답안 #1112292

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1112292	2024-11-14T02:54:43 Z	Zero_OP	Construction Project 2 (JOI24_ho_t2)	C++14	100 / 100	189 ms	24748 KB

Main

#include <bits/stdc++.h>

using namespace std;

const long long inf = 1e18;

void testcase(){
    int N, M, S, T, L; long long K;
    cin >> N >> M >> S >> T >> L >> K;

    --S, --T;
    vector<vector<pair<int, int>>> adj(N);
    while(M--){
        int u, v, w;
        cin >> u >> v >> w;
        --u, --v;
        adj[u].emplace_back(v, w);
        adj[v].emplace_back(u, w);
    }

    auto dijkstra = [&](int s){
        vector<long long> d(N, inf);
        d[s] = 0;

        using node = pair<long long, int>;
        priority_queue<node, vector<node>, greater<node>> pq;
        pq.push({d[s], s});

        while(!pq.empty()){
            long long cur; int u;
            tie(cur, u) = pq.top(); pq.pop();
            if(cur != d[u]) continue;
            for(auto [v, w] : adj[u]){
                if(d[v] > d[u] + w){
                    d[v] = d[u] + w;
                    pq.push({d[v], v});
                }
            }
        }
        return d;
    };

    vector<long long> dS = dijkstra(S), dT = dijkstra(T);

    if(dS[T] <= K){
        cout << 1LL * N * (N - 1) / 2;
        return;
    }

    vector<long long> vS, vT;
    for(int i = 0; i < N; ++i){
        vS.emplace_back(dS[i]);
        vT.emplace_back(dT[i]);
    }

    sort(vS.begin(), vS.end());
    sort(vT.rbegin(), vT.rend());

    long long cnt = 0;
    int v = 0;
    for(auto val : vT){
        while(v < (int)vS.size() && vS[v] <= K - L - val) ++v;
        cnt += v;
    }

    cout << cnt << '\n';
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int T = 1;
//    cin >> T;
    while(T--) testcase();

    return 0;
}

Compilation message

Main.cpp: In lambda function:
Main.cpp:33:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   33 |             for(auto [v, w] : adj[u]){
      |                      ^

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	2 ms	760 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	67 ms	19332 KB	Output is correct
8	Correct	79 ms	19532 KB	Output is correct
9	Correct	66 ms	18272 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	2 ms	592 KB	Output is correct
13	Correct	2 ms	592 KB	Output is correct
14	Correct	44 ms	17840 KB	Output is correct
15	Correct	142 ms	20460 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	82 ms	19740 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	336 KB	Output is correct
21	Correct	1 ms	592 KB	Output is correct
22	Correct	2 ms	592 KB	Output is correct
23	Correct	42 ms	17840 KB	Output is correct
24	Correct	144 ms	20476 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	592 KB	Output is correct
27	Correct	74 ms	24748 KB	Output is correct
28	Correct	75 ms	12636 KB	Output is correct
29	Correct	59 ms	15968 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	504 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	508 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	336 KB	Output is correct
27	Correct	1 ms	336 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	504 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	508 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	336 KB	Output is correct
27	Correct	1 ms	336 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	2 ms	592 KB	Output is correct
34	Correct	2 ms	592 KB	Output is correct
35	Correct	1 ms	592 KB	Output is correct
36	Correct	2 ms	592 KB	Output is correct
37	Correct	2 ms	592 KB	Output is correct
38	Correct	1 ms	592 KB	Output is correct
39	Correct	2 ms	592 KB	Output is correct
40	Correct	2 ms	592 KB	Output is correct
41	Correct	1 ms	336 KB	Output is correct
42	Correct	2 ms	592 KB	Output is correct
43	Correct	3 ms	760 KB	Output is correct
44	Correct	2 ms	592 KB	Output is correct
45	Correct	3 ms	764 KB	Output is correct
46	Correct	3 ms	592 KB	Output is correct
47	Correct	2 ms	592 KB	Output is correct
48	Correct	2 ms	592 KB	Output is correct
49	Correct	2 ms	336 KB	Output is correct
50	Correct	1 ms	592 KB	Output is correct
51	Correct	3 ms	592 KB	Output is correct
52	Correct	2 ms	592 KB	Output is correct
53	Correct	3 ms	592 KB	Output is correct
54	Correct	2 ms	592 KB	Output is correct
55	Correct	2 ms	592 KB	Output is correct
56	Correct	2 ms	592 KB	Output is correct
57	Correct	2 ms	592 KB	Output is correct
58	Correct	2 ms	592 KB	Output is correct

