Submission #1128833

#	Time	Username	Problem	Language	Result	Execution time	Memory
1128833		mnbvcxz123	Restore Array (RMI19_restore)	C++20	100 / 100	267 ms	820 KiB

restore

#include <bits/stdc++.h>

using namespace std;

const int MAX = 1e4 + 5;

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

    int N, M;
    cin >> N >> M;

    vector<tuple<int, int, int>> edges;
    for(int i = 0; i < M; ++i){
        int l, r, k, v;
        cin >> l >> r >> k >> v;
        ++r;

        if(v == 0){
             edges.emplace_back(l, r, -k);
        } else{
            edges.emplace_back(r, l, k - 1);
        }
    }

    for(int i = 0; i < N; ++i){
        edges.emplace_back(i + 1, i, 1);
        edges.emplace_back(i, i + 1, 0);
    }

    const int inf = 1e9;
    vector<int> f(N + 1, inf);

    f[0] = 0;
    for(int rep = 0; rep < N; ++rep){
        for(auto [u, v, w] : edges){
            if(f[v] > f[u] + w){
                f[v] = f[u] + w;
            }
        }
    }

    for(auto [u, v, w] : edges){
        if(f[v] > f[u] + w){
            cout << -1 << '\n';
            return 0;
        }
    }

    for(int i = 0; i < N; ++i){
        if(abs(f[i+1]-f[i])==1)cout<<0<<' ';
        else cout<<1<<' ';
    }

    return 0;
}

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