제출 #16284

실행 실패 (제출 코드 컴파일 에러)

Main.cpp:1:1: error: ‘use’ does not name a type
    1 | use std::io;
      | ^~~
Main.cpp:2:1: error: ‘use’ does not name a type
    2 | use std::collections::HashMap;
      | ^~~
Main.cpp:4:1: error: ‘fn’ does not name a type
    4 | fn main() {
      | ^~