Submission #42733

#	Time	Username	Problem	Language	Result	Execution time	Memory
42733		AryanSM	Planinarenje (COCI18_planinarenje)	C++14	160 / 160	11 ms	6568 KiB

planinarenje

#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define F first
#define S second
int const M=2e5+10;
int match[M],match2[M];
vector<int>adj[M];
bool good[M],mark[M];
bool dfs(int v)
{
	mark[v]=1;
	for(int i=0;i<adj[v].size();i++)
	{
		int u=adj[v][i];
		if(!match[u] || (!mark[match[u]] && dfs(match[u])))
		{
			match[u]=v;
			match2[v]=u;
			return 1;
		}
	}
	return 0;
}
void dfs_check(int v)
{
	good[v]=1;
	for(int i=0;i<adj[v].size();i++)
	{
		int u=adj[v][i];
		if(!good[match[u]])dfs_check(match[u]);
	}
}
main()
{
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=m;i++)
	{
		int a,b;
		cin>>a>>b;
		adj[a].pb(b);
	}
	while(true)
	{
		bool fin=0;
		for(int i=1;i<=n;i++)mark[i]=0;
		for(int i=1;i<=n;i++)
		{
			if(!mark[i] && !match2[i])
			{
				if(dfs(i))fin=1;
			}
		}
		if(!fin)break;
	}
	for(int i=1;i<=n;i++)
	{
		if(!match2[i])dfs_check(i);	
	}
	for(int i=1;i<=n;i++)
	{
		if(!good[i])cout<<"Slavko";
		else cout<<"Mirko";
		cout<<"\n";
	}
}

Compilation message (stderr)

planinarenje.cpp: In function 'bool dfs(long long int)':
planinarenje.cpp:16:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<adj[v].size();i++)
               ^
planinarenje.cpp: In function 'void dfs_check(long long int)':
planinarenje.cpp:31:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<adj[v].size();i++)
               ^
planinarenje.cpp: At global scope:
planinarenje.cpp:37:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

• Subtask 1: 16 / 16
• Subtask 2: 16 / 16
• Subtask 3: 16 / 16
• Subtask 4: 16 / 16
• Subtask 5: 16 / 16
• Subtask 6: 16 / 16
• Subtask 7: 16 / 16
• Subtask 8: 16 / 16
• Subtask 9: 16 / 16
• Subtask 10: 16 / 16