oj.uz

Submission #422103

# Submission time Handle Problem Language Result Execution time Memory
422103 2021-06-09T17:41:11 Z tengiz05 Semiexpress (JOI17_semiexpress) C++17
100 / 100
 14 ms 4548 KB 
#include <bits/stdc++.h>
using i64 = long long;
int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    i64 n, m, k, A, B, C, T;
    std::cin >> n >> m >> k;
    std::cin >> A >> B >> C >> T;
    std::vector<i64> a(m);
    for (int i = 0; i < m; i++) {
        std::cin >> a[i];
        a[i]--;
    }
    i64 ans = -1;
    std::vector<i64> seg;
    for (int i = 0; i < m - 1; i++) {
        i64 l = a[i];
        for (int j = 0; j <= k - m; j++) {
            if (l == a[i + 1] || B * a[i] + C * (l - a[i]) > T) {
                break;
            }
            i64 left = T - B * a[i] - C * (l - a[i]);
            i64 r = std::min(a[i + 1], l + left / A + 1);
            if (l == a[i]) {
                ans += r - l;
            } else {
                seg.push_back(r - l);
            }
            l = r;
        }
    }
    ans += B * a[m - 1] <= T;
    sort(seg.rbegin(), seg.rend());
    for (int i = 0; i < k - m && i < seg.size(); i++) {
        ans += seg[i];
    }
    std::cout << ans << "\n";
    return 0;
}

Compilation message

semiexpress.cpp: In function 'int main()':
semiexpress.cpp:34:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for (int i = 0; i < k - m && i < seg.size(); i++) {
      |                                  ~~^~~~~~~~~~~~

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 232 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct

Subtask #3
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 232 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 2 ms 588 KB Output is correct
23 Correct 14 ms 4548 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 12 ms 4548 KB Output is correct
30 Correct 6 ms 2504 KB Output is correct