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답안 #1081158

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1081158 2024-08-29T18:53:12 Z serifefedartar Akcija (COCI21_akcija) C++17
90 / 110
 5000 ms 240664 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) {
    if (b < q_l || a > q_r)
        return 1e9;
    push(k, a, b);
    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] != -1 && (ban[i] == 1 || query(1, 1, n, v[i].s, n) == 0))
                continue;
            cnt++;
            cost += v[i].f;
            if (ban[i] != -1)
                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());
 
    set<Partition> pq;
    vector<int> Q(n, 0);
    pq.insert(Partition(Q));
    while (!pq.empty()) {
        Partition Q = *prev(pq.end());
        pq.erase(prev(pq.end()));
 
        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] = 1;
            Partition K = Partition(ban_here);
 //           if (pq.size() > k && K < *(pq.begin()))
   //             break;
            pq.insert(K);
            ban_here[u] = -1;
        }
    }
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 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 348 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 1 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 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 348 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 1 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 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 604 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 0 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

# 결과 실행 시간 메모리 Grader output
1 Correct 738 ms 43304 KB Output is correct
2 Correct 854 ms 46648 KB Output is correct
3 Correct 645 ms 38480 KB Output is correct
4 Correct 707 ms 38832 KB Output is correct
5 Correct 811 ms 46180 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 8 ms 1000 KB Output is correct
10 Correct 168 ms 17492 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 1472 KB Output is correct
2 Correct 11 ms 1372 KB Output is correct
3 Correct 13 ms 1808 KB Output is correct
4 Correct 7 ms 1116 KB Output is correct
5 Correct 16 ms 2024 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 4 ms 552 KB Output is correct
8 Correct 4 ms 600 KB Output is correct
9 Correct 4 ms 604 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 9 ms 1116 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 860 KB Output is correct
2 Correct 10 ms 1368 KB Output is correct
3 Correct 7 ms 860 KB Output is correct
4 Correct 7 ms 1116 KB Output is correct
5 Correct 9 ms 1372 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 4 ms 860 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 5 ms 892 KB Output is correct

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 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 348 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 1 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 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 604 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 0 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 738 ms 43304 KB Output is correct
28 Correct 854 ms 46648 KB Output is correct
29 Correct 645 ms 38480 KB Output is correct
30 Correct 707 ms 38832 KB Output is correct
31 Correct 811 ms 46180 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 8 ms 1000 KB Output is correct
36 Correct 168 ms 17492 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 12 ms 1472 KB Output is correct
41 Correct 11 ms 1372 KB Output is correct
42 Correct 13 ms 1808 KB Output is correct
43 Correct 7 ms 1116 KB Output is correct
44 Correct 16 ms 2024 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 4 ms 552 KB Output is correct
47 Correct 4 ms 600 KB Output is correct
48 Correct 4 ms 604 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 9 ms 1116 KB Output is correct
53 Correct 5 ms 860 KB Output is correct
54 Correct 10 ms 1368 KB Output is correct
55 Correct 7 ms 860 KB Output is correct
56 Correct 7 ms 1116 KB Output is correct
57 Correct 9 ms 1372 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 1 ms 344 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 4 ms 860 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 5 ms 892 KB Output is correct
66 Execution timed out 5093 ms 240664 KB Time limit exceeded
67 Halted 0 ms 0 KB -