/in/foo.cc: In function 'int main()':
/in/foo.cc:113:26: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
     for(int i=0;i<n;i++) gets(sm[i]);
                          ^~~~
In file included from /in/foo.cc:2:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.cc:113:36: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
     for(int i=0;i<n;i++) gets(sm[i]);
                                    ^
In file included from /in/foo.cc:2:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.cc:147:36: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
                 if(sm[i][j] == 'x' && (curArr[j] & 0x1)
                    ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
/in/foo.cc:149:49: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
                    || j>=1 && (curArr[j] & 0x1) && (curArr[RI] & 0x1)
                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
/tmp/ccGDHFt1.o: In function `main':
foo.cc:(.text.startup+0x51): warning: the `gets' function is dangerous and should not be used.