oj.uz

Submission #1112288

# Submission time Handle Problem Language Result Execution time Memory
1112288 2024-11-14T02:47:56 Z Zero_OP Construction Project 2 (JOI24_ho_t2) C++14
53 / 100
 2000 ms 26772 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -