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답안 #995266

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
995266 2024-06-08T17:50:59 Z gmroh06 철도 요금 (JOI16_ho_t3) C++14
100 / 100
 91 ms 22868 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

inline void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
}

const ll INF = 1e18;

ll n, m, q;

int main() {
    fastio();

    cin >> n >> m >> q;

    vector<vector<pll>> gr(n);
    vector<ll> idx(m, q), ans(n, -1), dist(n, INF);
    vector<ll> fin(q + 1, 0);

    for (ll i = 0, a, b; i < m; i++) {
        cin >> a >> b;

        gr[a - 1].emplace_back(b - 1, i);
        gr[b - 1].emplace_back(a - 1, i);
    }

    for (ll i = 0, k; i < q; i++) {
        cin >> k;

        idx[k - 1] = i;
    }

    ans[0] = q;
    dist[0] = 0;

    queue<ll> qu;
    qu.emplace(0);

    while (!qu.empty()) {
        ll loc = qu.front();
        qu.pop();
        
        for (auto& [x, i] : gr[loc]) {
            if (dist[x] > dist[loc] + 1) {
                dist[x] = dist[loc] + 1;
                qu.emplace(x);
            }

            if (dist[x] == dist[loc] + 1) {
                ans[x] = max(ans[x], min(ans[loc], idx[i]));
            }
        }
    }

    for (auto& x : ans) {
        fin[x]++;
    }

    for (ll i = 0, tmp = fin[0]; i < q; tmp += fin[++i]) {
        cout << tmp << '\n';
    }

    return 0;
}

Compilation message

2016_ho_t3.cpp: In function 'int main()':
2016_ho_t3.cpp:49:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   49 |         for (auto& [x, i] : gr[loc]) {
      |                    ^

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 62 ms 18772 KB Output is correct
10 Correct 78 ms 18776 KB Output is correct
11 Correct 62 ms 18260 KB Output is correct
12 Correct 59 ms 18260 KB Output is correct
13 Correct 56 ms 18376 KB Output is correct
14 Correct 57 ms 18108 KB Output is correct
15 Correct 33 ms 12604 KB Output is correct
16 Correct 30 ms 11604 KB Output is correct

Subtask #3
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 18772 KB Output is correct
2 Correct 61 ms 18916 KB Output is correct
3 Correct 45 ms 15296 KB Output is correct
4 Correct 53 ms 18004 KB Output is correct
5 Correct 59 ms 18260 KB Output is correct
6 Correct 71 ms 18260 KB Output is correct
7 Correct 33 ms 11604 KB Output is correct
8 Correct 30 ms 11356 KB Output is correct
9 Correct 22 ms 9540 KB Output is correct
10 Correct 19 ms 9676 KB Output is correct
11 Correct 61 ms 18600 KB Output is correct
12 Correct 52 ms 17748 KB Output is correct
13 Correct 56 ms 17488 KB Output is correct
14 Correct 60 ms 18696 KB Output is correct
15 Correct 66 ms 18004 KB Output is correct
16 Correct 65 ms 17320 KB Output is correct
17 Correct 76 ms 18076 KB Output is correct
18 Correct 49 ms 13652 KB Output is correct
19 Correct 82 ms 22360 KB Output is correct
20 Correct 61 ms 18260 KB Output is correct
21 Correct 39 ms 12372 KB Output is correct
22 Correct 46 ms 12116 KB Output is correct

Subtask #4
39.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 62 ms 18772 KB Output is correct
10 Correct 78 ms 18776 KB Output is correct
11 Correct 62 ms 18260 KB Output is correct
12 Correct 59 ms 18260 KB Output is correct
13 Correct 56 ms 18376 KB Output is correct
14 Correct 57 ms 18108 KB Output is correct
15 Correct 33 ms 12604 KB Output is correct
16 Correct 30 ms 11604 KB Output is correct
17 Correct 56 ms 18772 KB Output is correct
18 Correct 61 ms 18916 KB Output is correct
19 Correct 45 ms 15296 KB Output is correct
20 Correct 53 ms 18004 KB Output is correct
21 Correct 59 ms 18260 KB Output is correct
22 Correct 71 ms 18260 KB Output is correct
23 Correct 33 ms 11604 KB Output is correct
24 Correct 30 ms 11356 KB Output is correct
25 Correct 22 ms 9540 KB Output is correct
26 Correct 19 ms 9676 KB Output is correct
27 Correct 61 ms 18600 KB Output is correct
28 Correct 52 ms 17748 KB Output is correct
29 Correct 56 ms 17488 KB Output is correct
30 Correct 60 ms 18696 KB Output is correct
31 Correct 66 ms 18004 KB Output is correct
32 Correct 65 ms 17320 KB Output is correct
33 Correct 76 ms 18076 KB Output is correct
34 Correct 49 ms 13652 KB Output is correct
35 Correct 82 ms 22360 KB Output is correct
36 Correct 61 ms 18260 KB Output is correct
37 Correct 39 ms 12372 KB Output is correct
38 Correct 46 ms 12116 KB Output is correct
39 Correct 80 ms 22868 KB Output is correct
40 Correct 83 ms 22864 KB Output is correct
41 Correct 53 ms 17348 KB Output is correct
42 Correct 75 ms 22204 KB Output is correct
43 Correct 84 ms 22228 KB Output is correct
44 Correct 76 ms 22100 KB Output is correct
45 Correct 91 ms 22108 KB Output is correct
46 Correct 48 ms 14136 KB Output is correct
47 Correct 42 ms 13652 KB Output is correct
48 Correct 48 ms 13300 KB Output is correct
49 Correct 27 ms 11324 KB Output is correct
50 Correct 28 ms 11460 KB Output is correct
51 Correct 31 ms 12100 KB Output is correct
52 Correct 30 ms 12228 KB Output is correct
53 Correct 29 ms 11076 KB Output is correct
54 Correct 27 ms 11464 KB Output is correct