oj.uz

Submission #145434

# Submission time Handle Problem Language Result Execution time Memory
145434 2019-08-19T20:57:20 Z JovanK26 Split the Attractions (IOI19_split) C++14
0 / 100
 14 ms 11260 KB 
#include "split.h"
#include<bits/stdc++.h>
using namespace std;
vector< vector<int> > v(200001);
bool cmp(pair<vector<int>,int> i,pair<vector<int>,int> j)
{
    i.first.size()<j.first.size();
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q)
{
	vector<int> rez(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)
    {
        if(b>c)swap(b,c);
        vector< pair<vector<int>,int> >g(200001);
        for(int i=0;i<n;i++)
        {
            g[i]=make_pair(v[i],i);
        }
        bool vis[n];
        queue<int> q;
        for(int i=0;i<n;i++)
        {
            rez[i]=0;
            vis[i]=0;
        }
        sort(g.begin(),g.begin()+n,cmp);
        int start=g[0].second;
        vis[start]=1;
        rez[start]=1;
        int br=0;
        int node=g[n-1].second;
        q.push(node);
        vis[node]=1;
        while(!q.empty())
        {
            int cur=q.front();
            q.pop();
            rez[cur]=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]==0)rez[i]=3;
        }
    }
    return rez;
}

Compilation message

split.cpp: In function 'bool cmp(std::pair<std::vector<int>, int>, std::pair<std::vector<int>, int>)':
split.cpp:7:19: warning: value computed is not used [-Wunused-value]
     i.first.size()<j.first.size();
     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
split.cpp:8:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:13:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<p.size();i++)
              ~^~~~~~~~~
split.cpp:48:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i=0;i<v[node].size();i++)
                         ~^~~~~~~~~~~~~~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 11256 KB ok, correct split
2 Correct 14 ms 11256 KB ok, correct split
3 Correct 14 ms 11260 KB ok, correct split
4 Incorrect 6 ms 4984 KB jury found a solution, contestant did not
5 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 11256 KB ok, correct split
2 Correct 12 ms 11256 KB ok, correct split
3 Incorrect 12 ms 11256 KB invalid split: #1=1, #2=1, #3=3
4 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 4984 KB jury found a solution, contestant did not
2 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 4984 KB jury found a solution, contestant did not
2 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 11256 KB ok, correct split
2 Correct 14 ms 11256 KB ok, correct split
3 Correct 14 ms 11260 KB ok, correct split
4 Incorrect 6 ms 4984 KB jury found a solution, contestant did not
5 Halted 0 ms 0 KB -