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#34656#4251. Gamedutinmeow#Compile Error//C++201.8kb2022-06-12 03:55:072024-05-26 00:51:27

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  • [2024-05-26 00:51:27]
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  • [2023-08-10 23:21:45]
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  • [2022-06-12 03:55:07]
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answer

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native")

#include "game.h"

#include <bits/stdc++.h>
using namespace std;

#pragma region y_combinator

#ifndef Y_COMBINATOR_HPP
#define Y_COMBINATOR_HPP

template<class Fun>
class y_combinator_result {
	Fun fun_;
public:
	template<class T>
	explicit y_combinator_result(T &&fun) : fun_(std::forward<T>(fun)) {}

	template<class ...Args>
	decltype(auto) operator()(Args &&...args) {
		return fun_(std::ref(*this), std::forward<Args>(args)...);
	}
};

template<class Fun>
decltype(auto) y_combinator(Fun &&fun) {
	return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}

#endif

#pragma endregion y_combinator

namespace game {
	int N, K;
	vector<int> L, R;
	vector<vector<int>> G, H;

	void init(int _N, int _K) {
		N = _N;
		K = _K;
		L.assign(N, INT_MAX);
		iota(L.begin(), L.begin() + K, 0);
		R.assign(N, INT_MIN);
		iota(R.begin(), R.begin() + K, 0);
		G.resize(N);
		H.resize(N);
	}	

	bool add_teleporter(int s, int t) {
		if (s < K && t < K)
			return t <= s;
		G[s].push_back(t);
		H[t].push_back(s);
		
		auto dfsl = y_combinator([&](auto dfsl, int u, int k) -> bool {
			if (L[u] <= k)
				return false;
			L[u] = k;
			if (L[u] <= R[u])
				return true;
			for (int v : H[u])
				if (dfsl(v, k))
					return true;
			return false;
		});

		auto dfsr = y_combinator([&](auto dfsr, int u, int k) -> bool {
			if (k <= R[u])
				return false;
			R[u] = k;
			if (L[u] <= R[u])
				return true;
			for (int v : G[u])
				if (dfsr(v, k))
					return true;
			return false;
		});

		return dfsl(s, L[t]) || dfsr(t, R[s]);
	}
}

void init(int N, int K) { game::init(N, K); }

int add_teleporter(int u, int v) { return game::add_teleporter(u, v); }
Source code, Language: C++20

Details 

In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/gthr.h:148,
                 from /usr/include/c++/13/ext/atomicity.h:35,
                 from /usr/include/c++/13/bits/ios_base.h:39,
                 from /usr/include/c++/13/streambuf:43,
                 from /usr/include/c++/13/bits/streambuf_iterator.h:35,
                 from /usr/include/c++/13/iterator:66,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:54,
                 from answer.code:7:
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:102:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  102 | __gthrw(pthread_once)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:102:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:103:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  103 | __gthrw(pthread_getspecific)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:103:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:104:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  104 | __gthrw(pthread_setspecific)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:104:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:106:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  106 | __gthrw(pthread_create)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:106:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:107:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  107 | __gthrw(pthread_join)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:107:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:108:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  108 | __gthrw(pthread_equal)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:108:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:109:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  109 | __gthrw(pthread_self)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:109:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:110:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  110 | __gthrw(pthread_detach)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:110:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:112:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  112 | __gthrw(pthread_cancel)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:112:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:114:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  114 | __gthrw(sched_yield)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:114:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:116:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  116 | __gthrw(pthread_mutex_lock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:116:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:117:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  117 | __gthrw(pthread_mutex_trylock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:117:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:119:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
  119 | __gthrw(pthread_mutex_timedlock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:119:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute
/usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:121:1: error: attribute value ‘t...
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