#include<bits/stdc++.h>
#include "dreaming.h"
using namespace std;
#define pii pair<int, int>
struct Tree{
vector<vector<pii>> adj;
vector<int> longest;
int min_len = 1e9;
int diameter= 0;
};
const int MAX_N= 1e5;
vector<pii> madj[MAX_N+2];
bool vis[MAX_N+2];
vector<Tree> forest;
Tree sTree;
void get_tree(int id, int anc){
//cout<<id<<endl;
vis[id] = true;
int tree_id = sTree.adj.size();
sTree.adj.push_back(vector<pii>(0));
for(auto e: madj[id]){
if(e.first!=anc){
int future_id = sTree.adj.size();
get_tree(e.first, id);
sTree.adj[tree_id].push_back(pii(future_id, e.second));
sTree.adj[future_id].push_back(pii(tree_id, e.second));
}
}
//cout<<id<<" done "<<endl;
}
pii get_len(int id, int anc, Tree& tr){
vector<int> ch;
ch.push_back(0);
ch.push_back(0);
int max_diam = 0;
for(auto e: tr.adj[id]){
if(e.first!=anc){
pii ch_ans = get_len(e.first, id, tr);
ch.push_back(ch_ans.first+1);
max_diam = max(max_diam, ch_ans.second);
}
}
sort(ch.begin(), ch.end());
return pii(ch[ch.size()-1], max(max_diam, ch[ch.size()-1]+ch[ch.size()-2]));
}
signed travelTime(signed N,signed M, signed L,signed A[], signed B[], signed T[]) {
madj.resize(N);
vis.resize(N, false);
for(int i =0; i<M; i++){
madj[A[i]-1].push_back(pii(B[i]-1, T[i]));
madj[B[i]-1].push_back(pii(A[i]-1, T[i]));
}
/*for(int i = 0; i<N; i++){
if(!vis[i]){
//cerr<<i<<endl;
sTree.adj.clear();
get_tree(i, -1);
forest.push_back(sTree);
}
}
for(int j = 0; j<forest.size(); j++){
forest[j].longest.resize(forest[j].adj.size());
for(int i = 0; i<forest[j].adj.size(); i++){
pii d = get_len(i, -1, forest[j]);
//pii d = {100, 100};
forest[j].longest[i] =d.first;
forest[j].diameter = d.second;
forest[j].min_len= min(forest[j].min_len, forest[j].longest[i]);
}
}
if(forest.size()==1){
return forest[0].diameter;
}
return max(forest[0].min_len + forest[1].min_len + L, max(forest[0].diameter, forest[1].diameter));*/
return 42;
}
Compilation message
dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:58:10: error: request for member 'resize' in 'madj', which is of non-class type 'std::vector<std::pair<int, int> > [100002]'
58 | madj.resize(N);
| ^~~~~~
dreaming.cpp:59:9: error: request for member 'resize' in 'vis', which is of non-class type 'bool [100002]'
59 | vis.resize(N, false);
| ^~~~~~
