Submission #1242601

#	Time	Username	Problem	Language	Result	Execution time	Memory
1242601		haithamcoder	Split the Attractions (IOI19_split)	C++20	Compilation error	0 ms	0 KiB

split

#include <cstdio>
#include <cassert>
#include "split.h"
#include<bits/stdc++.h>
using namespace std;
#define ll int



vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	// vector<ll> res;
	vector<vector<ll>> adj(n);

	ll m = p.size();

	for (ll i = 0; i < m; i++) {
		adj[p[i]].push_back(q[i]);
		adj[q[i]].push_back(p[i]);
	}

	ll root = 0;

	for (ll i = 0; i < n; i++) {
		if (adj[i].size() == 1) {
			root = i;
			break;
		}
	}


	ll par = -1, u = root;

	vector<ll> res;
	ll num = 1;
	ll cnt = 0;

	while (num < 4) {
		res[u] = num;
		cnt++;

		for (auto c : adj[u]) {
			if (c != par) {
				par = u;
				u = c;
			}
		}

		if ((num == 1 && cnt > a) || (num == 2 && cnt > b) || (num == 3 && cnt > c)) {
			num++;
			cnt = 0;
		}

		if (num == 4) 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/ccMeBA87.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccoWUOQS.o:split.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status