孩纸们、看见了嘛！再发C++就罚你跟你最丑的老师订契约！

其实…我想说，这个吧原来就是关于电脑程序的…被我们占领了

纳尼？！那我收回=3=，发吧。。我无视就好

不是吧。。。。。。。。

>3<这里是C罩杯吧

笨蛋米Q！才不是C罩杯吧了>-<

软妹萌

C罩杯吧需要你们的努力阿！

LCL橙汁吧

我们彼此拥抱，化作LCL吧。

C罩杯

好剽悍。。能联想到那么远。

彪悍的人生不需要解释。

我只是一个自学者而已....
void main(void)
{
     float a[3],b[3];
     int m;
     char x,e,k;
     x=1;
     while(1)
     {
         x=1;
         k=1;
         printf("请输入运行模式。 \n 1、加法 \n 2、减法 \n 3、求圆 \n");
         scanf("%d",&m);
         if(m==1)
         {    
             printf("成功载入加法模块！ \n");
             while(x)
             {
                 k=1;
                 printf("请输入两个数字。 \n");
                 scanf("%f%f",&a[0],&a[1]);
                 a[2]=a[0]+a[1];
                 printf("%f+%f=%f \n",a[0],a[1],a[2]);
                 while(k)
                 {
                     printf("退出加法模式？ Y/N \n");
                     scanf("%c",&e);
                         if(e=='y')
                         {
                             k=0;
                             x=0;
                             m=0;
                             printf("\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n ");


                         }
                         else
                         {
                             if(e=='n')
                             {
                                 k=0;
                             }
                         }
                        
                 }
             }
         }
         else
         {
             if(m==2)
             {
                 printf("成功载入减法模块！\n");
                 while(x)
                 {
                     printf("请输入两个数字。 \n");
                     k=1;
                     scanf("%f%f",&b[0],&b[1]);
                     b[2]=b[0]-b[1];
                     printf("%f-%f=%f \n",b[0],b[1],b[2]);


                     while(k)
                     {
                         printf("退出减法模式？ Y/N \n");
                         scanf("%c",&e);
                         if(e=='y')
                         {
                             k=0;
                             x=0;
                             m=0;
                             printf("\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n ");
                         }
                         else
                         {
                             if(e=='n')
                             {
                                 k=0;
                             }
                         }
                     }


                 }
             }
             else
             {
                 if(m>3)
                 {
                     printf("囧RZ \n \n \n");
                     x=0;
                     m=0;
                 }
                 else
                 {
                     if(m==3)
                     {
                         int r;
                         float d;
                         while(x)
                         {
                             printf("成功载入求圆（测试版） \n");
                             k=1;
                             printf("请输入圆的半径。 \n");
                              scanf("%d",&r);
                             d=3.14*r*r;


                             printf("圆的面积为：%f \n",d);
                             while(k)
                             {
                                 printf("退出求圆模式？ Y/N \n");
                                 scanf("%c",&e);
                                 if(e=='y')
                                 {
                                     k=0;
                                     x=0;
                                     m=0;
                                     printf("\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n ");
                                 }
                                 else
                                 {
                                     if(e=='n')


                                     {
                                         k=0;
                                     }        
                                    
                                 }
                             }
                         }
                     }
                 }        
             }
         }
     }
}