Submission #310652

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
310652	2020-10-07 14:37:00	MrDomino	Political Development (BOI17_politicaldevelopment)	C++14	77 / 100	3042 ms	10744 KiB

politicaldevelopment

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#include <bits/stdc++.h>
using namespace std;
const int N=50000+7;
int n;
int k;
int sol;
vector<int> g[N];
set<pair<int,int>> s;
void del(int x)
{
        for (auto &i : g[x])
        {
                vector<int> gnew_i;
                for (auto &y : g[i])
                {
                        if (y!=x)
                                gnew_i.push_back(y);
                }
                s.erase({(int) g[i].size(),i});
                s.insert({(int) g[i].size()-1,i});
                g[i]=gnew_i;
        }
        g[x].clear();
}
bool on[N];
int sum[N];
 
 
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