답안 #1112288

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1112288	2024-11-14T02:47:56 Z	Zero_OP	Construction Project 2 (JOI24_ho_t2)	C++14	53 / 100	2000 ms	26772 KB

Main

#include <bits/stdc++.h>

using namespace std;

#define int long long

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());

    long long cnt = 0;
    for(int i = 0; i < N; ++i){
        cnt += upper_bound(vS.begin(), vS.end(), K - L - dT[i]) - vS.begin();
    }

    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:34:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   34 |             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	504 KB	Output is correct
5	Correct	2 ms	592 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	60 ms	22356 KB	Output is correct
8	Correct	79 ms	22364 KB	Output is correct
9	Correct	71 ms	21352 KB	Output is correct
10	Correct	1 ms	504 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	70 ms	18784 KB	Output is correct
15	Correct	144 ms	23988 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	2 ms	592 KB	Output is correct
18	Correct	69 ms	22960 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	764 KB	Output is correct
22	Correct	2 ms	760 KB	Output is correct
23	Correct	47 ms	18784 KB	Output is correct
24	Correct	162 ms	23780 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	592 KB	Output is correct
27	Correct	85 ms	26772 KB	Output is correct
28	Correct	57 ms	16552 KB	Output is correct
29	Correct	58 ms	19120 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	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	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	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	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	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	1 ms	592 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	1 ms	592 KB	Output is correct
42	Correct	2 ms	592 KB	Output is correct
43	Correct	2 ms	592 KB	Output is correct
44	Correct	2 ms	592 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	592 KB	Output is correct
50	Correct	1 ms	592 KB	Output is correct
51	Correct	2 ms	592 KB	Output is correct
52	Correct	2 ms	592 KB	Output is correct
53	Correct	2 ms	592 KB	Output is correct
54	Correct	3 ms	736 KB	Output is correct
55	Correct	4 ms	592 KB	Output is correct
56	Correct	4 ms	760 KB	Output is correct
57	Correct	2 ms	764 KB	Output is correct
58	Correct	2 ms	760 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	504 KB	Output is correct
5	Correct	2 ms	592 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	60 ms	22356 KB	Output is correct
8	Correct	79 ms	22364 KB	Output is correct
9	Correct	71 ms	21352 KB	Output is correct
10	Correct	1 ms	504 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	70 ms	18784 KB	Output is correct
15	Correct	144 ms	23988 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	2 ms	592 KB	Output is correct
18	Correct	69 ms	22960 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	764 KB	Output is correct
22	Correct	2 ms	760 KB	Output is correct
23	Correct	47 ms	18784 KB	Output is correct
24	Correct	162 ms	23780 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	592 KB	Output is correct
27	Correct	85 ms	26772 KB	Output is correct
28	Correct	57 ms	16552 KB	Output is correct
29	Correct	58 ms	19120 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	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	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	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	1 ms	592 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	1 ms	592 KB	Output is correct
71	Correct	2 ms	592 KB	Output is correct
72	Correct	2 ms	592 KB	Output is correct
73	Correct	2 ms	592 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	592 KB	Output is correct
79	Correct	1 ms	592 KB	Output is correct
80	Correct	2 ms	592 KB	Output is correct
81	Correct	2 ms	592 KB	Output is correct
82	Correct	2 ms	592 KB	Output is correct
83	Correct	3 ms	736 KB	Output is correct
84	Correct	4 ms	592 KB	Output is correct
85	Correct	4 ms	760 KB	Output is correct
86	Correct	2 ms	764 KB	Output is correct
87	Correct	2 ms	760 KB	Output is correct
88	Correct	90 ms	18980 KB	Output is correct
89	Correct	86 ms	18920 KB	Output is correct
90	Correct	83 ms	24608 KB	Output is correct
91	Correct	51 ms	10832 KB	Output is correct
92	Correct	46 ms	11040 KB	Output is correct
93	Correct	45 ms	18796 KB	Output is correct
94	Correct	52 ms	18872 KB	Output is correct
95	Correct	194 ms	24096 KB	Output is correct
96	Correct	143 ms	20168 KB	Output is correct
97	Correct	154 ms	23836 KB	Output is correct
98	Correct	137 ms	23916 KB	Output is correct
99	Correct	71 ms	22920 KB	Output is correct
100	Correct	74 ms	22792 KB	Output is correct
101	Correct	42 ms	10828 KB	Output is correct
102	Correct	45 ms	11036 KB	Output is correct
103	Correct	47 ms	18784 KB	Output is correct
104	Correct	54 ms	18796 KB	Output is correct
105	Correct	197 ms	24096 KB	Output is correct
106	Correct	163 ms	24104 KB	Output is correct
107	Correct	170 ms	25728 KB	Output is correct
108	Correct	159 ms	25868 KB	Output is correct
109	Execution timed out	2066 ms	16424 KB	Time limit exceeded
110	Halted	0 ms	0 KB	-

답안 #1112288

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