Submission #764984

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
764984	2023-06-24 07:14:07	vjudge1	Roadside Advertisements (NOI17_roadsideadverts)	C++17	7 / 100	21 ms	11808 KiB

roadsideadverts

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//#pragma GCC optomize ("Ofast")
//#pragma GCC optomize ("unroll-loops")
//#pragma GCC target ("avx,avx2,fma")
#include <bits/stdc++.h>
#define F first
#define S second 
#define ll long long
#define int long long
#define pb push_back
#define all(x) (x.begin(),x.end())
#define ios ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);  
 
using namespace std;
  
const ll N = 2e5+9, INF = 1e18 , inf = 1e9 , mod = 1e9+7;
vector<pair<int,int>>g[N];
int p[N];
int dep[N];
int pref[N];
bool was[N];
void dfs(int v){
  was[v]=1;
  for(auto to:g[v]){
    if(to.F==p[v]||was[to.F])continue;
    p[to.F]=v;
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 0 / 23
• Subtask 3: 0 / 40
• Subtask 4: 0 / 30