Submission #548174

#	Time	Username	Problem	Language	Result	Execution time	Memory
548174		CommandMaster	Restore Array (RMI19_restore)	C++17	100 / 100	453 ms	1044 KiB

restore

#include <bits/stdc++.h>
using namespace std;
#define ll int
#define vll vector<ll>
#define vvll vector<vll>
#define pll pair<ll,ll>

int main() {
    ll n, m;
    cin >> n >> m;
    vector<pair<pair<ll, ll>, ll>> graph(n+1);
    for (ll i = 0; i < n; i++) graph.push_back({{i, i+1}, 1}), graph.push_back({{i+1, i}, 0});
    for (ll i = 0; i < m; i++) {
        ll l, r, k, v;
        cin >> l >> r >> k >> v;
        k--;
        if (v == 1) {
            // cout << l << ' ' << r+1 << ' ' << -((r-l+1)-k) << endl;
            graph.push_back({{r+1, l}, k-(r-l+1)});
        } else {
            // cout << r+1 << ' ' << l << ' ' << (r-l+1)-k-1 << endl;
            graph.push_back({{l, r+1}, (r-l+1)-k-1});
        }
    }
    vll dist(n+1, 1e9);
    dist[0] = 0;
    bool changed = true;
    for (ll i = 0; i < n+2; i++) {
        // for (ll j = 0; j < n+1; j++) cout << dist[j] << ' ';
        // cout << endl;
        changed = false;
        for (auto e : graph) {
            if (dist[e.first.second] > dist[e.first.first] + e.second) {
                changed = true;
                dist[e.first.second] = dist[e.first.first] + e.second;
            }
        }
        if (!changed) break;
    }
    if (changed) {
        cout << -1 << endl;
        return 0;
    }
    for (ll i = 0; i < n; i++) cout << dist[i+1] - dist[i] << ' ';
    cout << endl;
}

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 25 / 25
• Subtask 4: 55 / 55