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Submission #879943

# Submission time Handle Problem Language Result Execution time Memory
879943 2023-11-28T11:42:36 Z TAhmed33 Akcija (COCI21_akcija) C++
90 / 110
 5000 ms 41140 KB 
#include <bits/stdc++.h>
#pragma GCC optimize ("Ofast")
using namespace std;
const int MAXN = 2e3 + 25;
typedef long long ll;
int n, k; pair <ll, ll> a[MAXN];
vector <ll> dp[2][MAXN];
vector <ll> merge (vector <ll> &a, vector <ll> &b, ll c) {
    vector <ll> ret;
    int p1 = 0, p2 = 0;
    while ((int)ret.size() < k && p1 < (int)a.size() && p2 < (int)b.size()) {
        if (a[p1] < b[p2] + c) {
            ret.push_back(a[p1++]);
        } else {
            ret.push_back(b[p2++] + c);
        }
    }
    while ((int)ret.size() < k && p1 < (int)a.size()) ret.push_back(a[p1++]);
    while ((int)ret.size() < k && p2 < (int)b.size()) ret.push_back(b[p2++] + c);
    return ret;
}
int main () {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> k;
    for (int i = 1; i <= n; i++) cin >> a[i].first >> a[i].second;
    sort(a + 1, a + n + 1, [] (pair <ll, ll> &x, pair <ll, ll> &y) { return x.second < y.second; });
    dp[0][0].push_back(0);
    for (int i = 0, c = 0; i <= n - 1; i++, c ^= 1) {
        for (int j = 0; j <= n; j++) dp[c ^ 1][j] = dp[c][j];
        for (int j = a[i + 1].second - 1; j >= 0; j--) {
            dp[c ^ 1][j + 1] = merge(dp[c ^ 1][j + 1], dp[c][j], a[i + 1].first);
        }
        /*
        int sum = 0; int bad = -1;
        for (int j = a[i + 1].second - 1; j >= 0; j--) {
            sum += dp[c ^ 1][j + 1].size();
            if (sum >= k) {
                bad = j - 1; break;
            }
        }
        for (int j = bad; j >= 0; j--) {
            dp[c ^ 1][j].clear();
        }*/
    }
    for (int i = n; i >= 0; i--) {
        for (auto j : dp[n & 1][i]) {
            cout << i << " " << j << '\n';
            k--;
            if (k == 0) break;
        }
        if (k == 0) break;
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 604 KB Output is correct
2 Correct 53 ms 604 KB Output is correct
3 Correct 44 ms 656 KB Output is correct
4 Correct 45 ms 672 KB Output is correct
5 Correct 53 ms 600 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 6 ms 348 KB Output is correct
8 Correct 5 ms 348 KB Output is correct
9 Correct 6 ms 348 KB Output is correct
10 Correct 18 ms 624 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

# Verdict Execution time Memory Grader output
1 Correct 49 ms 604 KB Output is correct
2 Correct 53 ms 604 KB Output is correct
3 Correct 44 ms 656 KB Output is correct
4 Correct 45 ms 672 KB Output is correct
5 Correct 53 ms 600 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 6 ms 348 KB Output is correct
8 Correct 5 ms 348 KB Output is correct
9 Correct 6 ms 348 KB Output is correct
10 Correct 18 ms 624 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 50 ms 664 KB Output is correct
15 Correct 53 ms 600 KB Output is correct
16 Correct 49 ms 1104 KB Output is correct
17 Correct 46 ms 604 KB Output is correct
18 Correct 52 ms 668 KB Output is correct
19 Correct 5 ms 604 KB Output is correct
20 Correct 6 ms 604 KB Output is correct
21 Correct 6 ms 604 KB Output is correct
22 Correct 6 ms 608 KB Output is correct
23 Correct 18 ms 604 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 352 KB Output is correct
26 Correct 0 ms 352 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 896 KB Output is correct
2 Correct 94 ms 608 KB Output is correct
3 Correct 75 ms 608 KB Output is correct
4 Correct 77 ms 604 KB Output is correct
5 Correct 89 ms 652 KB Output is correct
6 Correct 5 ms 564 KB Output is correct
7 Correct 6 ms 600 KB Output is correct
8 Correct 5 ms 604 KB Output is correct
9 Correct 7 ms 604 KB Output is correct
10 Correct 27 ms 600 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 600 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 860 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 2 ms 856 KB Output is correct
4 Correct 1 ms 1112 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 556 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 0 ms 552 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 856 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 3 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 0 ms 352 KB Output is correct
13 Correct 1 ms 608 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 604 KB Output is correct
2 Correct 53 ms 604 KB Output is correct
3 Correct 44 ms 656 KB Output is correct
4 Correct 45 ms 672 KB Output is correct
5 Correct 53 ms 600 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 6 ms 348 KB Output is correct
8 Correct 5 ms 348 KB Output is correct
9 Correct 6 ms 348 KB Output is correct
10 Correct 18 ms 624 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 50 ms 664 KB Output is correct
15 Correct 53 ms 600 KB Output is correct
16 Correct 49 ms 1104 KB Output is correct
17 Correct 46 ms 604 KB Output is correct
18 Correct 52 ms 668 KB Output is correct
19 Correct 5 ms 604 KB Output is correct
20 Correct 6 ms 604 KB Output is correct
21 Correct 6 ms 604 KB Output is correct
22 Correct 6 ms 608 KB Output is correct
23 Correct 18 ms 604 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 352 KB Output is correct
26 Correct 0 ms 352 KB Output is correct
27 Correct 100 ms 896 KB Output is correct
28 Correct 94 ms 608 KB Output is correct
29 Correct 75 ms 608 KB Output is correct
30 Correct 77 ms 604 KB Output is correct
31 Correct 89 ms 652 KB Output is correct
32 Correct 5 ms 564 KB Output is correct
33 Correct 6 ms 600 KB Output is correct
34 Correct 5 ms 604 KB Output is correct
35 Correct 7 ms 604 KB Output is correct
36 Correct 27 ms 600 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 600 KB Output is correct
40 Correct 1 ms 860 KB Output is correct
41 Correct 1 ms 860 KB Output is correct
42 Correct 2 ms 856 KB Output is correct
43 Correct 1 ms 1112 KB Output is correct
44 Correct 1 ms 860 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 1 ms 556 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 0 ms 552 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 856 KB Output is correct
53 Correct 2 ms 604 KB Output is correct
54 Correct 2 ms 604 KB Output is correct
55 Correct 2 ms 604 KB Output is correct
56 Correct 2 ms 604 KB Output is correct
57 Correct 3 ms 604 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 600 KB Output is correct
63 Correct 0 ms 352 KB Output is correct
64 Correct 0 ms 352 KB Output is correct
65 Correct 1 ms 608 KB Output is correct
66 Execution timed out 5064 ms 41140 KB Time limit exceeded
67 Halted 0 ms 0 KB -