Run id: 6271

Main.cc:11:15: warning: multi-character character constant [-Wmultichar]
     char _max='-1';
               ^
Main.cc: In function 'int main()':
Main.cc:10:22: error: expected unqualified-id before ';' token
     int n=strlen(s1),;
                      ^
Main.cc:11:15: warning: overflow in implicit constant conversion [-Woverflow]
     char _max='-1';
               ^