Run id: 125119

Main.cc: In function 'int main()':
Main.cc:8:18: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
  int len=strlen(n);
                  ^
In file included from /usr/include/c++/5/cstring:42:0,
                 from Main.cc:2:
/usr/include/string.h:394:15: note:   initializing argument 1 of 'size_t strlen(const char*)'
 extern size_t strlen (const char *__s)
               ^
Main.cc:10:8: error: invalid types 'char[int]' for array subscript
  if(n[0]=='-') {
        ^
Main.cc:13:7: warning: statement has no effect [-Wunused-value]
  for(i; imax) {
         ^
Main.cc:15:11: error: invalid types 'char[int]' for array subscript
    max=n[i];
           ^