Submission #1142684

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142684		a_las	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;
//cout<<
//cin>>

int press(string p){
    int n;
    cin>>n;
    return n;
}
string guess_sequence(int N){
    string s;
    cin>>s;
    return s;
}

void solve(){
    int n=press("AB");
    if(n==1){
        n=press("A");
        if(n==0){
            n=press("BXY");
        }
        else{
            n=press("ABX");
        }
    }
    else{
    n=press("XY");
    if(n==1){
        n=press("X");
        if(n==0){
            n=press("YAB");
        }
        else{
            n=press("XYA");
        }
    }
    }
    cout<<guess_sequence(n);
}

int main(){

    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccBeU55V.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/ccgRPRMI.o:combo.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccBeU55V.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccgRPRMI.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status