oj.uz

Submission #1071715

# Submission time Handle Problem Language Result Execution time Memory
1071715 2024-08-23T10:23:55 Z _callmelucian Lottery (CEOI18_lot) C++14
0 / 100
 532 ms 2652 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pl;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tt;

#define all(a) a.begin(), a.end()
#define filter(a) a.erase(unique(all(a)), a.end())

struct state {
    deque<int> vec, freq;
    state (int n, int sz) : vec(n), freq(sz + 1) { freq[0] = n; }

    void change (int pos, int val) {
        if (0 <= pos && pos < vec.size())
            freq[vec[pos]]--, vec[pos] += val, freq[vec[pos]]++;
    }

    void shift (int val) {
        vec.push_front(val);
        freq[val]++, freq[vec.back()]--;
        vec.pop_back();
    }
};

const int mn = 1e4 + 4;
vector<int> pos[mn];
int a[mn], ans[100][mn];

int calc (int u, int v, int k) {
    int ans = 0;
    for (int i = u, j = v, cnt = 0; cnt < k; i++, j++, cnt++)
        if (a[i] == a[j]) ans++;
    return ans;
}

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

    int n, k; cin >> n >> k;
    for (int i = 0; i < n; i++) {
        cin >> a[i];
        pos[a[i]].push_back(i);
    }
    int q; cin >> q;
    vector<pii> qry(q);
    for (int i = 0; i < q; i++) {
        int dl; cin >> dl;
        qry[i] = {dl, i};
    }
    sort(all(qry));

    state helper(n - k + 1, k);
    for (int i = 0; i < k; i++)
        for (int p : pos[a[i]]) helper.change(p - i, 1);

    for (int i = 0; i + k - 1 < n; i++) {
        int iter = k + 1, cur = 0;
        for (pii it : qry) {
            int dl, id; tie(dl, id) = it;
            int minSame = k - dl;

            while (iter > minSame)
                cur += helper.freq[--iter];
            ans[id][i] = cur;
        }

        for (int p : pos[a[i]]) helper.change(p, -1);
        if (i + k < n) {
            for (int p : pos[a[i + k]]) helper.change(p - k, 1);
            helper.shift(calc(0, i + 1, k));
        }
    }

    for (int i = 0; i < q; i++) {
        for (int j = 0; j + k - 1 < n; j++) cout << ans[i][j] - 1 << " ";
        cout << "\n";
    }

    return 0;
}

Compilation message

lot.cpp: In member function 'void state::change(int, int)':
lot.cpp:18:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |         if (0 <= pos && pos < vec.size())
      |                         ~~~~^~~~~~~~~~~~

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Runtime error 1 ms 860 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Runtime error 1 ms 860 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 532 ms 856 KB Output is correct
2 Correct 504 ms 1112 KB Output is correct
3 Correct 128 ms 860 KB Output is correct
4 Runtime error 1 ms 1116 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 532 ms 856 KB Output is correct
2 Correct 504 ms 1112 KB Output is correct
3 Correct 128 ms 860 KB Output is correct
4 Runtime error 1 ms 1116 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Runtime error 1 ms 860 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -