foo.c: In function 'main':
foo.c:7:17: warning: unused variable 'v' [-Wunused-variable]
  double l,q,x,y,v;
                 ^
foo.c:7:15: warning: unused variable 'y' [-Wunused-variable]
  double l,q,x,y,v;
               ^
foo.c:7:13: warning: unused variable 'x' [-Wunused-variable]
  double l,q,x,y,v;
             ^
foo.c:7:11: warning: unused variable 'q' [-Wunused-variable]
  double l,q,x,y,v;
           ^
foo.c:7:9: warning: unused variable 'l' [-Wunused-variable]
  double l,q,x,y,v;
         ^
foo.c:6:24: warning: unused variable 'n' [-Wunused-variable]
  int g,a,b,c=0,d,r,m=0,n=0,h;
                        ^
foo.c:6:18: warning: unused variable 'r' [-Wunused-variable]
  int g,a,b,c=0,d,r,m=0,n=0,h;
                  ^
foo.c:6:16: warning: unused variable 'd' [-Wunused-variable]
  int g,a,b,c=0,d,r,m=0,n=0,h;
                ^
foo.c:9:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&g);
  ^~~~~~~~~~~~~~

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