Submission #145424

#	Time	Username	Problem	Language	Result	Execution time	Memory
145424		JovanK26	Split the Attractions (IOI19_split)	C++14	0 / 100	2 ms	376 KiB

split

#include "split.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q)
{
	vector<int> rez(n);
	vector<int> v[n];
	for(int i=0;i<p.size();i++)
    {
        v[p[i]].push_back(q[i]);
        v[q[i]].push_back(p[i]);
    }
	if(a==1)
    {
        queue<int> q;
        bool vis[n];
        for(int i=0;i<n;i++)
        {
            rez[i]=0;
            vis[i]=0;
        }
        rez[0]=1;
        int br=0;
        q.push(0);
        vis[0]=1;
        while(!q.empty())
        {
            int node=q.front();
            q.pop();
            rez[node]=2;
            br++;
            if(br==b)break;
            for(int i=0;i<v[node].size();i++)
            {
                if(!vis[v[node][i]])
                {
                    vis[v[node][i]]=1;
                    q.push(v[node][i]);
                }
            }
        }
        for(int i=0;i<n;i++)
        {
            if(!rez[i])rez[i]=3;
        }
    }
    return rez;
}

Compilation message (stderr)

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:8:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<p.size();i++)
              ~^~~~~~~~~
split.cpp:33:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i=0;i<v[node].size();i++)
                         ~^~~~~~~~~~~~~~~

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