/in/foo.cc: In function 'int main()':
/in/foo.cc:154:26: 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:154:36: 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:201:51: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
                             if (sm[i][j+l] == 'x' && (curArr[j] & 0x1)
                                 ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
/in/foo.cc:203:64: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
                                 || j >= 1 && (curArr[j] & 0x1) && (curArr[RI] & 0x1)
                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
/tmp/ccn8cB6o.o: In function `main':
foo.cc:(.text.startup+0x9f): warning: the `gets' function is dangerous and should not be used.