제출 #1141991

#제출 시각아이디문제언어결과실행 시간메모리
1141991ad_ouxCombo (IOI18_combo)C++20
컴파일 에러
0 ms0 KiB
std::string guess_sequence(int N) { if (N==3){ std::string p = ""; int doubled{-1}; std::string conseq = ""; std::string S = ""; if (press("A")==0){conseq+="BXY";} else if (press("B")==0){conseq+="AXY";} else if (press("X")==0){conseq+="ABY";} else if (press("Y")==0){conseq+="ABX";} for(int i = 0 ; i < 3 ; i++){ if (press(conseq[i]+conseq[i])==2){doubled = i ;break ;} } if (doubled == -1){ for(int i = 0 ; i < 3 ; i++){ if ( press(conseq[i]+conseq[(i+1)%3]+conseq[(i+2)%3])==3){S += conseq[i]+conseq[(i+1)%3]+conseq[(i+2)%3];break ;} } } else { for(int i = 0 ; i < 3 ; i++){ if (i!= doubled && press(conseq[i]+conseq[doubled]+conseq[doubled])==3){S += conseq[i]+conseq[doubled]+conseq[doubled];break ;} } } return S; } else { return "HeLLO THERE" ; } }

컴파일 시 표준 에러 (stderr) 메시지

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