oj.uz

Submission #73721

# Submission time Handle Problem Language Result Execution time Memory
73721 2018-08-28T18:41:35 Z TadijaSebez Airline Route Map (JOI18_airline) C++11
0 / 100
 1756 ms 129796 KB 
#include "Alicelib.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
void Alice(int n, int m, int a[], int b[])
{
	int L=10;
    vector<pair<int,int> > edges;
    int cen=n+L,den=n+L+1,i,j;
    for(i=0;i<L-1;i++) edges.pb(mp(n+i,n+i+1));
    for(i=0;i<n;i++)
	{
		edges.pb(mp(i,cen));
		edges.pb(mp(i,den));
		for(j=0;j<L;j++) if((i>>j)&1) edges.pb(mp(i,n+j));
	}
	for(i=0;i<L;i++) edges.pb(mp(n+i,den));
	for(i=0;i<m;i++) edges.pb(mp(a[i],b[i]));
	InitG(n+L+2,edges.size());
	for(i=0;i<edges.size();i++) MakeG(i,edges[i].first,edges[i].second);
}
#include "Boblib.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
vector<vector<int> > E;
vector<int> fk,val;
void DFS(int u, int p, int d)
{
	val[u]=d;
	for(int v:E[u]) if(v!=p && fk[v]==1) DFS(v,u,d+1);
}
void Bob(int n, int m, int a[], int b[])
{
	int L=10,N=n-L-2,i;E.clear();E.resize(n);
	vector<int> deg(n,0);set<pair<int,int> > es;
	for(i=0;i<m;i++) deg[a[i]]++,deg[b[i]]++,es.insert(mp(a[i],b[i])),es.insert(mp(b[i],a[i]));
	for(i=0;i<m;i++) E[a[i]].pb(b[i]),E[b[i]].pb(a[i]);
	int den,cen;
	for(i=0;i<n;i++) if(deg[i]==n-2) den=i;
	for(i=0;i<n;i++)
	{
		if(i==den) continue;
		if(es.count(mp(i,den))) continue;
		cen=i;
	}
	fk.resize(n);fk[cen]=fk[den]=2;val.resize(n);
	for(i=0;i<n;i++) if(i!=cen && i!=den && !es.count(mp(cen,i))) fk[i]=1;
	int one;
	for(i=0;i<n;i++)
	{
		if(fk[i]==1)
		{
			int c=0;
			for(int v:E[i]) if(fk[v]==0) c++;
			if(c==N/2) one=i;
		}
	}
	DFS(one,-1,0);
	for(i=0;i<n;i++) if(fk[i]==0)
	{
		for(int v:E[i]) if(fk[v]==1) val[i]+=1<<val[v];
	}
	vector<pair<int,int> > edges;
	for(i=0;i<m;i++)
	{
		if(fk[a[i]]==0 && fk[b[i]]==0) edges.pb(mp(val[a[i]],val[b[i]]));
	}
	InitMap(N,edges.size());
	for(i=0;i<edges.size();i++) MakeMap(edges[i].first,edges[i].second);
	/*int N=n-L-2,M=m-9-2*n,i,j;
	vector<int> indeg;
	indeg.resize(n);
	//for(i=0;i<N;i++) for(j=0;j<L;j++) if((i>>j)&1) M--;
	for(i=0;i<m;i++) indeg[a[i]]++;
	vector<int> real,fake,val,go,in;
	vector<bool> fk;
	for(i=0;i<n;i++){ if(indeg[i]>1) real.pb(i);else fake.pb(i);}
	fk.resize(n);go.resize(n);in.resize(n);
	for(i=0;i<fake.size();i++) fk[fake[i]]=1;
	//printf("Fake: ");for(i=0;i<fake.size();i++) printf("%i ",fake[i]);printf("\n");
	for(i=0;i<n;i++) in[i]=go[i]=-1;
	for(i=0;i<m;i++) if(fk[a[i]] && fk[b[i]]) go[a[i]]=b[i],in[b[i]]=a[i];
	int one;
	for(i=0;i<n;i++) if(go[i]!=-1 && in[i]==-1) one=i;
	val.resize(n);
	for(i=0;i<L;i++) val[one]=i,one=go[one];
	for(i=0;i<m;i++)
	{
		if(!fk[a[i]] && fk[b[i]] && (go[b[i]]!=-1 || in[b[i]]!=-1)) val[a[i]]+=1<<val[b[i]];
	}
	//printf("Val: ");for(i=0;i<n;i++) printf("%i ",val[i]);printf("\n");
	vector<pair<int,int> > edges;
	for(i=0;i<m;i++)
	{
		if(!fk[a[i]] && !fk[b[i]])
		{
			edges.pb(mp(val[a[i]],val[b[i]]));
		}
	}
	InitMap(N,edges.size());
	for(i=0;i<edges.size();i++) MakeMap(edges[i].first,edges[i].second);*/
}

