Submission #1178674

#	Time	Username	Problem	Language	Result	Execution time	Memory
1178674		shirokito	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define el '\n'

int press(string p) {
    // cout << p << endl;
    int x; cin >> x;
    return x;
}

string guess_sequence(int N) {
    vector<char> lst_c = { 'A', 'B', 'X', 'Y' };
    string cur = "";
    for (int i = 1; i <= N; i++) {
        for (char c: lst_c) {
            if (press(cur + c) == i) {
                cur += c;
                break;
            }
        }
    }
    return cur;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccMmGpKX.o: in function `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x0): multiple definition of `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccUcOHKj.o:combo.cpp:(.text+0x0): first defined here
collect2: error: ld returned 1 exit status