Submission #756363

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
756363	2023-06-11 15:48:04	Desh03	Election Campaign (JOI15_election_campaign)	C++17	100 / 100	237 ms	30176 KiB

election_campaign

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#include <bits/stdc++.h>
using namespace std;
vector<int> in, out, dep, dp, dp2;
vector<vector<int>> g, up;
vector<vector<tuple<int, int, int>>> qr;
int t, lg;
struct fenwick {
    vector<int> fenw;
    int n;
    void init(int n_) {
        fenw.resize(n = n_);
    }
    void upd(int u, int x) {
        for (; u < n; u |= u + 1) fenw[u] += x;
    }
    int qry(int u) {
        int s = 0;
        for (; u >= 0; u = (u & (u + 1)) - 1) s += fenw[u];
        return s;
    }
    int qry(int l, int r) {
        return qry(r) - qry(l - 1);
    }
} fen;
void dfs(int u) {
    in[u] = t++;
    for (int i = 1; i < lg; i++) up[i][u] = up[i - 1][up[i - 1][u]];
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40