Submission #78795

#	Time	Username	Problem	Language	Result	Execution time	Memory
78795		patcasrares	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include<iostream>
//#include "combo.h"
using namespace std;
int press(string s)
{
    int r;
    cout<<s<<'\n';
    cin>>r;
    return r;
}
string guess_sequence(int N)
{
    int r,poz=0,cnt=-1,n=N;
    string a[3],cand[4]={"A","B","X","Y"};
    string q,rez;
    q="AB";
    r=press(q);
    if(r)
        poz=0;
    else
        poz=2;
    q=cand[poz];
    r=press(q);
    if(r==0)
        poz++;
    for(int i=0;i<4;i++)
        if(i!=poz)
        {
            cnt++;
            a[cnt]=cand[i];
        }
    rez=cand[poz];
    cnt=1;
    poz=2;
    for(int i=2;i<n;i++)
    {
        q=rez+a[0];
        q=q+rez;
        q=q+a[1];
        q=q+a[0];
        q=q+rez;
        q=q+a[1];
        q=q+a[1];
        q=q+rez;
        q=q+a[1];
        q=q+a[2];
        r=press(q);
        if(r==i-1)
        {
            rez=rez+a[2];
            continue;
        }
        if(r==i)
        {
            rez=rez+a[0];
            continue;
        }
        rez=rez+a[1];
    }
    q=rez+a[0];
    q=q+rez;
    q=q+a[1];
    r=press(q);
    if(r==n)
    {
        q=rez+a[0];
        r=press(q);
        if(r==n)
            rez=rez+a[0];
        else
            rez=rez+a[1];
    }
    else
        rez=rez+a[2];
    return rez;
}
int main()
{
    cout<<guess_sequence(5);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccFqE9v8.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/cc6o2t67.o:combo.cpp:(.text+0xc0): first defined here
/usr/bin/ld: /tmp/ccFqE9v8.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc6o2t67.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status