Submission #1174389

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174389	2025-03-27 00:22:45	Seungni	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

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#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
string cand = "ABXY";
string s;
string guess(string prefix)
{    
    string ret = "";
    ret += prefix;
    ret += s[0];
    for (int i = 0; i < 3; i++)
    {
        ret += prefix;
        ret += s[1];
        ret += s[i];
    }
    return ret;
}
string guess_sequence(int N)
{
    string S;
    string a = "A", b = "B", x = "X";
    int aa = press(a), bb = press(B), xx = press(x);
 
 
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Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:30:35: error: 'B' was not declared in this scope
   30 |     int aa = press(a), bb = press(B), xx = press(x);
      |                                   ^
combo.cpp:35:14: error: 'xx' was not declared in this scope; did you mean 'x'?
   35 |     else if (xx)
      |              ^~
      |              x