oj.uz

Submission #595024

# Submission time Handle Problem Language Result Execution time Memory
595024 2022-07-13T09:11:06 Z piOOE Semiexpress (JOI17_semiexpress) C++17
100 / 100
 147 ms 66148 KB 
#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll n, m, k;
    cin >> n >> m >> k;
    ll a, b, c;
    cin >> a >> b >> c; //slow, fast, middle
    ll t;
    cin >> t;
    vector<ll> s(m);
    for (int i = 0; i < m; ++i) {
        cin >> s[i];
    }
    vector<pair<ll, bool>> v;
    ll ans = 0;
    s.push_back(n + 1);
    for (int i = 0; i <= m; ++i) {
        ll dist = (s[i] - 1) * b;
        if (dist > t) {
            break;
        }
        ll x = s[i];
        int cnt = 0;
        while (x < s[i + 1] && dist <= t && cnt < k) {
            ll nxt = (t - dist) / a;
            if (x + nxt + 1 >= s[i + 1]) {
                nxt = s[i + 1] - x - 1;
            }
            cnt += (x != s[i]);
            v.push_back({nxt + 1, x != s[i]});
            dist += (nxt + 1) * c;
            x += nxt + 1;
        }
    }
    sort(v.begin(), v.end(), greater());
    int cnt = m;
    for (int i = 0; i < v.size(); ++i) {
        if (cnt + v[i].second <= k) {
            ans += v[i].first;
            cnt += v[i].second;
        }
    }
    cout << ans - 1;
    return 0;
}

Compilation message

semiexpress.cpp: In function 'int main()':
semiexpress.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for (int i = 0; i < v.size(); ++i) {
      |                     ~~^~~~~~~~~~

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 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 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #3
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 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 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 7 ms 4560 KB Output is correct
22 Correct 5 ms 2516 KB Output is correct
23 Correct 31 ms 16904 KB Output is correct
24 Correct 30 ms 8652 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 91 ms 33336 KB Output is correct
28 Correct 147 ms 66148 KB Output is correct
29 Correct 23 ms 8596 KB Output is correct
30 Correct 8 ms 4552 KB Output is correct