Submission #348031

#	Time	Username	Problem	Language	Result	Execution time	Memory
348031		tengiz05	Split the Attractions (IOI19_split)	C++17	0 / 100	68 ms	9024 KiB

split

#include "split.h"
#ifndef EVAL
#include "grader.cpp"
#endif
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
const int N = 1e5+5;
int n, m;
vector<int> edges[N];
vector<int> find_split(int N, int a, int b, int c, vector<int> p, vector<int> q) {
	n=N; m = p.size();
	for(int i=0;i<m;i++){
		edges[p[i]].pb(q[i]);
		edges[q[i]].pb(p[i]);
	}
	vector<int> ans(n,3);
	int u=-1;
	for(int i=0;i<n;i++)if(edges[i].size() == 1)u=i;
	assert(~u);
	vector<bool> used(n);
	for(int i=0;i<a;i++){
		ans[u] = 1;
		used[u] = true;
		if(edges[u].size()==1)u=edges[u][0];
		else {
			if(used[edges[u][0]])u=edges[u][1];
			else u=edges[u][0];
		}
	}
	for(int i=0;i<b;i++){
		ans[u] = 2;
		used[u] = true;
		if(edges[u].size()==1)u=edges[u][0];
		else {
			if(used[edges[u][0]])u=edges[u][1];
			else u=edges[u][0];
		}
	}
	
	return ans;
}

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