Submission #1051811

#	Time	Username	Problem	Language	Result	Execution time	Memory
1051811		Tob	Split the Attractions (IOI19_split)	C++14	Compilation error	0 ms	0 KiB

split

#include <bits/stdc++.h>

#include "split.h"

#define F first
#define S second

using namespace std;

typedef long long ll;

const int N = 1e5 + 7;

int n;
int siz[N];
bool bio[N];
vector <int> no;
vector <int> adj[N];

void ldfs(int x) {
	bio[x] = 1;
	no.push_back(x);
	for (auto y : adj[x]) {
		if (bio[y]) continue;
		ldfs(y);
	}
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	n = a+b+c;
	vector <int> res(n, 0);
	for (int i = 0; i < n-1; i++) {
		adj[p[i]].push_back(q[i]);
		adj[q[i]].push_back(p[i]);
	}
	int mxdeg = 0;
	for (int i = 0; i < n; i++) mxdeg = max(mxdeg, (int)adj[i].size());
	if (mxdeg <= 2) {
		ldfs(0);
		for (int i = a; i < a+b; i++) res[no[i]] = 1;
		for (int i = a+b; i < n; i++) res[no[i]] = 2;
		return res;
	}
	if (a == 1) {
		ldfs(0);
		for (int i = 0; i < b; i++) res[no[i]] = 1;
		for (int i = b; i < n-1; i++) res[no[i]] = 2;
		return res;
	}
	return res;
}


int main() {
	int n, m, a, b, c;
	assert(5 == scanf("%d%d%d%d%d", &n, &m, &a, &b, &c));
	vector<int> p(m), q(m);
	for (int i=0; i<m; i++)
		assert(2 == scanf("%d%d", &p[i], &q[i]));
	fclose(stdin);

	vector<int> result = find_split(n, a, b, c, p, q);

	for (int i=0; i<(int)result.size(); i++)
		printf("%s%d", ((i>0)?" ":""), result[i]);
	printf("\n");
	fclose(stdout);
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccZZwTtz.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccqnqBMy.o:split.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status