View Compilation Error

0_0_15188617_14461.cpp:11:5: error: stray '\243' in program
     double s = Math sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)）；
     ^
0_0_15188617_14461.cpp:11:5: error: stray '\251' in program
0_0_15188617_14461.cpp:11:5: error: stray '\243' in program
0_0_15188617_14461.cpp:11:5: error: stray '\273' in program
0_0_15188617_14461.cpp:1:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_15188617_14461.cpp:2:1: error: expected unqualified-id before 'public'
 public class  Main{
 ^