#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long
#define double long double
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define all(a) (a).begin(), (a).end()
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define MAXN 100005
#define INF 1000000005
#define LINF 1000000000000000005ll
#define CODE_START ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll dpc[100005],dp[100005];
struct edge{
ll f,s;
bool operator < (edge const &a) const{
return s>a.s;
}
};
vector<edge>g[100005];
int travel_plan(int N,int M,int R[][2],int L[],int K,int P[]){
for(ll i=0;i<M;i++)
{
g[R[i][0]].pb({R[i][1],L[i]});
g[R[i][1]].pb({R[i][0],L[i]});
}
priority_queue<edge>q;
for(ll i=0;i<K;i++)
{
dpc[P[i]]=1;
q.push({P[i],0});
}
while(!q.empty()){
ll node,c;
node=q.top().f;
c=q.top().s;
q.pop();
dpc[node]++;
if(dpc[node]==2){
dp[node]=c;
if(node==0){
break;
}
for(auto it : g[node]){
edge e=it;
if(dpc[e.f]<2){
q.push({e.f,dp[node]+e.s});
}
}
}
}
if(dpc[0]<2){
return -1;
}else return dp[0];
}
/*
int32_t main(){
CODE_START;
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2668 KB |
Output is correct |
2 |
Correct |
2 ms |
2668 KB |
Output is correct |
3 |
Correct |
2 ms |
2796 KB |
Output is correct |
4 |
Correct |
3 ms |
2796 KB |
Output is correct |
5 |
Correct |
3 ms |
2796 KB |
Output is correct |
6 |
Correct |
3 ms |
2796 KB |
Output is correct |
7 |
Correct |
3 ms |
2796 KB |
Output is correct |
8 |
Correct |
3 ms |
2796 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2668 KB |
Output is correct |
2 |
Correct |
2 ms |
2668 KB |
Output is correct |
3 |
Correct |
2 ms |
2796 KB |
Output is correct |
4 |
Correct |
3 ms |
2796 KB |
Output is correct |
5 |
Correct |
3 ms |
2796 KB |
Output is correct |
6 |
Correct |
3 ms |
2796 KB |
Output is correct |
7 |
Correct |
3 ms |
2796 KB |
Output is correct |
8 |
Correct |
3 ms |
2796 KB |
Output is correct |
9 |
Correct |
4 ms |
3180 KB |
Output is correct |
10 |
Correct |
2 ms |
2668 KB |
Output is correct |
11 |
Correct |
3 ms |
2924 KB |
Output is correct |
12 |
Correct |
7 ms |
3820 KB |
Output is correct |
13 |
Correct |
6 ms |
3948 KB |
Output is correct |
14 |
Correct |
2 ms |
2796 KB |
Output is correct |
15 |
Correct |
3 ms |
2796 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2668 KB |
Output is correct |
2 |
Correct |
2 ms |
2668 KB |
Output is correct |
3 |
Correct |
2 ms |
2796 KB |
Output is correct |
4 |
Correct |
3 ms |
2796 KB |
Output is correct |
5 |
Correct |
3 ms |
2796 KB |
Output is correct |
6 |
Correct |
3 ms |
2796 KB |
Output is correct |
7 |
Correct |
3 ms |
2796 KB |
Output is correct |
8 |
Correct |
3 ms |
2796 KB |
Output is correct |
9 |
Correct |
4 ms |
3180 KB |
Output is correct |
10 |
Correct |
2 ms |
2668 KB |
Output is correct |
11 |
Correct |
3 ms |
2924 KB |
Output is correct |
12 |
Correct |
7 ms |
3820 KB |
Output is correct |
13 |
Correct |
6 ms |
3948 KB |
Output is correct |
14 |
Correct |
2 ms |
2796 KB |
Output is correct |
15 |
Correct |
3 ms |
2796 KB |
Output is correct |
16 |
Correct |
569 ms |
97472 KB |
Output is correct |
17 |
Correct |
88 ms |
17792 KB |
Output is correct |
18 |
Correct |
107 ms |
20204 KB |
Output is correct |
19 |
Correct |
654 ms |
101528 KB |
Output is correct |
20 |
Correct |
343 ms |
84640 KB |
Output is correct |
21 |
Correct |
46 ms |
9836 KB |
Output is correct |
22 |
Correct |
461 ms |
64620 KB |
Output is correct |