View Compilation Error

0_0_38844270_19477.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
    1 | #include #include int main(int argc, char *argv[]){ double x1,y1,x2,y2; while(EOF != scanf("%lf%lf%lf%lf",&x1,&y1,&x2,&y2)) { printf("%lf\n",sqrt(pow(x1-x2,2)+pow(y1-y2,2))); } return 0;}
      |          ^