oj.uz

답안 #82478

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
82478 2018-10-31T02:58:15 Z rafata Commuter Pass (JOI18_commuter_pass) C++14
24 / 100
 88 ms 4428 KB 
#include <bits/stdc++.h>
using namespace std;

const long long oo=1e18;
const int N=500;
long long c[N][N];
int n,m,a,b,s,t;

int main()
{
	//freopen("i.inp","r",stdin);
	cin>>n>>m>>a>>b>>s>>t;

	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
			if(i!=j) c[i][j]=oo;
	
	for(int i=1;i<=m;i++)
	{
		long long u,v,w;
		cin>>u>>v>>w;
		c[u][v]=c[v][u]=min(c[u][v],w);
	}

	for(int k=1;k<=n;k++)
		for(int u=1;u<=n;u++)
			for(int v=1;v<=n;v++)
				if(c[u][k] && c[k][v]) c[u][v]=min(c[u][v],c[u][k]+c[k][v]);


	long long ans=c[s][t];

	for(int x=1;x<=n;x++)
		for(int y=1;y<=n;y++)
			if(c[a][x] + c[x][y]+ c[y][b] ==c[a][b]) ans=min(ans,c[x][s]+c[y][t]);

	swap(a,b);

	for(int x=1;x<=n;x++)
		for(int y=1;y<=n;y++)
			if(c[a][x] + c[x][y]+ c[y][b] ==c[a][b]) ans=min(ans,c[x][s]+c[y][t]);


	cout<<ans;
}

Subtask #1
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 26 ms 4344 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 28 ms 4428 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 68 ms 4428 KB Output is correct
2 Correct 63 ms 4428 KB Output is correct
3 Correct 45 ms 4428 KB Output is correct
4 Correct 88 ms 4428 KB Output is correct
5 Correct 72 ms 4428 KB Output is correct
6 Correct 45 ms 4428 KB Output is correct
7 Correct 50 ms 4428 KB Output is correct
8 Correct 49 ms 4428 KB Output is correct
9 Correct 45 ms 4428 KB Output is correct
10 Correct 68 ms 4428 KB Output is correct
11 Correct 43 ms 4428 KB Output is correct
12 Correct 46 ms 4428 KB Output is correct
13 Correct 45 ms 4428 KB Output is correct
14 Correct 44 ms 4428 KB Output is correct
15 Correct 44 ms 4428 KB Output is correct

Subtask #4
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 26 ms 4344 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -