Submission #1053549

#	Time	Username	Problem	Language	Result	Execution time	Memory
1053549		Apiram	Jobs (BOI24_jobs)	C++14	29 / 100	101 ms	24128 KiB

Main

/*
*  author : Apiram                  
*  created: 11.08.2024 14:11:10
*/

#include<bits/stdc++.h>
using namespace std;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	long long n,s;cin>>n>>s;
	vector<pair<long long,long long>>arr(n + 1);
	vector<vector<long long>>adj(n + 1);
	for (long long i = 1;i<=n;++i){
		cin>>arr[i].first>>arr[i].second;
		adj[arr[i].second].push_back(i);
	}
	long long k = s;
	priority_queue<pair<long long,long long>>q;
	for (auto x:adj[0]){
		q.push({arr[x].first,x});
	}
	while(!q.empty()){
		auto u = q.top();
		q.pop();
		if (u.first > 0){
			k+=u.first;
			for (auto x:adj[u.second]){
				q.push({arr[x].first,x});
			}
		}
		else if (k + u.first >= 0){
			for (auto x:adj[u.second]){
				q.push({arr[x].first + u.first,x});
			}	
		}
		else break;	
	}
	cout<<k - s<<'\n';	
	return 0;
}

• Subtask 1: 0 / 11
• Subtask 2: 14 / 14
• Subtask 3: 15 / 15
• Subtask 4: 0 / 29
• Subtask 5: 0 / 31