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Submission #749201

# Submission time Handle Problem Language Result Execution time Memory
749201 2023-05-27T14:18:54 Z Desh03 Collecting Stamps 3 (JOI20_ho_t3) C++17
15 / 100
 2000 ms 404 KB 
#include <bits/stdc++.h>
using namespace std;

map<int, int> mp;
set<int> x;
multiset<int> y;
int l;

int recurse(int cur, int t) {
    if (x.empty() || *--y.end() < t) return 0;
    auto it = x.upper_bound(cur);
    bool k = 0;
    if (it == x.begin()) k = 1, it = --x.end();
    else --it;
    int p = *it;
    x.erase(p);
    y.erase(y.find(mp[p]));
    int cost = (k ? cur + l - p : cur - p);
    int g = (t + cost <= mp[p]) + recurse(p, t + cost);
    x.insert(p);
    y.insert(mp[p]);
    it = x.upper_bound(cur);
    k = 0;
    if (it == x.end()) k = 1, it = x.begin();
    p = *it;
    cost = (k ? l - cur + p : p - cur);
    x.erase(p);
    y.erase(y.find(mp[p]));
    g = max(g, (t + cost <= mp[p]) + recurse(p, t + cost));
    x.insert(p);
    y.insert(mp[p]);
    return g;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n >> l;
    for (int i = 0; i < n; i++) {
        int k;
        cin >> k;
        x.insert(k);
    }
    for (auto k : x) cin >> mp[k], y.insert(mp[k]);
    cout << recurse(0, 0) << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 320 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 320 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 1 ms 316 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 404 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 6 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 3 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 320 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 9 ms 212 KB Output is correct
34 Correct 13 ms 324 KB Output is correct
35 Correct 10 ms 320 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 320 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Execution timed out 2061 ms 316 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 320 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 1 ms 316 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 404 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 6 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 3 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 320 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 9 ms 212 KB Output is correct
34 Correct 13 ms 324 KB Output is correct
35 Correct 10 ms 320 KB Output is correct
36 Execution timed out 2061 ms 316 KB Time limit exceeded
37 Halted 0 ms 0 KB -