제출 #1243491

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1243491		sigma	콤보 (IOI18_combo)	C++20	컴파일 에러	0 ms	0 KiB

combo

std::string press(std::string p);

std::string guess_sequence(int N) {
    std::string s = "";
    std::string x = "abxy";
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < 4; j++) {
            s.push_back(x[j]);
            if (press(s) == i+1) break;
            else s.pop_back();
        }
    }
    return s;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp:1:6: error: 'string' in namespace 'std' does not name a type
    1 | std::string press(std::string p);
      |      ^~~~~~
combo.cpp:1:1: note: 'std::string' is defined in header '<string>'; did you forget to '#include <string>'?
  +++ |+#include <string>
    1 | std::string press(std::string p);
combo.cpp:3:6: error: 'string' in namespace 'std' does not name a type
    3 | std::string guess_sequence(int N) {
      |      ^~~~~~
combo.cpp:3:1: note: 'std::string' is defined in header '<string>'; did you forget to '#include <string>'?
    3 | std::string guess_sequence(int N) {
      | ^~~