Submission #123013

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
123013	2019-06-30 01:55:35	model_code	Valley (BOI19_valley)	C++17	100 / 100	807 ms	43140 KiB

valley

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#include <iostream>
#include <vector>
using namespace std;
typedef long long ll;
const int maxn = 200005;
const int maxlg = 20;
const ll inf = 1LL << 60;
vector<pair<int, ll>> adj [maxn];
ll height [maxn];
int lvl [maxn];
ll dp [maxn];
bool store [maxn];
int start_time [maxn];
int end_time [maxn];
int cur_time;
void build_dp (int vertex, int parent, ll cur_height) {
  cur_time++;
  start_time[vertex] = cur_time;
  
  height[vertex] = cur_height;
  lvl[vertex] = lvl[parent] + 1;
  for (pair<int, ll> nxt : adj[vertex]) {
    if (nxt.first != parent) {
      build_dp(nxt.first, vertex, cur_height + nxt.second);
    }
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 27 / 27
• Subtask 3: 23 / 23
• Subtask 4: 41 / 41