Submission #1132308

#	Time	Username	Problem	Language	Result	Execution time	Memory
1132308		stdfloat	Xoractive (IZhO19_xoractive)	C++20	Compilation error	0 ms	0 KiB

Xoractive

#include "bits/stdc++.h"
#include "interactive.h"
#include "grader.cpp"
using namespace std;

#define sz(v)	(int)(v).size()
#define all(v)	(v).begin(), (v).end()

vector<int> guess(int n) {
	int a1 = ask(1);

	map<int, int> m;
	m[a1] = 1;

	for (int x = 0; x < 7; x++) {
		vector<int> v;
		for (int i = 2; i <= n; i++)
			if ((i >> x) & 1) v.push_back(i);

		if (v.empty()) continue;

		vector<int> u = get_pairwise_xor(v);
		set<int> s(all(u));

		v.push_back(1);
		u = get_pairwise_xor(v);
		set<int> t(all(u));

		for (auto i : t)
			if (s.find(i) == s.end()) m[i ^ a1] ^= 1 << x;
	}

	vector<int> v(n);
	for (auto [x, y] : m)
		v[y - 1] = x;

	return v;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccoZa9fx.o: in function `query()':
grader.cpp:(.text+0x3d0): multiple definition of `query()'; /tmp/ccipxSsI.o:Xoractive.cpp:(.text+0x770): first defined here
/usr/bin/ld: /tmp/ccoZa9fx.o: in function `ask(int)':
grader.cpp:(.text+0x400): multiple definition of `ask(int)'; /tmp/ccipxSsI.o:Xoractive.cpp:(.text+0x7a0): first defined here
/usr/bin/ld: /tmp/ccoZa9fx.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccipxSsI.o:Xoractive.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccoZa9fx.o: in function `get_pairwise_xor(std::vector<int, std::allocator<int> >)':
grader.cpp:(.text+0x460): multiple definition of `get_pairwise_xor(std::vector<int, std::allocator<int> >)'; /tmp/ccipxSsI.o:Xoractive.cpp:(.text+0x800): first defined here
collect2: error: ld returned 1 exit status