Submission #820166

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
820166	2023-08-10 22:15:27	PenguinsAreCute	Race (IOI11_race)	C++17	100 / 100	393 ms	106956 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define re first
#define im second
#define mp make_pair
#define pb push_back
#define LL_MAX LONG_LONG_MAX
#define LL_MIN LONG_LONG_MIN
#define speed ios_base::sync_with_stdio(false); cin.tie(0)
#define stMx(a,b) a = max(a,b)
#define stMn(a,b) a = min(a,b)
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef set<int> si;
typedef vector<ii> vii;
typedef set<ii> sii;
#define REP(i, a, b) for(int i = a; i < b; i++)
#define MAXN 200069
#define INF 314159265358979323
int ans=INF,k;
vii adj[MAXN];
int lazy_dist[MAXN], lazy_highways[MAXN];
map<int,int> min_dist[MAXN];
void dfs(int x, int p) {
  min_dist[x][0]=0;
  for(auto i: adj[x]) if(i.re!=p) {
    dfs(i.re, x);
    lazy_dist[i.re]+=i.im;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57