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Submission #1014960

# Submission time Handle Problem Language Result Execution time Memory
1014960 2024-07-05T19:30:55 Z ttamx Drivers (BOI24_drivers) C++17
100 / 100
 128 ms 15556 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 344 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 348 KB Output is correct
5 Correct 55 ms 8404 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 484 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 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 3 ms 696 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 5 ms 1112 KB Output is correct
20 Correct 0 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 1112 KB Output is correct
25 Correct 1 ms 348 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 348 KB Output is correct
5 Correct 55 ms 8404 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 844 KB Output is correct
12 Correct 0 ms 464 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 348 KB Output is correct
5 Correct 55 ms 8404 KB Output is correct
6 Correct 0 ms 348 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 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 484 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 348 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 3 ms 696 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 5 ms 1112 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 5 ms 1112 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 3 ms 844 KB Output is correct
37 Correct 0 ms 464 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 348 KB Output is correct
5 Correct 55 ms 8404 KB Output is correct
6 Correct 0 ms 348 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 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 484 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 348 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 3 ms 696 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 5 ms 1112 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 5 ms 1112 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 3 ms 844 KB Output is correct
37 Correct 0 ms 464 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 128 ms 15556 KB Output is correct
42 Correct 9 ms 1504 KB Output is correct
43 Correct 8 ms 1372 KB Output is correct
44 Correct 12 ms 1628 KB Output is correct
45 Correct 13 ms 1760 KB Output is correct
46 Correct 8 ms 1372 KB Output is correct
47 Correct 87 ms 11212 KB Output is correct
48 Correct 14 ms 1936 KB Output is correct
49 Correct 98 ms 14532 KB Output is correct