답안 #1112290

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1112290	2024-11-14T02:53:51 Z	Zero_OP	Construction Project 2 (JOI24_ho_t2)	C++14	53 / 100	2000 ms	23860 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();
            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:32:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   32 |             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	732 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	65 ms	19464 KB	Output is correct
8	Correct	80 ms	19412 KB	Output is correct
9	Correct	70 ms	18492 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	52 ms	17824 KB	Output is correct
15	Correct	166 ms	20528 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	2 ms	592 KB	Output is correct
18	Correct	88 ms	19808 KB	Output is correct
19	Correct	1 ms	508 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	816 KB	Output is correct
23	Correct	42 ms	17848 KB	Output is correct
24	Correct	139 ms	20400 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	728 KB	Output is correct
27	Correct	76 ms	23860 KB	Output is correct
28	Correct	63 ms	13996 KB	Output is correct
29	Correct	60 ms	16020 KB	Output is correct

Subtask #2
16.0 / 16.0

#	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	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	336 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	504 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	336 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	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	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	336 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	504 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	336 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	760 KB	Output is correct
34	Correct	1 ms	592 KB	Output is correct
35	Correct	1 ms	592 KB	Output is correct
36	Correct	2 ms	728 KB	Output is correct
37	Correct	2 ms	760 KB	Output is correct
38	Correct	1 ms	760 KB	Output is correct
39	Correct	3 ms	592 KB	Output is correct
40	Correct	2 ms	592 KB	Output is correct
41	Correct	2 ms	336 KB	Output is correct
42	Correct	1 ms	592 KB	Output is correct
43	Correct	4 ms	780 KB	Output is correct
44	Correct	2 ms	760 KB	Output is correct
45	Correct	2 ms	592 KB	Output is correct
46	Correct	2 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	1 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	724 KB	Output is correct
54	Correct	2 ms	592 KB	Output is correct
55	Correct	4 ms	592 KB	Output is correct
56	Correct	3 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
0.0 / 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	732 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	65 ms	19464 KB	Output is correct
8	Correct	80 ms	19412 KB	Output is correct
9	Correct	70 ms	18492 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	52 ms	17824 KB	Output is correct
15	Correct	166 ms	20528 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	2 ms	592 KB	Output is correct
18	Correct	88 ms	19808 KB	Output is correct
19	Correct	1 ms	508 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	816 KB	Output is correct
23	Correct	42 ms	17848 KB	Output is correct
24	Correct	139 ms	20400 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	728 KB	Output is correct
27	Correct	76 ms	23860 KB	Output is correct
28	Correct	63 ms	13996 KB	Output is correct
29	Correct	60 ms	16020 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	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	336 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	504 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	336 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	760 KB	Output is correct
63	Correct	1 ms	592 KB	Output is correct
64	Correct	1 ms	592 KB	Output is correct
65	Correct	2 ms	728 KB	Output is correct
66	Correct	2 ms	760 KB	Output is correct
67	Correct	1 ms	760 KB	Output is correct
68	Correct	3 ms	592 KB	Output is correct
69	Correct	2 ms	592 KB	Output is correct
70	Correct	2 ms	336 KB	Output is correct
71	Correct	1 ms	592 KB	Output is correct
72	Correct	4 ms	780 KB	Output is correct
73	Correct	2 ms	760 KB	Output is correct
74	Correct	2 ms	592 KB	Output is correct
75	Correct	2 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	1 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	724 KB	Output is correct
83	Correct	2 ms	592 KB	Output is correct
84	Correct	4 ms	592 KB	Output is correct
85	Correct	3 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	84 ms	15588 KB	Output is correct
89	Correct	106 ms	18220 KB	Output is correct
90	Correct	115 ms	23840 KB	Output is correct
91	Correct	40 ms	5968 KB	Output is correct
92	Correct	39 ms	5968 KB	Output is correct
93	Correct	60 ms	17840 KB	Output is correct
94	Correct	47 ms	17848 KB	Output is correct
95	Correct	170 ms	20772 KB	Output is correct
96	Correct	131 ms	16828 KB	Output is correct
97	Correct	135 ms	19808 KB	Output is correct
98	Correct	142 ms	19696 KB	Output is correct
99	Correct	68 ms	19820 KB	Output is correct
100	Correct	78 ms	22280 KB	Output is correct
101	Correct	43 ms	8064 KB	Output is correct
102	Correct	43 ms	8260 KB	Output is correct
103	Correct	43 ms	17744 KB	Output is correct
104	Correct	42 ms	17852 KB	Output is correct
105	Correct	158 ms	23340 KB	Output is correct
106	Correct	211 ms	20772 KB	Output is correct
107	Correct	159 ms	23792 KB	Output is correct
108	Correct	185 ms	23608 KB	Output is correct
109	Execution timed out	2056 ms	13488 KB	Time limit exceeded
110	Halted	0 ms	0 KB	-

답안 #1112290

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 16.0 / 16.0

Subtask #3 29.0 / 29.0

Subtask #4 0.0 / 47.0

Subtask #1
8.0 / 8.0

Subtask #2
16.0 / 16.0

Subtask #3
29.0 / 29.0

Subtask #4
0.0 / 47.0