Submission #807092

#	Time	Username	Problem	Language	Result	Execution time	Memory
807092		OAleksa	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
//#include "combo.h"
#define f first
#define s second
using namespace std;

int press(string p) {
	cout << p << endl;
	int x;
	cin >> x;
	return x;
}


string guess_sequence(int N) {
	string s;
	if(N == 1) {
		if(press("A"))
			return "A";
		else if(press("B"))
			return "B";
		else if(press("X"))
			return "X";
		else
			return "Y";
	}
	if(press("AB")) {
		if(press("A"))
			s += "A";
		else
			s += "B";
	}
	else {
		if(press("X"))
			s += "X";
		else
			s += "Y";
	}
	string p;
	int r = 0;
	if(s == "A") 
		p = "BXY";
	else if(s == "B") 
		p = "AXY";
	else if(s == "X") 
		p = "ABY";
	else 
		p = "ABX";
	while((int)s.size() < N) {
		r %= 3;
		string t = s + p[r];
		if(press(t) == (int)t.size()) {
			r = 0;
			s = t;
		}
		else
			r++;
	}
	return s;
}


// int main()
// {
	  // ios_base::sync_with_stdio(false);
	  // cin.tie(0);
	  // cout.tie(0);
	  // int tt = 1;
		// //cin >> tt;
	  // while(tt--) {
			// int n;
			// cin >> n;
			// cout << guess_sequence(n) << endl;
		// }
    // return 0;
// }

Compilation message (stderr)

/usr/bin/ld: /tmp/ccnizKVn.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/cc9sJdum.o:combo.cpp:(.text+0xc0): first defined here
collect2: error: ld returned 1 exit status