Submission #1165721

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1165721	2025-03-12 12:50:09	_rain_	Factories (JOI14_factories)	C++20	33 / 100	8090 ms	134392 KiB

factories

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#include<bits/stdc++.h>
#include "factories.h"
using namespace std;
typedef long long LL;
const int N=(int)1e6;
const int MAXLOG=19;
const LL INF=1e18+7;
vector<pair<int,int>>ke[N+2];
#define fi first
#define se second
void add_canh(int u,int v,int c){
  ke[u].push_back({v,c}),ke[v].push_back({u,c});
  return;
}
int par[N+2][MAXLOG+2];
int h[N+2];
LL d[N+2];
void pre_dfs(int u,int p){
  h[u]=h[p]+1;
  par[u][0]=p;
  for(int i=1;i<=MAXLOG;++i) 
    par[u][i]=par[par[u][i-1]][i-1];
  for(auto&v:ke[u]){
    if (v.fi==p) continue;
    d[v.fi]=d[u]+v.se;
    pre_dfs(v.fi,u);
  }
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 18 / 18
• Subtask 3: 0 / 67