Submission #832656

#	Time	Username	Problem	Language	Result	Execution time	Memory
832656		Marco_Escandon	Split the Attractions (IOI19_split)	C++17	7 / 100	63 ms	20228 KiB

split

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<ll> cad[200001];
vector<int> sol;
void dfs(int node, int p, int a, int b, int c, int pr)
{
    if(sol[node]!=0)
        return ;
    if(pr<a)
    {
        sol[node]=1;
    }
    else if(pr<b)
    {
        sol[node]=2;
    }
    else
    {
        sol[node]=3;
    }
    for(auto i:cad[node])
    {
        if(i!=p)
        {
            dfs(i,node, a, b, c, pr+1);
        }
    }
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
    sol.assign(n,0);
    vector<ll> asd(n,0);
    if(a+b+c!=n) return sol;
    for(int i=0; i<p.size(); i++)
    {
        asd[p[i]]++;
        asd[q[i]]++;
        cad[p[i]].push_back(q[i]);
        cad[q[i]].push_back(p[i]);
    }
    ll pl=0;
    for(int i=0; i<n; i++)
    {
        if(asd[i]==1)
        {
            pl=i;
        }
    }
    dfs(pl,-1,a,b+a,c+a+b,0);
	return sol;
}

Compilation message (stderr)

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:34:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(int i=0; i<p.size(); i++)
      |                  ~^~~~~~~~~

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