제출 #831378

#제출 시각아이디문제언어결과실행 시간메모리
831378Mularstyle콤보 (IOI18_combo)C++14
100 / 100
27 ms536 KiB
#include "combo.h" #include<bits/stdc++.h> using namespace std; std::string guess_sequence(int n) { string S; string a; ///FIRST DIGIT if(press("AB")>0){ if(press("A")>0) S="A",a="BXY"; else S="B",a="AXY"; } else{ if(press("X")>0) S="X",a="ABY"; else S="Y",a="ABX"; } if(n==1) return S; ///MIDDLE int cur=1; while(S.length()<n-1) { int t=press(S+a[0]+S+a[1]+a[0]+S+a[1]+a[1]+S+a[1]+a[2]); if(t==cur+1) S+=a[0]; else if(t==cur+2) S+=a[1]; else S+=a[2]; cur++; } ///FIND LAST DIGIT if(press(S+"A"+S+"B")==n) { if(press(S+"A")==n) S+="A"; else S+="B"; } else { if(press(S+"X")==n) S+="X"; else S+="Y"; } return S; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:29:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |     while(S.length()<n-1)
      |           ~~~~~~~~~~^~~~
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