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답안 #672548

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
672548 2022-12-16T14:45:17 Z mmk 악어의 지하 도시 (IOI11_crocodile) C++14
0 / 100
 2000 ms 4948 KB 
#include "crocodile.h"
#include<bits/stdc++.h>
#define INF 0x3f3f3f3f3f3f3f3f
#define ll long long
using namespace std;
const int MAXN = 1e5+10;
ll Dist1[MAXN], Dist2[MAXN];
int marc[MAXN];
vector<ll> grafo[MAXN];
vector<ll> weight[MAXN];
int travel_plan(int n, int m, int R[][2], int L[], int K, int P[])
{
	for(int i = 0; i < n; i++)
	{
		ll a = R[i][0];
		ll b = R[i][1];
		grafo[a].push_back(b);
		grafo[b].push_back(a);
		weight[a].push_back(L[i]);
		weight[b].push_back(L[i]);
	}
	set<pair<ll,ll>> s;
	for(int i = 0; i < n; i++)
	{
		Dist1[i] = INF;
		Dist2[i] = INF;
	}
	for(int i = 0; i < K; i++)
	{
		Dist1[P[i]] = 0;
		Dist2[P[i]] = 0;
		s.insert({0,P[i]});
	}
	while(!s.empty())
	{
		ll cur = s.begin()->second;
		if(marc[cur] == 1) continue;
		marc[cur] = 1;
		for(int i = 0; i < grafo[cur].size(); i++)
		{
			ll viz = grafo[cur][i];
			ll p = weight[cur][i];
			if(Dist2[cur] + p < Dist1[viz])
			{
				Dist2[viz] = Dist1[viz];
				Dist1[viz] = Dist2[cur] + p;
				s.insert({Dist2[viz],viz});
			}
			else if(Dist2[cur] + p < Dist2[viz])
			{
				Dist2[viz] = Dist2[cur] + p;
				s.insert({Dist2[viz],viz});
			}
		}
	}
	return Dist2[0];
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   for(int i = 0; i < grafo[cur].size(); i++)
      |                  ~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2057 ms 4948 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2057 ms 4948 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2057 ms 4948 KB Time limit exceeded
2 Halted 0 ms 0 KB -