#include <bits/stdc++.h>
using namespace std;
const int N=2e5+1;
struct nod
{
int unde;
long long cost;
};
struct coada
{
int unde;
long long cost;
};
struct compare
{
bool operator()(coada &x,coada &y)
{
return x.cost>y.cost;
}
};
vector<nod>adj[N];
long long best[N][2];
bool found_first[N];
int travel_plan(int n,int m,int r[][2],int l[],int k,int p[])
{
for(int i=0;i<m;i++)
{
adj[r[i][0]].push_back({r[i][1],l[i]});
adj[r[i][1]].push_back({r[i][0],l[i]});
}
for(int i=0;i<n;i++)
{
best[i][0]=best[i][1]=1e12+1;
}
priority_queue<coada,vector<coada>,compare>pq;
for(int i=0;i<k;i++)
{
best[p[i]][0]=0;
best[p[i]][1]=0;
pq.push({p[i],0});
}
while(!pq.empty())
{
int nod=pq.top().unde;
long long cost=pq.top().cost;
pq.pop();
if(cost!=best[nod][1])
continue;
for(auto u:adj[nod])
{
if(best[u.unde][0]>cost+u.cost)
{
best[u.unde][1]=best[u.unde][0];
best[u.unde][0]=cost+u.cost;
if(found_first[u.unde])
pq.push({u.unde,best[u.unde][1]});
found_first[u.unde]=true;
}
else
if(best[u.unde][1]>cost+u.cost)
{
best[u.unde][1]=cost+u.cost;
pq.push({u.unde,best[u.unde][1]});
}
}
}
return best[0][1];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
6232 KB |
Output is correct |
2 |
Correct |
1 ms |
6236 KB |
Output is correct |
3 |
Correct |
2 ms |
6236 KB |
Output is correct |
4 |
Correct |
2 ms |
6236 KB |
Output is correct |
5 |
Correct |
2 ms |
6236 KB |
Output is correct |
6 |
Correct |
2 ms |
6236 KB |
Output is correct |
7 |
Correct |
2 ms |
6236 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
6232 KB |
Output is correct |
2 |
Correct |
1 ms |
6236 KB |
Output is correct |
3 |
Correct |
2 ms |
6236 KB |
Output is correct |
4 |
Correct |
2 ms |
6236 KB |
Output is correct |
5 |
Correct |
2 ms |
6236 KB |
Output is correct |
6 |
Correct |
2 ms |
6236 KB |
Output is correct |
7 |
Correct |
2 ms |
6236 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
3 ms |
6488 KB |
Output is correct |
10 |
Correct |
2 ms |
6236 KB |
Output is correct |
11 |
Correct |
2 ms |
6236 KB |
Output is correct |
12 |
Correct |
4 ms |
6972 KB |
Output is correct |
13 |
Correct |
3 ms |
7004 KB |
Output is correct |
14 |
Correct |
2 ms |
6236 KB |
Output is correct |
15 |
Correct |
2 ms |
6236 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
6232 KB |
Output is correct |
2 |
Correct |
1 ms |
6236 KB |
Output is correct |
3 |
Correct |
2 ms |
6236 KB |
Output is correct |
4 |
Correct |
2 ms |
6236 KB |
Output is correct |
5 |
Correct |
2 ms |
6236 KB |
Output is correct |
6 |
Correct |
2 ms |
6236 KB |
Output is correct |
7 |
Correct |
2 ms |
6236 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
3 ms |
6488 KB |
Output is correct |
10 |
Correct |
2 ms |
6236 KB |
Output is correct |
11 |
Correct |
2 ms |
6236 KB |
Output is correct |
12 |
Correct |
4 ms |
6972 KB |
Output is correct |
13 |
Correct |
3 ms |
7004 KB |
Output is correct |
14 |
Correct |
2 ms |
6236 KB |
Output is correct |
15 |
Correct |
2 ms |
6236 KB |
Output is correct |
16 |
Correct |
271 ms |
82940 KB |
Output is correct |
17 |
Correct |
45 ms |
20636 KB |
Output is correct |
18 |
Correct |
54 ms |
23412 KB |
Output is correct |
19 |
Correct |
301 ms |
89400 KB |
Output is correct |
20 |
Correct |
184 ms |
68944 KB |
Output is correct |
21 |
Correct |
25 ms |
13136 KB |
Output is correct |
22 |
Incorrect |
197 ms |
64340 KB |
Output isn't correct |
23 |
Halted |
0 ms |
0 KB |
- |