#include<bits/stdc++.h>
#include"crocodile.h"
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define ll long long
#define ld long double
#define vl vector<ll>
#define vi vector<int>
#define all(v) v.begin(), v.end()
#define pb push_back
#define pii pair<int, int>
#define pll pair<ll, ll>
#define f first
#define s second
using namespace std;
using namespace __gnu_pbds;
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const int sz = 1e5+5;
vector<pii>g[sz];
int vis[sz], e[sz], k = 0, i;
ll dist[sz], maxx = 0;
priority_queue<pll>pq
void dijkstra(ll node)
{
while(!pq.empty())
{
ll x = pq.top().f;
ll a = pq.top().s;
pq.pop();
vis[a]++;
if(vis[a] == 2){
if(a == 0)
{
maxx = -x;
return;
}
for(auto [u, w] : g[a])
pq.push({x - w, u});
}
}
}
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
maxx = 0;
for(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]});
}
for(i = 0; i < K; i++)
{
vis[P[i]] = 1;
pq.push({0, P[i]});
}
return maxx;
}
Compilation message
crocodile.cpp:23:1: error: expected initializer before 'void'
23 | void dijkstra(ll node)
| ^~~~
crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:53:8: error: 'pq' was not declared in this scope; did you mean 'pb'?
53 | pq.push({0, P[i]});
| ^~
| pb
