/in/foo.cc: In function 'long int parse_infix(char*, long long int*, char*)':
/in/foo.cc:73:22: warning: array subscript has type 'char' [-Wchar-subscripts]
    while (tabe[str[i]]<=tabe[stack[j]])
                      ^
/in/foo.cc:73:38: warning: array subscript has type 'char' [-Wchar-subscripts]
    while (tabe[str[i]]<=tabe[stack[j]])
                                      ^
/in/foo.cc:52:11: warning: unused variable 'k' [-Wunused-variable]
  long i,j,k;
           ^
/in/foo.cc: In function 'void format(char*)':
/in/foo.cc:99:7: warning: unused variable 'i' [-Wunused-variable]
  long i,j,k,l,a,b,c;
       ^
/in/foo.cc:99:9: warning: unused variable 'j' [-Wunused-variable]
  long i,j,k,l,a,b,c;
         ^
/in/foo.cc:99:11: warning: unused variable 'k' [-Wunused-variable]
  long i,j,k,l,a,b,c;
           ^
/in/foo.cc:99:15: warning: unused variable 'a' [-Wunused-variable]
  long i,j,k,l,a,b,c;
               ^
/in/foo.cc:99:17: warning: unused variable 'b' [-Wunused-variable]
  long i,j,k,l,a,b,c;
                 ^
/in/foo.cc:99:19: warning: unused variable 'c' [-Wunused-variable]
  long i,j,k,l,a,b,c;
                   ^
/in/foo.cc: In function 'void calc(long long int*, long long int*, long long int*)':
/in/foo.cc:111:13: warning: unused variable 'a' [-Wunused-variable]
  long i,j,k,a,b,c;
             ^
/in/foo.cc:111:15: warning: unused variable 'b' [-Wunused-variable]
  long i,j,k,a,b,c;
               ^
/in/foo.cc:111:17: warning: unused variable 'c' [-Wunused-variable]
  long i,j,k,a,b,c;
                 ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:190:38: warning: format '%c' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=]
    if (j>*prime) {printf("%c",'A'+i-1);}
                                      ^
/in/foo.cc:155:11: warning: unused variable 'k' [-Wunused-variable]
  long i,j,k,a,b,c,n;
           ^
/in/foo.cc:155:13: warning: unused variable 'a' [-Wunused-variable]
  long i,j,k,a,b,c,n;
             ^
/in/foo.cc:155:15: warning: unused variable 'b' [-Wunused-variable]
  long i,j,k,a,b,c,n;
               ^
/in/foo.cc:155:17: warning: unused variable 'c' [-Wunused-variable]
  long i,j,k,a,b,c,n;
                 ^