Submission #1272179

#	Time	Username	Problem	Language	Result	Execution time	Memory
1272179		hi_sam	Jobs (BOI24_jobs)	C++20	0 / 100	87 ms	17776 KiB

Main

#include <bits/stdc++.h>

#define int long long
#define vi vector<int>
#define vs vector<string>
#define vc vector<char>
#define vii vector<vi>
#define fi first
#define pii pair<int, int>
#define se second
#define mp make_pair
#define all(v) v.begin(), v.end()
#define pqi priority_queue<int>
#define pb push_back

int dx[4] = {-1, 0, 1, 0};
int dy[4] = {0, -1, 0, 1};
const int mod = 998244353;

using namespace std;

int n, s;
vii adj;
vi v;

int f(int cur) {
    int sum = v[cur];

    for(auto i : adj[cur]) {
        int temp = f(i);
        if(temp > 0) sum += temp;
    }

    return sum;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    
while(cin >> n >> s) {
    adj.clear(); adj.resize(n);
    v.clear(); v.resize(n);

    queue<int> q;
    for(int i = 0; i < n; i++) {
        int x, p; cin >> x >> p;
        v[i] = x;
        if(p > 0) {
            p--;
            adj[p].push_back(i);
        }
        else q.push(i);
    }

    while(!q.empty()) {
        int sum = f(q.front());
        q.pop();

        if(sum > 0) s += sum;
    }

    cout << s << endl;
}
}

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