제출 #482067

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
482067	2021-10-22 23:51:32	s_samchenko	Fountain (eJOI20_fountain)	C++17	100 / 100	501 ms	102808 KiB

fountain

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#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define ll long long
#define ff first
#define ss second
#define int ll
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define pb push_back
#define pii pair <int, int>
using namespace std;
const int inf = 1e15;
const int mod = 1e9+7;
const int N = 2e5+100;
vector <int> a(N), b(N), d(N);
vector < vector <pii> > g(N);
vector < vector <int> > up(N, vector <int> (20)), sum = up;
void dfs(int v, int pr, int h = 0){
  d[v] = h+1;
  up[v][0] = pr;
  for (auto to : g[v]){
    dfs(to.ff, v, h+1);
    sum[to.ff][0] = to.ss;
  }
}
int get(int r, int v){
  for (int j = 19; j >= 0; --j){
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40