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Submission #367445

# Submission time Handle Problem Language Result Execution time Memory
367445 2021-02-17T11:16:52 Z alextodoran Restore Array (RMI19_restore) C++17
100 / 100
 95 ms 1132 KB 
/**
 ____ ____ ____ ____ ____
||a |||t |||o |||d |||o ||
||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N_MAX = 5002;
const int M_MAX = 10002;

int n, m;

struct Edge
{
    int u;
    int len;
};

vector <Edge> edges[N_MAX];

void addMinDiff (int u, int v, int d)
{
    edges[u].push_back(Edge{v, -d});
}

void addMaxDiff (int u, int v, int d)
{
    edges[v].push_back(Edge{u, d});
}

int dist[N_MAX];

queue <int> q;

int times[N_MAX];

bool inq[N_MAX];

bool BellmanFord ()
{
    for(int i = 0; i <= n; i++)
        dist[i] = INT_MAX;
    dist[0] = 0;
    inq[0] = true;
    q.push(0);
    while(q.empty() == false)
    {
        int u = q.front();
        q.pop();
        inq[u] = false;
        for(Edge &e : edges[u])
            if(dist[u] + e.len < dist[e.u])
            {
                dist[e.u] = dist[u] + e.len;
                if(dist[e.u] < 0)
                    return false;
                if(inq[e.u] == false)
                {
                    q.push(e.u);
                    inq[e.u] = true;
                }
            }
    }
    return true;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; i++)
    {
        addMinDiff(i, i - 1, 0);
        addMaxDiff(i, i - 1, 1);
    }
    for(int i = 1; i <= m; i++)
    {
        int l, r, k;
        bool val;
        cin >> l >> r >> k >> val;
        l++;
        r++;
        if(val == 0)
            addMinDiff(r, l - 1, k);
        else
            addMaxDiff(r, l - 1, k - 1);
    }
    if(BellmanFord() == true)
    {
        for(int i = 1; i <= n; i++)
            cout << 1 - (dist[i] - dist[i - 1]) << " ";
        cout << "\n";
    }
    else
        cout << "-1\n";
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1004 KB Output is correct
2 Correct 7 ms 1004 KB Output is correct
3 Correct 5 ms 1004 KB Output is correct
4 Correct 6 ms 1004 KB Output is correct
5 Correct 5 ms 1004 KB Output is correct
6 Correct 5 ms 1004 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1004 KB Output is correct
2 Correct 7 ms 1004 KB Output is correct
3 Correct 5 ms 1004 KB Output is correct
4 Correct 6 ms 1004 KB Output is correct
5 Correct 5 ms 1004 KB Output is correct
6 Correct 5 ms 1004 KB Output is correct
7 Correct 13 ms 1060 KB Output is correct
8 Correct 12 ms 1004 KB Output is correct
9 Correct 12 ms 1132 KB Output is correct
10 Correct 19 ms 1004 KB Output is correct
11 Correct 5 ms 1004 KB Output is correct
12 Correct 5 ms 1004 KB Output is correct
13 Correct 17 ms 1004 KB Output is correct
14 Correct 31 ms 1004 KB Output is correct
15 Correct 83 ms 1004 KB Output is correct
16 Correct 95 ms 1132 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 5 ms 1004 KB Output is correct
12 Correct 7 ms 1004 KB Output is correct
13 Correct 5 ms 1004 KB Output is correct
14 Correct 6 ms 1004 KB Output is correct
15 Correct 5 ms 1004 KB Output is correct
16 Correct 5 ms 1004 KB Output is correct
17 Correct 13 ms 1060 KB Output is correct
18 Correct 12 ms 1004 KB Output is correct
19 Correct 12 ms 1132 KB Output is correct
20 Correct 19 ms 1004 KB Output is correct
21 Correct 5 ms 1004 KB Output is correct
22 Correct 5 ms 1004 KB Output is correct
23 Correct 17 ms 1004 KB Output is correct
24 Correct 31 ms 1004 KB Output is correct
25 Correct 83 ms 1004 KB Output is correct
26 Correct 95 ms 1132 KB Output is correct
27 Correct 8 ms 1004 KB Output is correct
28 Correct 8 ms 1004 KB Output is correct
29 Correct 10 ms 1004 KB Output is correct
30 Correct 11 ms 1004 KB Output is correct
31 Correct 10 ms 1004 KB Output is correct
32 Correct 8 ms 1004 KB Output is correct
33 Correct 6 ms 1004 KB Output is correct
34 Correct 5 ms 1024 KB Output is correct
35 Correct 9 ms 1004 KB Output is correct
36 Correct 8 ms 1004 KB Output is correct