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Submission #1041380

# Submission time Handle Problem Language Result Execution time Memory
1041380 2024-08-02T01:31:16 Z aaaaaarroz Drivers (BOI24_drivers) C++17
100 / 100
 97 ms 14784 KB 
    #include<bits/stdc++.h>
     
    using namespace std;
     
    const int N=2e5+5;
     
    int n,m,q;
    int p[N];
    vector<tuple<int,int,int>> a;
    vector<tuple<int,int,int,int>> qr;
    bool ans[N];
     
    int fp(int u){
        return p[u]=u==p[u]?u:fp(p[u]);
    }
     
    int main(){
        cin.tie(nullptr)->sync_with_stdio(false);
        cin >> n >> m >> q;
        a.resize(m);
        for(auto &[w,u,v]:a)cin >> u >> v >> w;
        for(int i=0;i<q;i++){
            int u,v,w;
            cin >> u >> v >> w;
            qr.emplace_back(w,u,v,i);
        }
        sort(a.rbegin(),a.rend());
        sort(qr.begin(),qr.end());
        iota(p,p+n+1,0);
        for(auto [w,u,v,i]:qr){
            while(!a.empty()&&get<0>(a.back())<=w){
                auto [w,u,v]=a.back();
                a.pop_back();
                p[fp(u)]=fp(v);
            }
            ans[i]=fp(u)==fp(v);
        }
        for(int i=0;i<q;i++)cout << (ans[i]?"TAIP":"NE") << "\n";
    }

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 47 ms 7240 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 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 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 712 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 5 ms 1204 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 4 ms 1116 KB Output is correct
25 Correct 0 ms 348 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 47 ms 7240 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 592 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 840 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Correct 0 ms 344 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 47 ms 7240 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 2 ms 712 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 5 ms 1204 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 4 ms 1116 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 592 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 2 ms 840 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 468 KB Output is correct
40 Correct 0 ms 344 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 47 ms 7240 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 2 ms 712 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 5 ms 1204 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 4 ms 1116 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 592 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 2 ms 840 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 468 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 97 ms 14784 KB Output is correct
42 Correct 7 ms 1472 KB Output is correct
43 Correct 6 ms 1372 KB Output is correct
44 Correct 15 ms 1756 KB Output is correct
45 Correct 9 ms 1756 KB Output is correct
46 Correct 6 ms 1372 KB Output is correct
47 Correct 73 ms 11236 KB Output is correct
48 Correct 7 ms 1760 KB Output is correct
49 Correct 82 ms 14724 KB Output is correct