Submission #777422

#	Time	Username	Problem	Language	Result	Execution time	Memory
777422		The_Samurai	Vinjete (COI22_vinjete)	C++17	27 / 100	3051 ms	524288 KiB

Main

#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2")
#include "bits/stdc++.h"

using namespace std;

int n, m;
vector<int> cnt, ans;
vector<vector<tuple<int, int, int>>> g;

void dfs(int u, int p, int l, int r) {
    for (int i = l; i <= r; i++) cnt[i]++;
    for (int i = 1; i <= m; i++) ans[u] += cnt[i] > 0;
    for (auto [v, lx, rx]: g[u]) {
        if (v != p) {
            dfs(v, u, lx, rx);
        }
    }
    for (int i = l; i <= r; i++) cnt[i]--;
}

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

    cin >> n >> m;
    g.assign(n + 1, {});
    ans.assign(n + 1, 0);
    cnt.assign(m + 1, 0);
    for (int i = 1; i < n; i++) {
        int u, v, l, r;
        cin >> u >> v >> l >> r;
        g[u].emplace_back(v, l, r);
        g[v].emplace_back(u, l, r);
    }
    dfs(1, 0, 1, 0);
    for (int i = 2; i <= n; i++) cout << ans[i] << '\n';

    return 0;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 13
• Subtask 3: 16 / 16
• Subtask 4: 0 / 29
• Subtask 5: 0 / 31