运行 ID: 308929

Main.cc:4:2: error: expected initializer before ‘int’
  int i;
  ^~~
Main.cc:5:2: error: expected unqualified-id before ‘for’
  for(i=1000;i<=9999;i++){
  ^~~
Main.cc:5:13: error: ‘i’ does not name a type
  for(i=1000;i<=9999;i++){
             ^
Main.cc:5:21: error: ‘i’ does not name a type
  for(i=1000;i<=9999;i++){
                     ^
Main.cc:9:2: error: expected unqualified-id before ‘return’
  return 0;
  ^~~~~~
Main.cc:10:1: error: expected declaration before ‘}’ token
 }
 ^