제출 #313803

#제출 시각아이디문제언어결과실행 시간메모리
313803Jarif_Rahman콤보 (IOI18_combo)C++17
30 / 100
54 ms444 KiB
#include "combo.h" #include <bits/stdc++.h> #define pb push_back #define f first #define sc second using namespace std; typedef long long int ll; typedef string str; str guess_sequence(int n){ str s = ""; int r = 0; if(press("AB")){ if(press("A") > r) s+="A"; else s+="B"; } else{ if(press("X") > r) s+="X"; else s+="Y"; } r++; if(n == 1) return s; str ss = ""; for(char c: "ABXY") if(c != s[0]) ss+=str(1, c); while(s.size() < n){ if(press(s+str(1, ss[0]) + s+str(1, ss[1])) > r){ if(press(s + str(1, ss[0])) > r) s+=str(1, ss[0]); else s+=str(1, ss[1]); } else s+=str(1, ss[2]); r++; } return s; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'str guess_sequence(int)':
combo.cpp:23:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |     while(s.size() < n){
      |           ~~~~~~~~~^~~
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