Submission #372265

#	Time	Username	Problem	Language	Result	Execution time	Memory
372265		gustason	Airplanes (LMIO17_lektuvai)	C++11	11 / 100	5085 ms	3212 KiB

lektuvai

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<int> a(n);
    for(int i = 0; i < n; i++) {
        cin >> a[i];
    }
    vector<int> p(n);
    p[n-1] = -1;
    for(int i = 0; i < n-1; i++) {
        cin >> p[i];
        p[i]--;
    }

    int q;
    cin >> q;
    for(int i = 0; i < q; i++) {
        char type;
        cin >> type;
        if (type == 'I') {
            int idx;
            cin >> idx;
            idx--;
            cout << a[idx] << "\n";
        } else if (type == 'P') {
            int idx, by;
            cin >> idx >> by;
            idx--;
            a[idx] += by;
            vector<bool> vis(n+1, false);
            while(1) {
                int par = p[idx];
                if (par == -1 || vis[par]) break;
                a[par] = max(a[par], a[idx]);
                idx = par;
            }
        }
    }
    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 0 / 40
• Subtask 4: 0 / 49