View Compilation Error

0_0_38850960_16847.cpp: In function 'int main()':
0_0_38850960_16847.cpp:15:41: error: expected '}' at end of input
   15 | d=sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));//两点间距离公式
      |                                         ^
0_0_38850960_16847.cpp:13:1: note: to match this '{'
   13 | {
      | ^
0_0_38850960_16847.cpp:15:41: error: expected '}' at end of input
   15 | d=sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));//两点间距离公式
      |                                         ^
0_0_38850960_16847.cpp:7:1: note: to match this '{'
    7 | {
      | ^