View Compilation Error

0_0_23330240_15105.cpp:6:5: error: stray '\243' in program
     double s,u；
     ^
0_0_23330240_15105.cpp:6:5: error: stray '\273' in program
0_0_23330240_15105.cpp: In function 'int main()':
0_0_23330240_15105.cpp:7:2: error: expected initializer before 'double'
  double v,y;
  ^
0_0_23330240_15105.cpp:11:30: error: 'u' was not declared in this scope
          scanf("%lf %lf",&s,&u);
                              ^
0_0_23330240_15105.cpp:12:10: error: 'y' was not declared in this scope
          y=atan(1/s)-atan(1/u);
          ^
0_0_23330240_15105.cpp:13:10: error: 'v' was not declared in this scope
          v=1/tan(y);
          ^