oj.uz

답안 #783719

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
783719 2023-07-15T08:56:05 Z PoonYaPat 항공 노선도 (JOI18_airline) C++14
0 / 100
 2500 ms 29224 KB 
#include "Alicelib.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;

void Alice( int n, int m, int A[], int B[] ){
	vector<pii> v;
	for (int i=0; i<n; ++i) v.push_back({n,i});
	for (int i=n+1; i<=n+11; ++i) v.push_back({i-1,i});
	for (int i=0; i<n; ++i) {
		for (int j=0; j<10; ++j) {
			if (i&(1<<j)) v.push_back({i,n+2+j});
		}
	}
	for (int i=0; i<m; ++i) v.push_back({A[i],B[i]});
	InitG(n+12,v.size());
	for (int i=0; i<v.size(); ++i) MakeG(i,v[i].first,v[i].second);
}
#include "Boblib.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;

int st,nx,re[1020];
vector<int> adj[1020];
bool mark[1020];

void dfs(int x, int par, int val) {
	int nxt=-1;
	for (auto s : adj[x]) {
		if (s==par) continue;
		if (mark[s]) re[s]+=val;
		else nxt=s;
	}
	if (nxt!=-1) dfs(nxt,x,val*2);
}

void Bob(int n, int m, int C[], int D[] ){
	vector<pii> v;
	for (int i=0; i<m; ++i) {
		adj[C[i]].push_back(D[i]);
		adj[D[i]].push_back(C[i]);
	}
	for (int i=0; i<n; ++i) if (adj[i].size()==n-11) st=i;

	for (auto s : adj[st]) mark[s]=true;
	assert(adj[st].size()==n-11);
	for (auto s : adj[st]) {
		if (adj[s].size()==1) continue;
		mark[s]=false;
		for (auto k : adj[s]) mark[s]|=mark[k];
		if (!mark[s]) nx=s;
	}

	for (auto s : adj[nx]) {
		if (s!=st) dfs(s,nx,1);
	}

	for (int i=0; i<m; ++i) {
		if (mark[C[i]] && mark[D[i]]) {
			v.push_back({re[C[i]],re[D[i]]});
		}
	}

	InitMap(n-12,v.size());
	for (auto s : v) MakeMap(s.first,s.second);
}

Compilation message

Alice.cpp: In function 'void Alice(int, int, int*, int*)':
Alice.cpp:17:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for (int i=0; i<v.size(); ++i) MakeG(i,v[i].first,v[i].second);
      |                ~^~~~~~~~~

Bob.cpp: In function 'void Bob(int, int, int*, int*)':
Bob.cpp:26:43: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |  for (int i=0; i<n; ++i) if (adj[i].size()==n-11) st=i;
      |                              ~~~~~~~~~~~~~^~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from Bob.cpp:2:
Bob.cpp:29:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |  assert(adj[st].size()==n-11);
      |         ~~~~~~~~~~~~~~^~~~~~

Subtask #1
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4592 KB Wrong Answer [11]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4592 KB Wrong Answer [11]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 63.0

# 결과 실행 시간 메모리 Grader output
1 Correct 417 ms 29224 KB Output is correct : V - N = 12
2 Correct 367 ms 25620 KB Output is correct : V - N = 12
3 Correct 133 ms 13828 KB Output is correct : V - N = 12
4 Execution timed out 3048 ms 5208 KB Time limit exceeded
5 Halted 0 ms 0 KB -