Submission #433526

#	Time	Username	Problem	Language	Result	Execution time	Memory
433526		JUANDI321	Split the Attractions (IOI19_split)	C++17	0 / 100	1 ms	332 KiB

split

#include "split.h"
#include <vector>

using namespace std;
vector<vector<int>> g;
vector<int> res;
int aa, bb, cc;

void dfs(int node, int ant)
{
	if(aa>0)
	{
		res[node]=1;
		aa--;
	}
	else if(bb>0)
	{
		res[node]=2;
		bb--;
	}
	else 
	{
		res[node]=3;
		cc--;
	}
	for(int y : g[node])
	{
		if(y!=ant)
		{
			dfs(y, node);
		}
	}
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) 
{
	aa = a;
	bb = b;
	cc = c;
	//vector<int> res;
	for(int i = 0; i<p.size(); i++)
	{
		g[p[i]].push_back(q[i]);
		g[q[i]].push_back(p[i]);
	}
	int node =0;
	for(int i = 0; i<n; i++)
	{
		if(g[i].size()==1)
		{
			node = i;
			break;
		}
	}
	dfs(node, -1);
	return res;
}

Compilation message (stderr)

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:40:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  for(int i = 0; i<p.size(); i++)
      |                 ~^~~~~~~~~

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