제출 #401511

#제출 시각아이디문제언어결과실행 시간메모리
401511tredsused70콤보 (IOI18_combo)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>

using namespace std;

/*string god;
int cnt=0;

int press(string s)
{
    int ans=0,row=0,pos;
    for(int i=0;i<s.size();i++)
    {
        pos=i;
        while(row<god.size() && pos<s.size() && god[row]==s[pos])
        {
            row++;
            pos++;
        }
        ans=max(ans,row);
        row=0;
    }
    cnt++;
    cout << "press " << s << " " << ans << "\n";
    return ans;
}*/

string guess_sequence(int n)
{
    string ans,help;
    char st;
    if(press("AX"))
    {
        if(press("A")==1)
            ans="A";
        else
            ans="X";
    }
    else
    {
        if(press("B")==1)
            ans="B";
        else
            ans="Y";
    }
    st=ans[0];
    for(int i=1;i<n;i++)
    {
        help=ans+"A";
        help+=ans+"B";
        if(press(help)==i+1)
        {
            if(press(ans+"A")==i+1)
                ans+="A";
            else
                ans+="B";
        }
        else
        {
            if(press(ans+"X")==i+1)
                ans+="X";
            else
                ans+="Y";
        }
        help.clear();
    }
    return ans;
}

int main()
{
    int n;
    //cin >> god;
    cin >> n;
    cout << guess_sequence(n);
    cout << "\n";
    //cout << cnt << "\n";
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:31:8: error: 'press' was not declared in this scope
   31 |     if(press("AX"))
      |        ^~~~~
combo.cpp:50:12: error: 'press' was not declared in this scope
   50 |         if(press(help)==i+1)
      |            ^~~~~