Submission #854540

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
854540	2023-09-27 22:22:40	MilosMilutinovic	Fireworks (APIO16_fireworks)	C++14	100 / 100	275 ms	103292 KiB

fireworks

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#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define mp make_pair
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
int readint(){
  int x=0,f=1; char ch=getchar();
  while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
  while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
  return x*f;
}
int n,m;
vector<pii> g[300005];
multiset<ll> pts[300005];
void dfs(int x,int w){
  for(auto&p:g[x]) dfs(p.fi,p.se);
  int ch=-1;
  for(auto&p:g[x]) if(ch==-1||(int)pts[ch].size()<(int)pts[p.fi].size()) ch=p.fi;
  if(ch!=-1) swap(pts[x],pts[ch]);
  for(auto&p:g[x]) if(p.fi!=ch) for(ll pt:pts[p.fi]) pts[x].insert(pt);
  for(int i=0;i<(int)g[x].size()-1;i++) pts[x].erase(prev(pts[x].end()));
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 19 / 19
• Subtask 3: 29 / 29
• Subtask 4: 45 / 45