Subtask #4
47.0 / 47.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	2 ms	760 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	67 ms	19332 KB	Output is correct
8	Correct	79 ms	19532 KB	Output is correct
9	Correct	66 ms	18272 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	2 ms	592 KB	Output is correct
13	Correct	2 ms	592 KB	Output is correct
14	Correct	44 ms	17840 KB	Output is correct
15	Correct	142 ms	20460 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	82 ms	19740 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	336 KB	Output is correct
21	Correct	1 ms	592 KB	Output is correct
22	Correct	2 ms	592 KB	Output is correct
23	Correct	42 ms	17840 KB	Output is correct
24	Correct	144 ms	20476 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	592 KB	Output is correct
27	Correct	74 ms	24748 KB	Output is correct
28	Correct	75 ms	12636 KB	Output is correct
29	Correct	59 ms	15968 KB	Output is correct
30	Correct	1 ms	504 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	1 ms	336 KB	Output is correct
34	Correct	1 ms	336 KB	Output is correct
35	Correct	1 ms	336 KB	Output is correct
36	Correct	1 ms	336 KB	Output is correct
37	Correct	1 ms	336 KB	Output is correct
38	Correct	1 ms	508 KB	Output is correct
39	Correct	1 ms	336 KB	Output is correct
40	Correct	1 ms	336 KB	Output is correct
41	Correct	1 ms	336 KB	Output is correct
42	Correct	1 ms	336 KB	Output is correct
43	Correct	1 ms	336 KB	Output is correct
44	Correct	1 ms	336 KB	Output is correct
45	Correct	1 ms	336 KB	Output is correct
46	Correct	1 ms	336 KB	Output is correct
47	Correct	1 ms	336 KB	Output is correct
48	Correct	1 ms	336 KB	Output is correct
49	Correct	1 ms	336 KB	Output is correct
50	Correct	1 ms	336 KB	Output is correct
51	Correct	1 ms	336 KB	Output is correct
52	Correct	1 ms	336 KB	Output is correct
53	Correct	1 ms	336 KB	Output is correct
54	Correct	1 ms	336 KB	Output is correct
55	Correct	1 ms	336 KB	Output is correct
56	Correct	1 ms	336 KB	Output is correct
57	Correct	1 ms	384 KB	Output is correct
58	Correct	1 ms	336 KB	Output is correct
59	Correct	1 ms	336 KB	Output is correct
60	Correct	1 ms	336 KB	Output is correct
61	Correct	1 ms	336 KB	Output is correct
62	Correct	2 ms	592 KB	Output is correct
63	Correct	2 ms	592 KB	Output is correct
64	Correct	1 ms	592 KB	Output is correct
65	Correct	2 ms	592 KB	Output is correct
66	Correct	2 ms	592 KB	Output is correct
67	Correct	1 ms	592 KB	Output is correct
68	Correct	2 ms	592 KB	Output is correct
69	Correct	2 ms	592 KB	Output is correct
70	Correct	1 ms	336 KB	Output is correct
71	Correct	2 ms	592 KB	Output is correct
72	Correct	3 ms	760 KB	Output is correct
73	Correct	2 ms	592 KB	Output is correct
74	Correct	3 ms	764 KB	Output is correct
75	Correct	3 ms	592 KB	Output is correct
76	Correct	2 ms	592 KB	Output is correct
77	Correct	2 ms	592 KB	Output is correct
78	Correct	2 ms	336 KB	Output is correct
79	Correct	1 ms	592 KB	Output is correct
80	Correct	3 ms	592 KB	Output is correct
81	Correct	2 ms	592 KB	Output is correct
82	Correct	3 ms	592 KB	Output is correct
83	Correct	2 ms	592 KB	Output is correct
84	Correct	2 ms	592 KB	Output is correct
85	Correct	2 ms	592 KB	Output is correct
86	Correct	2 ms	592 KB	Output is correct
87	Correct	2 ms	592 KB	Output is correct
88	Correct	88 ms	15688 KB	Output is correct
89	Correct	87 ms	15664 KB	Output is correct
90	Correct	90 ms	21276 KB	Output is correct
91	Correct	35 ms	5968 KB	Output is correct
92	Correct	48 ms	6028 KB	Output is correct
93	Correct	42 ms	17864 KB	Output is correct
94	Correct	40 ms	17848 KB	Output is correct
95	Correct	142 ms	20780 KB	Output is correct
96	Correct	115 ms	16840 KB	Output is correct
97	Correct	122 ms	19808 KB	Output is correct
98	Correct	119 ms	19656 KB	Output is correct
99	Correct	66 ms	19808 KB	Output is correct
100	Correct	68 ms	19808 KB	Output is correct
101	Correct	36 ms	6028 KB	Output is correct
102	Correct	35 ms	5968 KB	Output is correct
103	Correct	40 ms	17840 KB	Output is correct
104	Correct	39 ms	17836 KB	Output is correct
105	Correct	148 ms	20772 KB	Output is correct
106	Correct	189 ms	20780 KB	Output is correct
107	Correct	185 ms	24364 KB	Output is correct
108	Correct	177 ms	24620 KB	Output is correct
109	Correct	72 ms	12460 KB	Output is correct
110	Correct	89 ms	16052 KB	Output is correct
111	Correct	100 ms	19008 KB	Output is correct
112	Correct	104 ms	19072 KB	Output is correct

답안 #1112292

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 16.0 / 16.0

Subtask #3 29.0 / 29.0

Subtask #4 47.0 / 47.0

Subtask #1
8.0 / 8.0

Subtask #2
16.0 / 16.0

Subtask #3
29.0 / 29.0

Subtask #4
47.0 / 47.0