제출 #401520

#제출 시각아이디문제언어결과실행 시간메모리
401520tredsused70콤보 (IOI18_combo)C++17
30 / 100
77 ms436 KiB
#include <bits/stdc++.h> using namespace std; int press(string p); string guess_sequence(int n) { string ans,help; char st; if(press("AX")) { if(press("A")==1) ans="A"; else ans="X"; } else { if(press("B")==1) ans="B"; else ans="Y"; } st=ans[0]; for(int i=1;i<n;i++) { help=ans+"A"; help+=ans+"B"; if(press(help)==i+1) { if(press(ans+"A")==i+1) ans+="A"; else ans+="B"; } else { if(press(ans+"X")==i+1) ans+="X"; else ans+="Y"; } help.clear(); } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:10:10: warning: variable 'st' set but not used [-Wunused-but-set-variable]
   10 |     char st;
      |          ^~
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