/in/foo.cc: In function 'void init()':
/in/foo.cc:29:26: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[111]' [-Wformat=]
         scanf("%s",&st[i]);
                          ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:64:26: warning: statement has no effect [-Wunused-value]
                 st[i][j] == '-';
                 ~~~~~~~~~^~~~~~