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Submission #499121

# Submission time Handle Problem Language Result Execution time Memory
499121 2021-12-27T08:59:19 Z blue RMQ (NOI17_rmq) C++17
30 / 100
 88 ms 18292 KB 
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
using namespace std;

const int lg = 16;
const int mx = 100'000;

using vi = vector<int>;

int st[mx][1+lg];
vi maxpow(1+mx);

int rangemin(int l, int r)
{
    return min(st[l][maxpow[r-l+1]], st[r - (1 << maxpow[r-l+1]) + 1][maxpow[r-l+1]]);
}

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

    maxpow[1] = 0;
    for(int i = 2; i <= mx; i++)
    {
        maxpow[i] = maxpow[i-1];
        if((1 << (maxpow[i]+1)) == i)
            maxpow[i]++;
    }

    int N, Q;
    cin >> N >> Q;

    vi le[N], re[N];

    int L[Q], R[Q], A[Q];
    for(int j = 0; j < Q; j++)
    {
        cin >> L[j] >> R[j] >> A[j];
        le[L[j]].push_back(j);
        re[R[j]].push_back(j);
    }

    multiset<int> V{0};

    vi P(N);

    for(int i = 0; i < N; i++)
    {
        for(int j: le[i])
            V.insert(A[j]);

        P[i] = *V.rbegin();

        // cerr << i << " : ";
        // for(int v: V) cerr << v << ' ';
        // cerr << '\n';
        //
        // cerr << "P[i] = " << P[i] << '\n';

        for(int j: re[i])
            V.erase(V.find(A[j]));
    }

    for(int i = 0; i < N; i++)
        st[i][0] = P[i];

    for(int e = 1; e <= lg; e++)
        for(int i = 0; i+(1<<e)-1 < N; i++)
            st[i][e] = min(st[i][e-1], st[i + (1 << (e-1))][e-1]);

    for(int j = 0; j < Q; j++)
    {
        if(rangemin(L[j], R[j]) != A[j])
        {
            for(int i = 0; i < N; i++) cout << "-1 ";
            cout << '\n';
            return 0;
        }
    }

    for(int i = 0; i < N; i++) cout << P[i] << ' ';
    cout << '\n';
}

Subtask #1
6.9 / 23.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 720 KB Output is partially correct
2 Partially correct 1 ms 720 KB Output is partially correct
3 Partially correct 1 ms 720 KB Output is partially correct
4 Partially correct 1 ms 720 KB Output is partially correct
5 Partially correct 1 ms 720 KB Output is partially correct
6 Correct 1 ms 720 KB Output is correct
7 Correct 1 ms 592 KB Output is correct
8 Correct 1 ms 720 KB Output is correct
9 Correct 2 ms 592 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Partially correct 1 ms 720 KB Output is partially correct

Subtask #2
13.2 / 44.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 720 KB Output is partially correct
2 Partially correct 1 ms 720 KB Output is partially correct
3 Partially correct 1 ms 720 KB Output is partially correct
4 Partially correct 1 ms 720 KB Output is partially correct
5 Partially correct 1 ms 720 KB Output is partially correct
6 Correct 1 ms 720 KB Output is correct
7 Correct 1 ms 592 KB Output is correct
8 Correct 1 ms 720 KB Output is correct
9 Correct 2 ms 592 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Partially correct 1 ms 720 KB Output is partially correct
12 Partially correct 2 ms 848 KB Output is partially correct
13 Partially correct 2 ms 860 KB Output is partially correct
14 Partially correct 2 ms 720 KB Output is partially correct
15 Partially correct 2 ms 848 KB Output is partially correct
16 Partially correct 2 ms 860 KB Output is partially correct
17 Partially correct 1 ms 848 KB Output is partially correct
18 Partially correct 1 ms 848 KB Output is partially correct
19 Partially correct 2 ms 724 KB Output is partially correct
20 Partially correct 1 ms 720 KB Output is partially correct
21 Correct 2 ms 720 KB Output is correct
22 Correct 2 ms 848 KB Output is correct
23 Correct 1 ms 732 KB Output is correct
24 Correct 2 ms 848 KB Output is correct
25 Correct 1 ms 720 KB Output is correct
26 Partially correct 1 ms 720 KB Output is partially correct

Subtask #3
9.9 / 33.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 720 KB Output is partially correct
2 Partially correct 1 ms 720 KB Output is partially correct
3 Partially correct 1 ms 720 KB Output is partially correct
4 Partially correct 1 ms 720 KB Output is partially correct
5 Partially correct 1 ms 720 KB Output is partially correct
6 Correct 1 ms 720 KB Output is correct
7 Correct 1 ms 592 KB Output is correct
8 Correct 1 ms 720 KB Output is correct
9 Correct 2 ms 592 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Partially correct 1 ms 720 KB Output is partially correct
12 Partially correct 2 ms 848 KB Output is partially correct
13 Partially correct 2 ms 860 KB Output is partially correct
14 Partially correct 2 ms 720 KB Output is partially correct
15 Partially correct 2 ms 848 KB Output is partially correct
16 Partially correct 2 ms 860 KB Output is partially correct
17 Partially correct 1 ms 848 KB Output is partially correct
18 Partially correct 1 ms 848 KB Output is partially correct
19 Partially correct 2 ms 724 KB Output is partially correct
20 Partially correct 1 ms 720 KB Output is partially correct
21 Correct 2 ms 720 KB Output is correct
22 Correct 2 ms 848 KB Output is correct
23 Correct 1 ms 732 KB Output is correct
24 Correct 2 ms 848 KB Output is correct
25 Correct 1 ms 720 KB Output is correct
26 Partially correct 1 ms 720 KB Output is partially correct
27 Partially correct 79 ms 16704 KB Output is partially correct
28 Partially correct 78 ms 17184 KB Output is partially correct
29 Partially correct 53 ms 15580 KB Output is partially correct
30 Partially correct 88 ms 18200 KB Output is partially correct
31 Partially correct 86 ms 14368 KB Output is partially correct
32 Partially correct 67 ms 16364 KB Output is partially correct
33 Partially correct 13 ms 10348 KB Output is partially correct
34 Partially correct 10 ms 7376 KB Output is partially correct
35 Partially correct 20 ms 12752 KB Output is partially correct
36 Correct 60 ms 16856 KB Output is correct
37 Correct 81 ms 18292 KB Output is correct
38 Correct 8 ms 8656 KB Output is correct
39 Correct 60 ms 16828 KB Output is correct
40 Correct 1 ms 720 KB Output is correct
41 Partially correct 1 ms 720 KB Output is partially correct