#include "crocodile.h"
#include <bits/stdc++.h>
using namespace std;
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
vector<vector<pair<long long,long long>>>adj(N);
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]});
}
vector<bool>visited(N,false);
vector<vector<long long>>dp(N,vector<long long>(2,1e9));
for (int i = 0;i<K;++i){dp[P[i]][0] = 0;dp[P[i]][1] = 0;visited[P[i]] = true;}
function<long long(int)>dfs = [&](int u){
if (visited[u])return dp[u][1];
visited[u] = true;
for (auto x:adj[u]){
long long temp = dfs(x.first) + x.second;
if (temp < dp[u][0]){
dp[u][1] = dp[u][0];
dp[u][0] = temp;
}
else if (temp < dp[u][1]){
dp[u][1] = temp;
}
}
return dp[u][1];
};
long long ans = dfs(0);
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
2 ms |
596 KB |
Output is correct |
10 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
2 ms |
596 KB |
Output is correct |
10 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |