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답안 #292027

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
292027 2020-09-06T08:20:46 Z Diuven 급행열차 20/19 (ROI19_express) C++11
67 / 100
 7000 ms 869276 KB 
// Dmitry _kun_ Sayutin (2019)

#include <bits/stdc++.h>

using std::cin;
using std::cout;
using std::cerr;

using std::vector;
using std::map;
using std::array;
using std::set;
using std::string;

using std::pair;
using std::make_pair;

using std::tuple;
using std::make_tuple;
using std::get;

using std::min;
using std::abs;
using std::max;
using std::swap;

using std::unique;
using std::sort;
using std::generate;
using std::reverse;
using std::min_element;
using std::max_element;

#ifdef LOCAL
#define LASSERT(X) assert(X)
#else
#define LASSERT(X) {}
#endif

template <typename T>
T input() {
    T res;
    cin >> res;
    LASSERT(cin);
    return res;
}

template <typename IT>
void input_seq(IT b, IT e) {
    std::generate(b, e, input<typename std::remove_reference<decltype(*b)>::type>);
}

#define SZ(vec)         int((vec).size())
#define ALL(data)       data.begin(),data.end()
#define RALL(data)      data.rbegin(),data.rend()
#define TYPEMAX(type)   std::numeric_limits<type>::max()
#define TYPEMIN(type)   std::numeric_limits<type>::min()

struct edge_t {
    int to;
    int64_t w;
};

void solve() {
    int n, m, q, p;
    cin >> n >> m >> q >> p;

    vector<vector<edge_t>> graph(n);
    for (int i = 0; i != m; ++i) {
        int v = input<int>() - 1;
        int u = input<int>() - 1;
        int64_t w = input<int64_t>();

        graph[u].push_back(edge_t {v, w});
    }

    vector<vector<int64_t>> segms(n);
    segms[0] = {0};

    for (int v = 1; v != n; ++v) {
        vector<int64_t> lst;
        
        for (auto u: graph[v])
            for (int64_t val: segms[u.to])
                lst.push_back(val + u.w);

        sort(ALL(lst));
        lst.resize(std::unique(ALL(lst)) - lst.begin());
        reverse(ALL(lst));

        for (int64_t elem: lst) {
            while (segms[v].size() >= 2 and p * elem > (p - 1) * segms[v][SZ(segms[v]) - 2])
                segms[v].pop_back();

            segms[v].push_back(elem);
        }

        assert(segms[v].size() <= 1500);
    }

    for (; q != 0; --q) {
        int v = input<int>() - 1;
        int64_t w = input<int64_t>();

        bool ok = false;
        for (int64_t len: segms[v])
            if (w <= len and len * (p - 1) <= w * p) {
                ok = true;
                break;
            }

        cout << (ok ? '1' : '0');
    }

    cout << "\n";
}

int main() {
    std::iostream::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    // code here
    for (int t = input<int>(); t != 0; --t)
        solve();
    
    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 9 ms 384 KB Output is correct
13 Correct 8 ms 384 KB Output is correct
14 Correct 9 ms 384 KB Output is correct
15 Correct 8 ms 384 KB Output is correct
16 Correct 7 ms 384 KB Output is correct
17 Correct 7 ms 384 KB Output is correct
18 Correct 8 ms 384 KB Output is correct
19 Correct 8 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 8 ms 384 KB Output is correct
22 Correct 7 ms 384 KB Output is correct
23 Correct 6 ms 384 KB Output is correct
24 Correct 6 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 6 ms 308 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 6 ms 384 KB Output is correct
30 Correct 6 ms 384 KB Output is correct

Subtask #2
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 12 ms 896 KB Output is correct
12 Correct 4 ms 768 KB Output is correct
13 Correct 7 ms 768 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 4 ms 768 KB Output is correct
23 Correct 5 ms 768 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 6 ms 384 KB Output is correct
26 Correct 4 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 3 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 39 ms 4980 KB Output is correct

Subtask #3
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 478 ms 34604 KB Output is correct
3 Correct 366 ms 7600 KB Output is correct
4 Correct 351 ms 3988 KB Output is correct
5 Correct 300 ms 1112 KB Output is correct
6 Correct 370 ms 11388 KB Output is correct
7 Correct 382 ms 6352 KB Output is correct
8 Correct 390 ms 11740 KB Output is correct
9 Correct 341 ms 6144 KB Output is correct
10 Correct 328 ms 11356 KB Output is correct
11 Correct 313 ms 5976 KB Output is correct
12 Correct 95 ms 512 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 8 ms 384 KB Output is correct
15 Correct 13 ms 384 KB Output is correct
16 Correct 10 ms 384 KB Output is correct
17 Correct 24 ms 384 KB Output is correct
18 Correct 126 ms 1128 KB Output is correct
19 Correct 19 ms 384 KB Output is correct
20 Correct 39 ms 384 KB Output is correct
21 Correct 41 ms 384 KB Output is correct
22 Correct 55 ms 504 KB Output is correct
23 Correct 339 ms 50180 KB Output is correct
24 Correct 851 ms 144264 KB Output is correct

Subtask #4
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 635 ms 37392 KB Output is correct
2 Correct 786 ms 12888 KB Output is correct
3 Correct 788 ms 6984 KB Output is correct
4 Correct 696 ms 2124 KB Output is correct
5 Correct 542 ms 920 KB Output is correct
6 Correct 584 ms 1480 KB Output is correct
7 Correct 613 ms 20128 KB Output is correct
8 Correct 556 ms 10244 KB Output is correct
9 Correct 475 ms 16048 KB Output is correct
10 Correct 434 ms 8216 KB Output is correct
11 Correct 584 ms 20216 KB Output is correct
12 Correct 565 ms 10236 KB Output is correct
13 Correct 185 ms 636 KB Output is correct
14 Correct 17 ms 384 KB Output is correct
15 Correct 12 ms 824 KB Output is correct
16 Execution timed out 7095 ms 847596 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 7 ms 1408 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 5 ms 564 KB Output is correct
18 Correct 6 ms 896 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 5 ms 896 KB Output is correct
21 Correct 9 ms 1152 KB Output is correct
22 Correct 3 ms 768 KB Output is correct
23 Correct 6 ms 896 KB Output is correct
24 Correct 5 ms 768 KB Output is correct
25 Correct 8 ms 1376 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 3 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct
37 Correct 4 ms 384 KB Output is correct
38 Correct 4 ms 384 KB Output is correct
39 Correct 4 ms 384 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 4 ms 384 KB Output is correct
42 Correct 4 ms 384 KB Output is correct
43 Correct 18 ms 2428 KB Output is correct
44 Correct 23 ms 2936 KB Output is correct

Subtask #6
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 665 ms 9840 KB Output is correct
2 Correct 1526 ms 41344 KB Output is correct
3 Correct 847 ms 47892 KB Output is correct
4 Correct 551 ms 1396 KB Output is correct
5 Correct 425 ms 1572 KB Output is correct
6 Correct 419 ms 948 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 45 ms 384 KB Output is correct
10 Correct 13 ms 384 KB Output is correct
11 Correct 364 ms 1304 KB Output is correct
12 Correct 1506 ms 1696 KB Output is correct
13 Correct 654 ms 1264 KB Output is correct
14 Correct 425 ms 1388 KB Output is correct
15 Correct 1373 ms 1424 KB Output is correct
16 Correct 409 ms 2524 KB Output is correct
17 Correct 1307 ms 21428 KB Output is correct
18 Correct 6559 ms 15912 KB Output is correct
19 Correct 2070 ms 11320 KB Output is correct
20 Correct 221 ms 976 KB Output is correct
21 Correct 2719 ms 223360 KB Output is correct
22 Correct 585 ms 38872 KB Output is correct
23 Correct 686 ms 49524 KB Output is correct
24 Correct 607 ms 55640 KB Output is correct
25 Correct 1764 ms 239580 KB Output is correct
26 Correct 815 ms 78632 KB Output is correct
27 Correct 3135 ms 526060 KB Output is correct
28 Correct 332 ms 504 KB Output is correct
29 Correct 645 ms 55708 KB Output is correct
30 Correct 504 ms 35660 KB Output is correct
31 Correct 127 ms 796 KB Output is correct
32 Correct 160 ms 976 KB Output is correct
33 Correct 134 ms 792 KB Output is correct
34 Correct 258 ms 1400 KB Output is correct
35 Correct 528 ms 18756 KB Output is correct
36 Correct 532 ms 18888 KB Output is correct
37 Correct 582 ms 18744 KB Output is correct
38 Correct 536 ms 18712 KB Output is correct
39 Execution timed out 7093 ms 869276 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #7
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 680 ms 9776 KB Output is correct
2 Correct 1529 ms 41340 KB Output is correct
3 Correct 816 ms 47908 KB Output is correct
4 Correct 519 ms 1756 KB Output is correct
5 Correct 461 ms 1020 KB Output is correct
6 Correct 462 ms 888 KB Output is correct
7 Correct 427 ms 1376 KB Output is correct
8 Correct 387 ms 1004 KB Output is correct
9 Correct 630 ms 11824 KB Output is correct
10 Correct 760 ms 9456 KB Output is correct
11 Correct 658 ms 11824 KB Output is correct
12 Correct 642 ms 9176 KB Output is correct
13 Correct 687 ms 11756 KB Output is correct
14 Correct 618 ms 9516 KB Output is correct
15 Correct 247 ms 632 KB Output is correct
16 Correct 219 ms 600 KB Output is correct
17 Correct 179 ms 504 KB Output is correct
18 Correct 66 ms 488 KB Output is correct
19 Correct 507 ms 888 KB Output is correct
20 Correct 505 ms 888 KB Output is correct
21 Correct 440 ms 764 KB Output is correct
22 Correct 672 ms 156560 KB Output is correct
23 Correct 962 ms 265776 KB Output is correct
24 Correct 659 ms 5460 KB Output is correct
25 Execution timed out 7107 ms 852824 KB Time limit exceeded
26 Halted 0 ms 0 KB -