Submission #926167

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
9261672024-02-12 16:14:05n1kLongest Trip (IOI23_longesttrip)C++17
15 / 100
10 ms608 KiB
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
/*
D=3 N
all nodes have indegree N-1
D=2
OBSERVE:
Graph is connected
if 2 nodes are not connected all other nodes are connected to them
degree in N-1 or N-2
man kann immer zwischen 2er paaren huepfen
D=1
OBSERVE
if 2 nodes are not connected all other nodes are connected to either node
find longest path ?
consider a connected component what can we say about it
can we always find a path of length == SZ(component)
connected component
add a node
if there are 2 nodes not conneced then new node also has to be connected there
 
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