Submission #1186984

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186984		vusal	Vinjete (COI22_vinjete)	C++20	0 / 100	14 ms	24136 KiB

Main

#include <bits/stdc++.h>
// author: vusal
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

#define int long long

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int oo = 1e18 + 9;
const int sz = 1e5+7;
const int MOD = 1e9+7;

int n, m;
vector<array<int,3>>g[sz];
vector<pair<int,int>>v[sz];
vector<bool>vis(sz, false);

void solve() {
    cin >> n >> m;

    for(int i = 0; i < n -1; i++)
    {
        int u, v, l, r;
        cin >> u >> v >> l >> r;

        g[u].push_back({v, l, r});
        g[v].push_back({u, l, r});
    }

    queue<int>q;
    q.push(1);
    vis[1] = 1;

    while(!q.empty())
    {
        int u = q.front();q.pop();
        for(auto &[to, l, r] : g[u])
        {
            if(vis[to]) continue;
            v[to] = v[u];
            v[to].push_back(make_pair(l, r));
            q.push(to);
            vis[to] = 1;
        }
    }

    for(int i = 2; i <= n; i++)
    {
        int mnl = oo, mxr = -oo;
        for(auto [l, r] : v[i])
        {
            mnl = min(mnl, l);
            mxr = max(mxr, r);
        }
        cout << mxr - mnl + 1 << endl;
    }
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int tc = 1;
    // cin >> tc;
    for(int i = 1; i <= tc; i++)
    {
        //cout << "Case " << i << ":";
        solve();
    }
    return 0;
}

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