제출 #548166

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
548166		CommandMaster	Restore Array (RMI19_restore)	C++17	20 / 100	682 ms	908 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<vector<pll>> graph(n+1);
    for (ll i = 0; i < n; i++) graph[i].push_back({i+1, 1}), graph[i+1].push_back({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[r+1].push_back({l, k-(r-l+1)});
        } else {
            // cout << r+1 << ' ' << l << ' ' << (r-l+1)-k-1 << endl;
            graph[l].push_back({r+1, (r-l+1)-k-1});
        }
    }
    vll dist(n+1, 1e18);
    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 (ll j = 0; j < n+1; j++) {
            for (pll e : graph[j]) {
                if (dist[e.first] > dist[j] + e.second) {
                    changed = true;
                    dist[e.first] = dist[j] + 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;
}

컴파일 시 표준 에러 (stderr) 메시지

restore.cpp: In function 'int main()':
restore.cpp:25:19: warning: overflow in conversion from 'double' to 'std::vector<int>::value_type' {aka 'int'} changes value from '1.0e+18' to '2147483647' [-Woverflow]
   25 |     vll dist(n+1, 1e18);
      |                   ^~~~

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55