Compilation message

Alice.cpp: In function 'void Alice(int, int, int*, int*)':
Alice.cpp:22:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<edges.size();i++) MakeG(i,edges[i].first,edges[i].second);
          ~^~~~~~~~~~~~~

Bob.cpp: In function 'void Bob(int, int, int*, int*)':
Bob.cpp:51:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<edges.size();i++) MakeMap(edges[i].first,edges[i].second);
          ~^~~~~~~~~~~~~
Bob.cpp:40:5: warning: 'one' may be used uninitialized in this function [-Wmaybe-uninitialized]
  DFS(one,-1,0);
  ~~~^~~~~~~~~~
Bob.cpp:29:29: warning: 'den' may be used uninitialized in this function [-Wmaybe-uninitialized]
  for(i=0;i<n;i++) if(i!=cen && i!=den && !es.count(mp(cen,i))) fk[i]=1;
                      ~~~~~~~^~~~~~~~~
Bob.cpp:29:54: warning: 'cen' may be used uninitialized in this function [-Wmaybe-uninitialized]
  for(i=0;i<n;i++) if(i!=cen && i!=den && !es.count(mp(cen,i))) fk[i]=1;
                                                      ^

Subtask #1
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6896 KB Output is correct
2 Correct 7 ms 6640 KB Output is correct
3 Correct 7 ms 6896 KB Output is correct
4 Correct 8 ms 6640 KB Output is correct
5 Correct 8 ms 6640 KB Output is correct
6 Correct 7 ms 6640 KB Output is correct
7 Correct 7 ms 6640 KB Output is correct
8 Correct 7 ms 6896 KB Output is correct
9 Correct 7 ms 6776 KB Output is correct
10 Correct 8 ms 6896 KB Output is correct
11 Correct 8 ms 6736 KB Output is correct
12 Correct 8 ms 6896 KB Output is correct
13 Correct 8 ms 6640 KB Output is correct
14 Correct 8 ms 6640 KB Output is correct
15 Correct 8 ms 6896 KB Output is correct
16 Correct 7 ms 6896 KB Output is correct
17 Correct 8 ms 6896 KB Output is correct
18 Correct 8 ms 6640 KB Output is correct
19 Correct 8 ms 6640 KB Output is correct
20 Correct 8 ms 6640 KB Output is correct
21 Incorrect 7 ms 6640 KB Wrong Answer [14]
22 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6896 KB Output is correct
2 Correct 7 ms 6640 KB Output is correct
3 Correct 7 ms 6896 KB Output is correct
4 Correct 8 ms 6640 KB Output is correct
5 Correct 8 ms 6640 KB Output is correct
6 Correct 7 ms 6640 KB Output is correct
7 Correct 7 ms 6640 KB Output is correct
8 Correct 7 ms 6896 KB Output is correct
9 Correct 7 ms 6776 KB Output is correct
10 Correct 8 ms 6896 KB Output is correct
11 Correct 8 ms 6736 KB Output is correct
12 Correct 8 ms 6896 KB Output is correct
13 Correct 8 ms 6640 KB Output is correct
14 Correct 8 ms 6640 KB Output is correct
15 Correct 8 ms 6896 KB Output is correct
16 Correct 7 ms 6896 KB Output is correct
17 Correct 8 ms 6896 KB Output is correct
18 Correct 8 ms 6640 KB Output is correct
19 Correct 8 ms 6640 KB Output is correct
20 Correct 8 ms 6640 KB Output is correct
21 Incorrect 7 ms 6640 KB Wrong Answer [14]
22 Halted 0 ms 0 KB -

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Runtime error 1756 ms 129796 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -