有關Errand Assignment的找七格寫法
感謝我們的書卷一EVA妹妹提供

int n,k,x,y,b,c,i,j;

           bool mark[1000];

           n = int::Parse(txtN->Text);
           k = int::Parse(txtK->Text);
               for(j = 0; j < n; j++)
               mark[j] = false;
               y = 0;
               i = 0;
               do{ x = (x+1) % n;
               if(mark[x] == false )
                      y++;
               if( y == k ){
                  mark[x] = true;
                      y = 0;
                      i++;}
                 }while( i < n-1 );

                for( b = 0; b < n ;b++){
                if(mark[b] == false)
                       c = b;
                       if(b == 0)
                       c = n;
                 }
               label2->Text = c.ToString();