제출 #613985

#제출 시각아이디문제언어결과실행 시간메모리
613985FETT콤보 (IOI18_combo)C++14
100 / 100
36 ms644 KiB
#include "combo.h" #include "bits/stdc++.h" using namespace std; string guess_sequence(int N) { string p = ""; string S = ""; int coin; char rest[3]; coin=press("AB"); if(coin==0) { coin=press("Y"); if(coin==1) { S+='Y'; //rest={'A','B','X'}; rest[0]='A'; rest[1]='B'; rest[2]='X'; }else{ S+='X'; //rest={'A','B','Y'}; rest[0]='A'; rest[1]='B'; rest[2]='Y'; } }else{ coin=press("A"); if(coin==1) { S+='A'; //rest={'Y','B','X'}; rest[0]='Y'; rest[1]='B'; rest[2]='X'; }else{ S+='B'; //rest={'A','Y','X'}; rest[0]='A'; rest[1]='Y'; rest[2]='X'; } } while(S.length()<N-1) { p=S+rest[0]+S+rest[1]+rest[1]+S+rest[1]+rest[2]+S+rest[1]+rest[0]; coin=press(p); if(coin==S.length()+1) { S+=rest[0]; } else if(coin==S.length()) { S+=rest[2]; } else{ S+=rest[1]; } } if(S.length()==N-1) { p=S+rest[0]+S+rest[1]; coin=press(p); if(coin==S.length()) { S+=rest[2]; }else{ p=S+rest[0]; coin=press(p); if(coin==S.length()) { S+=rest[1]; }else{ S+=rest[0]; } } } return S; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:48:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   48 |     while(S.length()<N-1)
      |           ~~~~~~~~~~^~~~
combo.cpp:52:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |         if(coin==S.length()+1)
      |            ~~~~^~~~~~~~~~~~~~
combo.cpp:56:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |         else if(coin==S.length())
      |                 ~~~~^~~~~~~~~~~~
combo.cpp:64:18: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   64 |     if(S.length()==N-1)
      |        ~~~~~~~~~~^~~~~
combo.cpp:68:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |         if(coin==S.length())
      |            ~~~~^~~~~~~~~~~~
combo.cpp:74:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |             if(coin==S.length())
      |                ~~~~^~~~~~~~~~~~
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