oj.uz

Submission #1041438

# Submission time Handle Problem Language Result Execution time Memory
1041438 2024-08-02T03:59:35 Z vjudge1 Izlet (COI19_izlet) C++17
0 / 100
 449 ms 461692 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
const int N=3011;
ll dist[N][N],dist1[N][N],par[N],color[N];
vector<ll> ma[N];
bool vis[N];
// sll added;

int get(int x)
{
	if(par[x]==x)return x;
	return par[x]=get(par[x]);
}
bool merge(int x,int y)
{
	x=get(x),y=get(y);
	if(x==y)return 0;
	par[x]=y;
	return 1;
}
void dfs_(int x,int p=-1,int s=-1)
{
	for(auto y:ma[x])
	{
		if(y==p)continue;
		dist[s][y]=dist[s][x]+1;
		dfs_(y,x,s);
	}
}
void dfs(int x,int p=-1,int s=-1)
{
}
void solve()
{
	ll subtask;
	cin>>subtask;
	ll n;
	cin>>n;
	std::vector<pair<ll,pair<ll,ll>>> v;
	for(int i=1;i<=n;i++)
	{		
		par[i]=i;
		for(int j=1;j<=n;j++)
		{
			cin>>dist[i][j];
			v.push_back({dist[i][j],{i,j}});
		}
	}
	for(int i=1;i<n;i++)
		ma[i].push_back(i+1);
	color[1]=1;
	ll npp=2;
	for(int i=2;i<=n;i++)
	{
		bool found=0;
		for(int j=1;j<i;j++)
		{
			if((dist[j][i])==dist[j+1][i])
			{
				if(found==1 and color[i]!=color[j])
				{
					cout<<1/0<<endl;
					exit(-1);
				}
				found=1;
				color[i]=color[j];
			}
		}
		if(!found)
		{
			color[i]=npp;
			npp++;
		}
	}
	for(int i=1;i<=n;i++)
	{
		cout<<color[i]<<' ';
	}
	cout<<endl;
	for(int i=1;i<n;i++)
	{
		cout<<i<<' '<<i+1<<endl;
	}
}

int main()
{
	cin.tie(0);cout.tie(0);
	ios::sync_with_stdio(0);
	int t=1;
	while(t--)
		solve();
}

Compilation message

izlet.cpp: In function 'void solve()':
izlet.cpp:64:13: warning: division by zero [-Wdiv-by-zero]
   64 |      cout<<1/0<<endl;
      |            ~^~

Subtask #1
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 4952 KB Execution killed with signal 8
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 449 ms 461692 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 57.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 4952 KB Execution killed with signal 8
2 Halted 0 ms 0 KB -