Submission #572424

#	Time	Username	Problem	Language	Result	Execution time	Memory
572424		MohammadAghil	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

      #include <bits/stdc++.h>
      #include "combo.h"
//   #pragma GCC optimize ("Ofast,unroll-loops")
// #pragma GCC target ("avx2")
    using namespace std;
  typedef long long ll;
   typedef pair<int, int> pp;
    #define er(args ...) cerr << __LINE__ << ": ", err(new istringstream(string(#args)), args), cerr << endl
      #define per(i,r,l) for(int i = (r); i >= (l); i--)
        #define rep(i,l,r) for(int i = (l); i < (r); i++)
           #define all(x) x.begin(), x.end()
              #define sz(x) (int)(x).size()
                  #define pb push_back
                      #define ss second
                           #define ff first
                                   void err(istringstream *iss){}template<typename T,typename ...Args> void err(istringstream *iss,const T &_val, const Args&...args){string _name;*iss>>_name;if(_name.back()==',')_name.pop_back();cerr<<_name<<" = "<<_val<<", ",err(iss,args...);}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const ll mod = 1e9 + 7, maxn = 5e5 + 5, lg = 22, lng = 26, inf = ll(1e9) + 5;
ll pw(ll a,ll b,ll md=mod){if(!b)return 1;ll k=pw(a,b>>1ll);return k*k%md*(b&1ll?a:1)%md;}

int press(string p){
     return 0;
}

string guess_sequence(int n){
     string s;
     char cnd[4] = {'A', 'B', 'X', 'Y'};
     rep(i,0,n){
          rep(j,0,4){
               s.pb(cnd[j]);
               if(press(s) == sz(s)) break;
               s.pop_back();
          }
     }
     return s;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cckiehRo.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/cczQQL4k.o:combo.cpp:(.text+0x200): first defined here
collect2: error: ld returned 1 exit status