제출 #282773

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
282773		fvdqyxm	Combo (IOI18_combo)	C++14	컴파일 에러	0 ms	0 KiB

combo

#include <iostream>
#include <string>
using namespace std;
int press(string p){
    int ans;
    cin >> ans;
    return ans;
    cout.flush();
}
string guess_sequence(int N) {
    string cur = "";
    string options = "ABXY";
    string ans = "";
    for(int i = 1; i <= N; i++) {
        for(int j = 0; j < 4; j++){
            cur += options[j];
            cout << cur << endl;
            int ans = press(cur);
            if(ans == i) {
                ans += options[j];
                break;
            }
            else{
                cur.pop_back();
            }
        }
    }
    return ans;
}
int main () {
    int N;
    cin >> N;
    cout << guess_sequence(N) << '\n';
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccTZv6PN.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/ccH0j2MN.o:combo.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccTZv6PN.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccH0j2MN.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status