제출 #516934

#제출 시각아이디문제언어결과실행 시간메모리
516934AngusWongCombo (IOI18_combo)C++17
5 / 100
1 ms280 KiB
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;

string guess_sequence(int n){
    string s="ABXY", ans="";
    for (int i=0; i<=2; i++){
        if (press(s.substr(i, 1))){
            ans=s.substr(i, 1);
            s.erase(s.begin()+i);
            break;
        }
    }
    if (ans==""){
        ans="Y";
        s.erase(s.begin()+3);
    }
    for (int i=2; i<n; i++){
        int t=press(ans+s[0]+s[0]+ans+s[0]+s[1]+ans+s[0]+s[2]+ans+s[1]);
        if (t==i+1) ans+=s[0];
        else if (t==i) ans+=s[1];
        else ans+=s[2];
    }
    for (int i=0; i<=1; i++){
        if (press(ans+s[i])==n){
            ans+=s[i];
            break;
        }
    }
    if (ans.length()!=n) ans+=s[2];
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:30:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   30 |     if (ans.length()!=n) ans+=s[2];
      |         ~~~~~~~~~~~~^~~
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