Submission #991302

#	Time	Username	Problem	Language	Result	Execution time	Memory
991302		VMaksimoski008	Jobs (BOI24_jobs)	C++17	11 / 100	68 ms	25936 KiB

Main

#include <bits/stdc++.h>

#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 3e5 + 5;
const double eps = 1e-9;

int n;
ll val[maxn], S;
vector<int> graph[maxn];

ll dfs(int u) {
    ll sum = val[u];
    for(int &v : graph[u]) sum += dfs(v);
    return max(0ll, sum);
}

int32_t main() {
    ios_base::sync_with_stdio(false);
    cout.tie(0); cin.tie(0);

    cin >> n >> S;
    for(int i=1; i<=n; i++) {
        cin >> val[i];
        int p;
        cin >> p;
        graph[p].push_back(i);
    }

    cout << dfs(0) << '\n';
    return 0;
}

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