View Compilation Error

0_0_23477585_22211.cpp: In function 'int main()':
0_0_23477585_22211.cpp:16:57: error: expected ')' before ';' token
   printf("%.2lf\n",sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
                                                         ^