Submission #583696

#	Time	Username	Problem	Language	Result	Execution time	Memory
583696		joelau	Split the Attractions (IOI19_split)	C++14	0 / 100	45 ms	8564 KiB

split

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

int N,M,A,B,C, deg[100005];
vector<int> lst[100005], ans;

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	N = n, M = p.size(), A = a, B = b, C = c;
	memset(deg,0,sizeof(deg));
	for (int i = 0; i < M; ++i) lst[p[i]].push_back(q[i]), lst[q[i]].push_back(p[i]);
	int root = -1;
	for (int i = 0; i < N; ++i) if (lst[i].size() == 1) root = i;
	ans.assign(N,0);
	for (int i = 0; i < N; ++i) {
		if (i < A) ans[root] = 1;
		else if (i < A+B) ans[root] = 2;
		else ans[root] = 3;
		if (i != N-1) {
			if (ans[lst[root][0]] == 0) root = lst[root][0];
			else root = lst[root][1];
		}
	}
	return ans;
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 24
• Subtask 5: 0 / 36