Submission #95896

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
95896	2019-02-03T12:36:56 Z	JustInCase	popa (BOI18_popa)	C++17	Compilation error	0 ms	0 KB

popa

#include <bits/stdc++.h>
#include "popa.h"

#define int32_t int
#define int64_t long long
#define Solve solve
#define Query query

const int32_t MAX_N = 1000;

int32_t parent[MAX_N + 5];

int32_t Query(int32_t a, int32_t b, int32_t c, int32_t d) {
	std::cout << a << " " << b << " " << c << " " << d << '\n' << std::flush;

	int32_t res;
	std::cin >> res;

	return res;
}

int32_t Solve(int32_t n, int32_t *left, int32_t *right) {
	memset(parent, -1, sizeof(parent));
	
	int32_t root = 0;
	for(int32_t i = 1; i < n; i++) {
		if(Query(0, i, i, i)) {
			parent[root] = i;
			left[i] = root;
			root = i;
			continue;
		}

		int32_t curr = i - 1, possibleParent = -1;
		while(curr != -1) {
			if(Query(curr, curr, curr, i)) {
				possibleParent = curr;	
			}

			curr = parent[curr];
		}

		if(possibleParent == -1) {
			left[i] = root;
			root = i;
		}
		else {
			right[possibleParent] = i;
			parent[i] = possibleParent;
		}
	}

	return root;
}

/**
int main() {
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(nullptr);

	int32_t left[6], right[6];
	int32_t ans = Solve(6, left, right);
	
	std::cout << ans << '\n';
	for(int32_t i = 0; i < 6; i++) {
		std::cout << left[i] << " " << right[i] << '\n';
	}
}
*/

Compilation message

/tmp/cce9zfri.o: In function `query(int, int, int, int)':
popa.cpp:(.text+0x0): multiple definition of `query(int, int, int, int)'
/tmp/ccK14tca.o:grader.cpp:(.text+0x50): first defined here
collect2: error: ld returned 1 exit status