Submission #1002337

#	Time	Username	Problem	Language	Result	Execution time	Memory
1002337		Valters07	Jobs (BOI24_jobs)	C++14	11 / 100	85 ms	27988 KiB

Main

#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#define fio ios_base::sync_with_stdio(0);cin.tie(0);
#define en cin.close();return 0;
#define ll long long
#define pb push_back
#define fi first
#define se second
using namespace std;
const int N = 3e5+5;
vector<int> g[N];
ll a[N], dp[N];
void dfs(int u)
{
    for(auto v:g[u])
        dfs(v),
        dp[u]+=dp[v];
    dp[u]=max(0ll,dp[u]+a[u]);
}
int main()
{
    fio
//    ifstream cin("in.in");
    int n;
    cin >> n >> a[0];
    for(int i = 1;i<=n;i++)
    {
        cin >> a[i];
        int p;
        cin >> p;
        g[p].pb(i);
    }
    dfs(0);
    cout << dp[0]-a[0];
    return 0;
}

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