제출 #1014447

#제출 시각아이디문제언어결과실행 시간메모리
1014447rayan_bdCombo (IOI18_combo)C++17
0 / 100
1 ms344 KiB
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;

string guess_sequence(int N){
  string p="";
  vector<string> ch;
  if(press("AB")>0){
    if(press("A")==1) p="A",ch={"B","X","Y"};
    else p="B",ch={"A","X","Y"};
  }else{
    if(press("X")==1) p="X",ch={"A","B","Y"};
    else p="Y",ch={"A","B","X"};
  }
  if(N==1) return p;
  for(int i=0;i<N-2;++i){
    string nstr=p+ch[0]+ch[0]+p+ch[0]+ch[1]+p+ch[0]+ch[2]+p+ch[1];
    int k=press(nstr);
    if(k==p.size()+1){
      p+=ch[1];
    }else if(k==p.size()+2){
      p+=to_string(p[0]);
    }else{
      p+=ch[2];
    }
  }
  if(press(p+ch[0]+p+ch[1])==N){
    if(press(p+ch[0])==N) return p+ch[0];
    else return p+ch[1];
  }else{
    return p+ch[2];
  }
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:19:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     if(k==p.size()+1){
      |        ~^~~~~~~~~~~~
combo.cpp:21:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     }else if(k==p.size()+2){
      |              ~^~~~~~~~~~~~
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