Main.c: In function 'main':
Main.c:3:1: error: unknown type name 'doouble'; did you mean 'double'?
    3 | doouble a;
      | ^~~~~~~
      | double
Main.c:5:14: warning: format '%lf' expects argument of type 'double *', but argument 2 has type 'int *' [-Wformat=]
    5 |     scanf("%lf%d%d",&a,&b,&c);
      |            ~~^      ~~
      |              |      |
      |              |      int *
      |              double *
      |            %d