#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define F first
#define S second
#define pll pair<ll, ll>
#define vll vector<ll>
#define vllll vector<vector<ll, ll>>
#define debug(...) cout<<" [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "<<'\n';
typedef long long ll;
const int inf=1e9+5;
const int mxN=1e5+5;
vector<pair<int, int>> adj[mxN];
int dis[mxN];
bool done[mxN];
int travel_plan(int n, int m, int r[][2], int l[], int k, int p[]){
memset(done, 0, sizeof(done));
priority_queue<pair<int, int>> pq;
for(int i=0;i<n;i++){
dis[i]=inf;
}
for(int i=0;i<m;i++){
adj[r[i][0]].pb({r[i][1], l[i]});
adj[r[i][1]].pb({r[i][0], l[i]});
}
for(int i=0;i<k;i++){
dis[p[i]]=0;
pq.push({0, p[i]});
}
while(!pq.empty()){
pair<int, int> cur=pq.top(); pq.pop();
if(dis[cur.S]<inf && cur.F!=0) continue;
if(!done[cur.S] && cur.F!=0){
done[cur.S]=1;
continue;
}
dis[cur.S]=min(-cur.F, dis[cur.S]);
for(auto it:adj[cur.S]){
pq.push({-(-cur.F+it.S), it.F});
}
}
return dis[0];
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int r[7][2]={{0, 2}, {0, 3}, {3, 2}, {2, 1}, {0, 1}, {0, 4}, {3, 4}};
int l[7]={4, 3, 2, 10, 100, 7, 9};
int p[2]={1, 3};
cout<<travel_plan(5, 7, r, l, 2, p);
return 0;
}
/*test case
*/
Compilation message
/usr/bin/ld: /tmp/ccfnGPcl.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccaSyOJk.o:crocodile.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status