/in/foo.cc:134:8: error: stray '\357' in program
   ptr--； 
        ^
/in/foo.cc:134:9: error: stray '\274' in program
   ptr--； 
         ^
/in/foo.cc:134:10: error: stray '\233' in program
   ptr--； 
          ^
/in/foo.cc: In function 'void add(int, int)':
/in/foo.cc:50:17: error: 'heads' was not declared in this scope
  memchi[gn].nxt=heads[s];
                 ^~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:135:3: error: expected ';' before 'for'
   for(register int i=heads[me]; i; i=memchi[i].nxt) {
   ^~~
/in/foo.cc:135:33: error: 'i' was not declared in this scope
   for(register int i=heads[me]; i; i=memchi[i].nxt) {
                                 ^
/in/foo.cc:151:23: error: 'fheads' was not declared in this scope
    for(register int i=fheads[me]; i; i=memchi[i].nxt) {
                       ^~~~~~
/in/foo.cc: In function 'int get()':
/in/foo.cc:25:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^