf("得分：%d",f);
    return 0;
}

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