#include "crocodile.h"
#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
using namespace std;
typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int vis[MAXN],dis[MAXN][2];
vector<PII>adj[MAXN];
int travel_plan(int n, int m, int R[][2], int L[], int k, int P[]){
for(int i=0;i<m;i++){
int u=R[i][0],v=R[i][1],w=L[i];
adj[u].pb(mp(v,w));
adj[v].pb(mp(u,w));
}
priority_queue<PII,vector<PII>,greater<PII> >q;
memset(dis,127,sizeof dis);
for(int i=0;i<k;i++){
int x=P[i];q.push(mp(0,x));
dis[x][0]=0;vis[x]++;
}
while(q.size()){
PII go=q.top();
int nd=go.ss,val=go.ff;
q.pop();vis[nd]++;
if(vis[nd]!=2) continue;
if(nd==0 and vis[nd]==2)
return dis[0][1];
tr(it,adj[nd]){
int x=it->ff;
int way=val+it->ss;
if(vis[x]<2 and way<dis[x][1]){
dis[x][1]=way;
if(dis[x][1]<dis[x][0])
swap(dis[x][1],dis[x][0]);
q.push(mp(way,x));
}
}
}
return 0;
}
Compilation message
crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:10:22: error: 'typeof' was not declared in this scope
10 | #define tr(ii,c) for(typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
| ^~~~~~
crocodile.cpp:41:3: note: in expansion of macro 'tr'
41 | tr(it,adj[nd]){
| ^~
crocodile.cpp:41:6: error: 'it' was not declared in this scope; did you mean 'int'?
41 | tr(it,adj[nd]){
| ^~
crocodile.cpp:10:57: note: in definition of macro 'tr'
10 | #define tr(ii,c) for(typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
| ^~
