/in/foo.cc:6:7: error: stray '\357' in program
  for(i；i<=n;i++){
       ^
/in/foo.cc:6:8: error: stray '\274' in program
  for(i；i<=n;i++){
        ^
/in/foo.cc:6:9: error: stray '\233' in program
  for(i；i<=n;i++){
         ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:10: error: expected ';' before 'i'
  for(i；i<=n;i++){
          ^
/in/foo.cc:6:14: warning: statement has no effect [-Wunused-value]
  for(i；i<=n;i++){
              ^
/in/foo.cc:6:18: error: expected ';' before ')' token
  for(i；i<=n;i++){
                  ^