/in/foo.c: In function 'main':
/in/foo.c:6:11: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'double *' [-Wformat=]
   scanf("%d %d %d",&a,&m,&k);
           ^
/in/foo.c:6:14: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'double *' [-Wformat=]
   scanf("%d %d %d",&a,&m,&k);
              ^
/in/foo.c:6:17: warning: format '%d' expects argument of type 'int *', but argument 4 has type 'double *' [-Wformat=]
   scanf("%d %d %d",&a,&m,&k);
                 ^