/in/foo.c: In function 'main':
/in/foo.c:57:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'double' [-Wformat=]
     printf("%d\n",sum);
              ^
/in/foo.c:71:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'double' [-Wformat=]
     printf("%d\n",sum);
              ^
/in/foo.c:42:21: warning: 'minj' may be used uninitialized in this function [-Wmaybe-uninitialized]
         oil[minj][1]=oil[i][1];
         ~~~~~~~~~~~~^~~~~~~~~~