/in/foo.c: In function 'main':
/in/foo.c:7:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
gets(s);
^~~~
In file included from /in/foo.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/in/foo.c:6:29: warning: unused variable 'p' [-Wunused-variable]
int a[10000]={0},i,j=0,k=0,p=0,r=0,m=0,len;
^
/in/foo.c:6:21: warning: unused variable 'j' [-Wunused-variable]
int a[10000]={0},i,j=0,k=0,p=0,r=0,m=0,len;
^
/tmp/ccKOvgpi.o: In function `main':
foo.c:(.text.startup+0x4c): warning: the `gets' function is dangerous and should not be used.