Submission #156662

#	Time	Username	Problem	Language	Result	Execution time	Memory
156662		killB0x	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "combo.h"
using namespace std;
using namespace __gnu_pbds;
 
typedef long long int ll;
typedef unsigned long long int ull;
typedef pair<int,int> ii;
typedef pair<ll,ll> dl;
typedef vector<ii> vii;
typedef vector<dl> vdll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<string> vs;
#define pb push_back
#define mp make_pair
#define ft first
#define sc second
#define in insert
#define bs binary_search
#define rc(s) return cout << s,0
const ll mod=1e9+7;
const int N=100005;
#define INF LLONG_MAX
#define sz(x) ((int)(x.size()))
#define int ll
#define endl '\n'
     
char ch[4]={'A','B','X','Y'};
     
string guess_sequence(int n){
    char x;
    string tmp;
    for(int i=0;i<4;i++)
    {
        x=ch[i];
        if(press(""+x)==1)
        {
            tmp+=x;
            break;
        }
    }
    for(int i=1;i<n;i++)
    {
        for(int j=0;j<4;j++)
        {
            if(ch[j]!=x)
            {
                if(press(tmp+ch[j])==i+1)
                {
                    tmp+=ch[j];
                    break;
                }
            }
        }
    }
    return tmp;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccWpbiyb.o: in function `main':
grader.cpp:(.text.startup+0x4c): undefined reference to `guess_sequence[abi:cxx11](int)'
collect2: error: ld returned 1 exit status