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Submission #1080636

# Submission time Handle Problem Language Result Execution time Memory
1080636 2024-08-29T11:46:29 Z serifefedartar Akcija (COCI21_akcija) C++17
50 / 110
 1087 ms 63056 KB 
#include <bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(0);cin.tie(0)
typedef long long ll;
#define f first
#define s second
#define LOGN 21
const ll MOD = 1e9 + 7;
const ll MAXN = 2100;

#define int long long
vector<pair<int,int>> v;
int sg[4*MAXN], lazy[4*MAXN];
void init(int k, int a, int b) {
    if (a == b) {
        sg[k] = a;
        lazy[k] = 0;
        return ;
    }
    init(2*k, a, (a+b)/2);
    init(2*k+1, (a+b)/2+1, b);
    sg[k] = min(sg[2*k], sg[2*k+1]);
    lazy[k] = 0;
}

void push(int k, int a, int b) {
    if (lazy[k]) {
        sg[k] += lazy[k];
        if (a != b) {
            lazy[2*k] += lazy[k];
            lazy[2*k+1] += lazy[k];
        }
        lazy[k] = 0;
    }
}

void update(int k, int a, int b, int q_l, int q_r, int val) {
    push(k, a, b);
    if (b < q_l || a > q_r)
        return ;
    if (q_l <= a && b <= q_r) {
        lazy[k] += val;
        push(k, a, b);
        return ;
    }
    update(2*k, a, (a+b)/2, q_l, q_r, val);
    update(2*k+1, (a+b)/2+1, b, q_l, q_r, val);
    sg[k] = min(sg[2*k], sg[2*k+1]);
}

int query(int k, int a, int b, int q_l, int q_r) {
    push(k, a, b);
    if (b < q_l || a > q_r)
        return 1e9;
    if (q_l <= a && b <= q_r)
        return sg[k];
    return min(query(2*k, a, (a+b)/2, q_l, q_r), query(2*k+1, (a+b)/2+1, b, q_l, q_r));
}

struct Partition {
    int n = 2100;
    vector<int> ban, here;
    int cnt = 0, cost = 0;
    Partition(vector<int> _ban) : ban(_ban) {
        n = ban.size();
        cnt = cost = 0;
        init(1, 1, n);
        for (int i = 0; i < n; i++) {
            if (ban[i] || query(1, 1, n, v[i].s, n) == 0)
                continue;
            cnt++;
            cost += v[i].f;
            here.push_back(i);
            update(1, 1, n, v[i].s, n, -1);
        }
    }
};

bool operator <(Partition A, Partition B) {
    return make_pair(-A.cnt, A.cost) > make_pair(-B.cnt, B.cost);
}

signed main() {
    fast;
    int n, k;
    cin >> n >> k;

    v = vector<pair<int,int>>(n);
    for (int i = 0; i < n; i++)
        cin >> v[i].f >> v[i].s;
    sort(v.begin(), v.end());

    priority_queue<Partition> pq;
    pq.push(vector<int>(n));
    while (!pq.empty()) {
        Partition Q = pq.top();
        pq.pop();
        cout << Q.cnt << " " << Q.cost << "\n";
        k--;
        if (k == 0)
            exit(0);

        vector<int> ban_here = Q.ban;
        for (auto u : Q.here) {
            ban_here[u] = true;
            pq.push(Partition(ban_here));
            ban_here[u] = false;
        }
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 1 ms 632 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 1 ms 632 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 520 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1010 ms 59664 KB Output is correct
2 Correct 1048 ms 63056 KB Output is correct
3 Correct 878 ms 54628 KB Output is correct
4 Correct 882 ms 55028 KB Output is correct
5 Correct 1087 ms 62468 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 652 KB Output is correct
9 Correct 10 ms 1024 KB Output is correct
10 Correct 211 ms 21588 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 61 ms 10960 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 121 ms 16728 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 1 ms 632 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 520 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1010 ms 59664 KB Output is correct
28 Correct 1048 ms 63056 KB Output is correct
29 Correct 878 ms 54628 KB Output is correct
30 Correct 882 ms 55028 KB Output is correct
31 Correct 1087 ms 62468 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 652 KB Output is correct
35 Correct 10 ms 1024 KB Output is correct
36 Correct 211 ms 21588 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Incorrect 61 ms 10960 KB Output isn't correct
41 Halted 0 ms 0 KB -