Submission #145987

#	Time	Username	Problem	Language	Result	Execution time	Memory
145987		JovanK26	Split the Attractions (IOI19_split)	C++14	18 / 100	123 ms	15524 KiB

split

#include "split.h"
#include<bits/stdc++.h>
using namespace std;
vector< vector<int> > v(200001);
bool vis[200001];
int sett[4];
int color;
vector<int> temp(200001);
void dfs(int start)
{
    vis[start]=1;
    while(sett[color]==0)
    {
        color++;
    }
    temp[start]=color;
    sett[color]--;
    for(int i=0;i<v[start].size();i++)
    {
        if(!vis[v[start][i]])
        {
            dfs(v[start][i]);
        }
    }
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q)
{
	vector<int> rez(n);
	sett[1]=a;
	sett[2]=b;
	sett[3]=c;
	for(int i=0;i<p.size();i++)
    {
        v[p[i]].push_back(q[i]);
        v[q[i]].push_back(p[i]);
    }
    int ind=-1;
    for(int i=0;i<n;i++)
    {
        if(v[i].size()==1)
        {
            ind=i;
            break;
        }
    }
    if(ind==-1)ind=0;
    color=1;
    dfs(ind);
    for(int i=0;i<n;i++)
    {
        rez[i]=temp[i];
    }
    return rez;
}

Compilation message (stderr)

split.cpp: In function 'void dfs(int)':
split.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v[start].size();i++)
                 ~^~~~~~~~~~~~~~~~
split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:32:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<p.size();i++)
              ~^~~~~~~~~

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