oj.uz

Submission #1102993

# Submission time Handle Problem Language Result Execution time Memory
1102993 2024-10-19T10:24:42 Z THXuan Drivers (BOI24_drivers) C++14
55 / 100
 2000 ms 24612 KB 
// subtask 1
#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <set>
#include <map>
#define INF 1e9
using namespace std;
typedef long long ll;

ll link[200005];
ll sz[200005];

ll find(ll x) {
	while (x != link[x]) x = link[x];
	return x;
}

void unite(ll a, ll b) {
	a = find(a);
	b = find(b);
	if (sz[a] < sz[b]) swap(a, b);
	sz[a] += sz[b];
	link[b] = a;
}

void solve()
{
	int n, m, u; cin >> n >> m >> u;
	for (int i = 1; i <= n; i++) {
		link[i] = i; sz[i] = 1;
	}
	vector<pair<ll, pair<int, int>>>edges(m);
	vector<pair<pair<ll, int>, pair<int, int>>>q(u);
	vector<string>ans(u);
	for (int i = 0; i < m; i++) {
		cin >> edges[i].second.first >> edges[i].second.second >> edges[i].first;
	}
	for (int i = 0; i < u; i++) {
		cin >> q[i].second.first >> q[i].second.second >> q[i].first.first; q[i].first.second = i;
	}
	sort(edges.begin(), edges.end());
	sort(q.begin(), q.end());
	int j = 0;
	for (int i = 0; i < u; i++) {
		while (j < m && edges[j].first <= q[i].first.first) {
			unite(edges[j].second.first, edges[j].second.second);
			++j;
		}
		if (find(q[i].second.first) == find(q[i].second.second)) {
			ans[q[i].first.second] = "TAIP";
		}
		else ans[q[i].first.second] = "NE";
	}
	for (int i = 0; i < u; i++) {
		cout << ans[i] << "\n";
	}
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;// cin>>t;
	while (t--) solve();
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 2 ms 2384 KB Output is correct
3 Correct 1 ms 2640 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 427 ms 14216 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2552 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 2 ms 2556 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 1 ms 2600 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2388 KB Output is correct
10 Correct 3 ms 2528 KB Output is correct
11 Correct 4 ms 2644 KB Output is correct
12 Correct 4 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 3 ms 2900 KB Output is correct
15 Correct 1 ms 2556 KB Output is correct
16 Correct 1 ms 2388 KB Output is correct
17 Correct 1 ms 2388 KB Output is correct
18 Correct 1 ms 2388 KB Output is correct
19 Correct 6 ms 3412 KB Output is correct
20 Correct 1 ms 2388 KB Output is correct
21 Correct 1 ms 2388 KB Output is correct
22 Correct 1 ms 2388 KB Output is correct
23 Correct 1 ms 2388 KB Output is correct
24 Correct 5 ms 3412 KB Output is correct
25 Correct 1 ms 2388 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 2 ms 2384 KB Output is correct
3 Correct 1 ms 2640 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 427 ms 14216 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 3 ms 2644 KB Output is correct
9 Correct 3 ms 2644 KB Output is correct
10 Correct 5 ms 2644 KB Output is correct
11 Correct 3 ms 2900 KB Output is correct
12 Correct 1 ms 2388 KB Output is correct
13 Correct 1 ms 2388 KB Output is correct
14 Correct 1 ms 2388 KB Output is correct
15 Correct 1 ms 2388 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 2 ms 2384 KB Output is correct
3 Correct 1 ms 2640 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 427 ms 14216 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2388 KB Output is correct
8 Correct 1 ms 2552 KB Output is correct
9 Correct 1 ms 2388 KB Output is correct
10 Correct 2 ms 2556 KB Output is correct
11 Correct 1 ms 2388 KB Output is correct
12 Correct 1 ms 2600 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2388 KB Output is correct
15 Correct 3 ms 2528 KB Output is correct
16 Correct 4 ms 2644 KB Output is correct
17 Correct 4 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 3 ms 2900 KB Output is correct
20 Correct 1 ms 2556 KB Output is correct
21 Correct 1 ms 2388 KB Output is correct
22 Correct 1 ms 2388 KB Output is correct
23 Correct 1 ms 2388 KB Output is correct
24 Correct 6 ms 3412 KB Output is correct
25 Correct 1 ms 2388 KB Output is correct
26 Correct 1 ms 2388 KB Output is correct
27 Correct 1 ms 2388 KB Output is correct
28 Correct 1 ms 2388 KB Output is correct
29 Correct 5 ms 3412 KB Output is correct
30 Correct 1 ms 2388 KB Output is correct
31 Correct 1 ms 2384 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 3 ms 2644 KB Output is correct
34 Correct 3 ms 2644 KB Output is correct
35 Correct 5 ms 2644 KB Output is correct
36 Correct 3 ms 2900 KB Output is correct
37 Correct 1 ms 2388 KB Output is correct
38 Correct 1 ms 2388 KB Output is correct
39 Correct 1 ms 2388 KB Output is correct
40 Correct 1 ms 2388 KB Output is correct

Subtask #5
0.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 2 ms 2384 KB Output is correct
3 Correct 1 ms 2640 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 427 ms 14216 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2388 KB Output is correct
8 Correct 1 ms 2552 KB Output is correct
9 Correct 1 ms 2388 KB Output is correct
10 Correct 2 ms 2556 KB Output is correct
11 Correct 1 ms 2388 KB Output is correct
12 Correct 1 ms 2600 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2388 KB Output is correct
15 Correct 3 ms 2528 KB Output is correct
16 Correct 4 ms 2644 KB Output is correct
17 Correct 4 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 3 ms 2900 KB Output is correct
20 Correct 1 ms 2556 KB Output is correct
21 Correct 1 ms 2388 KB Output is correct
22 Correct 1 ms 2388 KB Output is correct
23 Correct 1 ms 2388 KB Output is correct
24 Correct 6 ms 3412 KB Output is correct
25 Correct 1 ms 2388 KB Output is correct
26 Correct 1 ms 2388 KB Output is correct
27 Correct 1 ms 2388 KB Output is correct
28 Correct 1 ms 2388 KB Output is correct
29 Correct 5 ms 3412 KB Output is correct
30 Correct 1 ms 2388 KB Output is correct
31 Correct 1 ms 2384 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 3 ms 2644 KB Output is correct
34 Correct 3 ms 2644 KB Output is correct
35 Correct 5 ms 2644 KB Output is correct
36 Correct 3 ms 2900 KB Output is correct
37 Correct 1 ms 2388 KB Output is correct
38 Correct 1 ms 2388 KB Output is correct
39 Correct 1 ms 2388 KB Output is correct
40 Correct 1 ms 2388 KB Output is correct
41 Execution timed out 2032 ms 24612 KB Time limit exceeded
42 Halted 0 ms 0 KB -