View Compilation Error

0_0_27580740_27054.cpp: In function 'int main()':
0_0_27580740_27054.cpp:5:5: error: expected initializer before 'double'
     double a,b,c;
     ^
0_0_27580740_27054.cpp:6:23: error: 'm' was not declared in this scope
     while(scanf("%d",&m)!=EOF){
                       ^
0_0_27580740_27054.cpp:8:28: error: 'a' was not declared in this scope
         scanf("%lf%lf%lf",&a,&b,&c);
                            ^
0_0_27580740_27054.cpp:8:31: error: 'b' was not declared in this scope
         scanf("%lf%lf%lf",&a,&b,&c);
                               ^
0_0_27580740_27054.cpp:8:34: error: 'c' was not declared in this scope
         scanf("%lf%lf%lf",&a,&b,&c);
                                  ^