Submission #1006700

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006700		devariaota	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;
#define pii pair<ll,ll>
#define REP(i,x,y) for(ll i=x;i<=y;i++)
#define freeopen   freopen("input.txt","r",stdin); freopen("output.txt","w",stdout);
#define mod 1000000000
#define pb push_back
#define mk make_pair
#define ll long long
#define foor(x,vec) for(auto x:vec ){cout<<x<<" ";}
#define fi first
#define se second
#define MAXN 500069
#define lld long double
#define cha ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ffl fflush(stdout)
#define sst string
#define pii pair<ll,ll>
ll mvx[]={0,0,-1,1};
ll mvy[]={1,-1,0,0};
sst ts="ABXY";
int n;


int press(string p){
    
}
string guess_sequence(int n){
    sst nw="";
    ll bf=0;
    for(int i=1;i<=n;i++){
        sst t=nw;
        for(ll i=0;i<4;i++){
            t=t+ts[i];
            if(press(t)>=bf){
                bf++;
                nw=nw+ts[i];
                break;
            }
        }
    }
}

Compilation message (stderr)

combo.cpp: In function 'int press(std::string)':
combo.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type]
   27 | }
      | ^
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:42:1: warning: no return statement in function returning non-void [-Wreturn-type]
   42 | }
      | ^
/usr/bin/ld: /tmp/ccoL7xJg.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/ccawGzkj.o:combo.cpp:(.text.unlikely+0x0): first defined here
collect2: error: ld returned 1 exit status